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951
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GT3A
Timers
1705151136
Timers
Switches & Pilot Lights Signaling Lights Relays & Sockets Timers Contactors Terminal Blocks Circuit Breakers
951
GT3A Series — Analog Timers
Key features:
• 4 selectable operation modes on each model
• External start, reset, and gate inputs
• Panel mount or socket mount
• Large variety of timing functions
• Power and output status indicating LEDs
UL, c-UL Listed
File No. E55996
Specications
GT3A-1 GT3A-2 GT3A-3 GT3A-4,-5,-6
Operation Multi-mode Multi-mode with inputs (11 pins)
Time Range 0.1s to 180 hours
Rated Voltage
100 to 240V AC, 50/60Hz
12V DC
24V AC, 50/60Hz / 24V DC
Contact Ratings 125V AC/250V AC, 3A;
30V DC, 1A (resistive load)
125V AC/250V AC, 5A;
30V DC, 5A (resistive load)
Minimum Applicable Load 5V, 10mA (reference value)
Voltage Tolerance
AF20 (100V AC): 85 to 264V AC
AD24: 20.4 to 26.4V AC/21.6 to 26.4V DC
D12: 10.8 to 13.2V DC
Error ±0.2%, ±10 msec (repeat, voltage, temperature)
Setting Error ±10% maximum
Reset Time 60msec maximum
Insulation Resistance 100MW minimum
Dielectric Strength
Between power and output terminals: 2,000V AC, 1 minute
Between contacts of different poles: 2,000V AC, 1 minute
Between contacts of the same pole: 750V AC, 1 minute
Power Consumption
(approximate)
Delayed SPDT Delayed SPDT +
instantaneous SPDT Delayed DPDT Delayed DPDT
10.8VA
(200V AC, 60Hz)
13.5VA
(200V AC, 60Hz)
14.4VA
(200V AC, 60Hz)
4.7VA (100V AC, 60Hz),
14.4VA (200V AC, 60Hz)
—
12VDC/1W
24VDC/0.7W
24VAC/1.2VA
12VDC/1.1W
24VDC/0.6W
24VAC/1.3VA
12VDC/0.8W
24VDC/0.6W
24VAC/1.3VA
Mechanical Life 10,000,000 operations minimum 5,000,000 operations minimum
Electrical LIfe 50,000 operations minimum (rated load) 100,000 operations minimum (rated load)
Weight (approximate) 63g 73g 79g 80g
Vibration Resistance 100m/sec2 (approximate 10G)
Shock Resistance Operating extremes: 100m/sec2 (approximate 10G)
Damage limits: 500m/sec2 (approximate 50G)
Operating Temperature –10 to +50°C
Operating Humidity 45 to 85% RH
Storage Temperature –30 to +80°C
Housing Color Gray
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Part Numbers
GT3A-1, -2, -3
Mode Of
Operation Rated Voltage Code Time Range Output Contact Complete Part No.
8-Pin 11-Pin
A: ON-delay 1
B: Interval 1
C: Cycle 1
D: Cycle 3
AF20: 100 to 240V AC (50/60Hz)
0.1 seconds
to 180 hours
250V AC, 3A,
30V DC, 1A
(resistive load)
Delayed SPDT GT3A-1AF20 GT3A-1EAF20
AF20: 100 to 240V AC (50/60Hz)
D12: 12V DC
AD24: 24V AC (50/60Hz)/24V DC
Delayed SPDT +
Instantaneous SPDT
GT3A-2AF20 GT3A-2EAF20
GT3A-2D12 GT3A-2ED12
GT3A-2AD24 GT3A-2EAD24
240V AC, 5A,
24V DC, 5A
(resistive load)
Delayed DPDT
GT3A-3AF20 GT3A-3EAF20
GT3A-3D12 GT3A-3ED12
GT3A-3AD24 GT3A-3EAD24
1. For wiring schematics and timing diagrams for GT3A-1, -2, -3, see pages page 940 and page 941 respectively.
2. For more details about time ranges, see instructions on page page 940.
3. For socket and accessory part numbers, see page 958.
GT3A-4, -5, -6
Mode of
Operation Rated Voltage Code Time Range Output Contact Input Complete Part No.
A (11-pin) B (11-pin)
A: ON-Delay 2
B: Cycle 2
C: Signal ON/OFF-Delay 1
D: Signal OFF-Delay 1
AF20: 100 to 240V AC (50/60Hz)
D12: 12V DC
AD24: 24V AC (50/60Hz)/24V DC
0.1 seconds
to 180 hours
250V AC, 5A,
24V DC, 5A
(resistive load)
Delayed
DPDT
Start
Reset
Gate
GT3A-4AF20 GT3A-4EAF20
GT3A-4D12 GT3A-4ED12
GT3A-4AD24 GT3A-4EAD24
A: Interval 2
B: One-Shot Cycle
C: Signal ON/OFF-Delay 2
D: Signal OFF-Delay 2 AF20: 100 to 240V AC (50/60Hz)
AD24: 24V AC (50/60Hz)/24V DC
GT3A-5AF20 GT3A-5EAF20
GT3A-5AD24 GT3A-5EAD24
A: One-Shot
B: One-Shot ON-Delay
C: One-Shot 2
D: Signal ON/OFF-Delay 3
GT3A-6AF20 GT3A-6EAF20
GT3A-6AD24 GT3A-6EAD24
4. For wiring schematics and timing diagrams GT3A-4,-5,-6, see pages 940, 941, and 941 respectively.
5. For more details about time ranges, see instructions on page 940.
6. A (11-pin) and B (11-pin) differ in the way inputs are wired.
7. For socket and accessory part numbers, see page 958.
8. For the timing diagrams overview, see page 940.
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GT3A
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Timing Diagrams/Schematics
GT3A-1 Timing Diagrams
Delayed SPDT
Operation
Mode
Selection
ON-Delay 1
A
MODE
Item Terminal Number Operation
Set Time T
Power 2 - 7 (8p)
2 - 10 (11p)
Delayed
Contact
5 - 8 (8p)
8 - 11 (11p) (NC)
6 - 8 (8p)
9 - 11 (11p) (NO)
Indicator
POWER
OUT
Interval 1
B
MODE
Item Terminal Number Operation
Set Time T
Power 2 - 7 (8p)
2 - 10 (11p)
Delayed
Contact
5 - 8 (8p)
8 - 11 (11p) (NC)
6 - 8 (8p)
9 - 11 (11p) (NO)
Indicator
POWER
OUT
Cycle 1
(OFF rst)
C
MODE
Item Terminal Number Operation
Set Time T T
Power 2 - 7 (8p)
2 - 10 (11p)
Delayed
Contact
5 - 8 (8p)
8 - 11 (11p) (NC)
6 - 8 (8p)
9 - 11 (11p) (NO)
Indicator
POWER
OUT
Cycle 3
(ON rst)
D
MODE
Item Terminal Number Operation
Set Time T T
Power 2 - 7 (8p)
2 - 10 (11p)
Delayed
Contact
5 - 8 (8p)
8 - 11 (11p) (NC)
6 - 8 (8p)
9 - 11 (11p) (NO)
Indicator
POWER
OUT
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GT3A-2 Timing Diagrams
Delayed SPDT + Instantaneous SPDT
Operation
Mode
Selection
ON-Delay 1
A
MODE
Item Terminal Number Operation
Set Time T
Power 2 - 7 (8p)
2 - 10 (11p)
Delayed
Contact
5 - 8 (8p)
8 - 11 (11p) (NC)
6 - 8 (8p)
9 - 11 (11p) (NO)
Instantaneous
Contact
1 - 4 (NC)
1 - 3 (NO)
Indicator
POWER
OUT
Interval 1
B
MODE
Item Terminal Number Operation
Set Time T
Power 2 - 7 (8p)
2 - 10 (11p)
Delayed
Contact
5 - 8 (8p)
8 - 11 (11p) (NC)
6 - 8 (8p)
9 - 11 (11p) (NO)
Instantaneous
Contact
1 - 4 (NC)
1 - 3 (NO)
Indicator
POWER
OUT
Cycle 1
(OFF rst)
C
MODE
Item Terminal Number Operation
Set Time T T
Power 2 - 7 (8p)
2 - 10 (11p)
Delayed
Contact
5 - 8 (8p)
8 - 11 (11p) (NC)
6 - 8 (8p)
9 - 11 (11p) (NO)
Instantaneous
Contact
1 - 4 (NC)
1 - 3 (NO)
Indicator
POWER
OUT
Cycle 3
(ON rst)
D
MODE
Item Terminal Number Operation
Set Time T T
Power 2 - 7 (8p)
2 - 10 (11p)
Delayed
Contact
5 - 8 (8p)
8 - 11 (11p) (NC)
6 - 8 (8p)
9 - 11 (11p) (NO)
Instantaneous
Contact
1 - 4 (NC)
1 - 3 (NO)
Indicator
POWER
OUT
GT3A-3 Timing Diagrams
Delayed DPDT
Operation
Mode
Selection
ON-Delay 1
A
MODE
Item Terminal Number Operation
Set Time T
Power 2 - 7 (8p)
2 - 10 (11p)
Delayed
Contact
1 -4, 5 - 8 (8p)
1 -4, 8 - 11 (11p) (NC)
1 -3, 6 - 8 (8p)
1 -3, 9 - 11 (11p) (NO)
Indicator
POWER
OUT
Interval 1
B
MODE
Item Terminal Number Operation
Set Time T
Power 2 - 7 (8p)
2 - 10 (11p)
Delayed
Contact
1 -4, 5 - 8 (8p)
1 -4, 8 - 11 (11p) (NC)
1 -3, 6 - 8 (8p)
1 -3, 9 - 11 (11p) (NO)
Indicator
POWER
OUT
Cycle 1
(OFF rst)
C
MODE
Item Terminal Number Operation
Set Time T T
Power 2 - 7 (8p)
2 - 10 (11p)
Delayed
Contact
1 -4, 5 - 8 (8p)
1 -4, 8 - 11 (11p) (NC)
1 -3, 6 - 8 (8p)
1 -3, 9 - 11 (11p) (NO)
Indicator
POWER
OUT
Cycle 3
(ON rst)
D
MODE
Item Terminal Number Operation
Set Time T T
Power 2 - 7 (8p)
2 - 10 (11p)
Delayed
Contact
1 -4, 5 - 8 (8p)
1 -4, 8 - 11 (11p) (NC)
1 -3, 6 - 8 (8p)
1 -3, 9 - 11 (11p) (NO)
Indicator
POWER
OUT
Note: Pins 1, 3, and 4 are the instantaneous contacts.
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GT3A-4 Timing Diagrams
Delayed DPDT
Operation
Mode Selection
ON-Delay 2
A
MODE
Item Terminal Number Operation
Power 2 - 10 POWER
Input
Start 2 - 6 (A)
5 - 7 (B) ON or L
Reset 2 - 7 (A)
6 - 7 (B) ON or L
Gate 2 - 5 (A) ON or L
Delayed
Contact
1 - 4
8 - 11 (NC)
1 - 3
9 - 11 (NO)
Indicator
POWER
OUT
Set Time TTa T' T"
Cycle 2
B
MODE
Item Terminal Number Operation
Power 2 - 10 POWER
Input
Start 2 - 6 (A)
5 - 7 (B) ON or L
Reset 2 - 7 (A)
6 - 7 (B) ON or L
Gate 2 - 5 (A) ON or L
Delayed
Contact
1 - 4
8 - 11 (NC)
1 - 3
9 - 11 (NO)
Indicator
POWER
OUT
Set Time TTTTTTTTa T T T T" T" T T T T T
Signal ON/OFF-Delay 1
C
MODE
Item Terminal Number Operation
Power 2 - 10 POWER
Input
Start 2 - 6 (A)
5 - 7 (B) ON or L
Reset 2 - 7 (A)
6 - 7 (B) ON or L
Gate 2 - 5 (A) ON or L
Delayed
Contact
1 - 4
8 - 11 (NC)
1 - 3
9 - 11 (NO)
Indicator
POWER
OUT
Set Time T T Ta TTa T T T T" Ta
Signal OFF-Delay 1
D
MODE
Item Terminal Number Operation
Power 2 - 10 POWER
Input
Start 2 - 6 (A)
5 - 7 (B) ON or L
Reset 2 - 7 (A)
6 - 7 (B) ON or L
Gate 2 - 5 (A) ON or L
Delayed
Contact
1 - 4
8 - 11 (NC)
1 - 3
9 - 11 (NO)
Indicator
POWER
OUT
Set Time TTa Ta T T T
T = Set time Ta = Shorter than set time
T = T' + T"
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GT3A-5 Timing Diagrams
Delayed DPDT
Operation
Mode Selection
Interval 2
A
MODE
Item Terminal Number Operation
Power 2 - 10 POWER
Input
Start 2 - 6 (A)
5 - 7 (B) ON or L
Reset 2 - 7 (A)
6 - 7 (B) ON or L
Gate 2 - 5 (A) ON or L
Delayed
Contact
1 - 4
8 - 11 (NC)
1 - 3
9 - 11 (NO)
Indicator
POWER
OUT
Set Time TTa T' T"
One-Shot Cycle
B
MODE
Item Terminal Number Operation
Power 2 - 10 POWER
Input
Start 2 - 6 (A)
5 - 7 (B) ON or L
Reset 2 - 7 (A)
6 - 7 (B) ON or L
Gate 2 - 5 (A) ON or L
Delayed
Contact
1 - 4
8 - 11 (NC)
1 - 3
9 - 11 (NO)
Indicator
POWER
OUT
Set Time T T T Ta T' T" T
Signal ON/OFF-Delay 2
C
MODE
Item Terminal Number Operation
Power 2 - 10 POWER
Input
Start 2 - 6 (A)
5 - 7 (B) ON or L
Reset 2 - 7 (A)
6 - 7 (B) ON or L
Gate 2 - 5 (A) ON or L
Delayed
Contact
1 - 4
8 - 11 (NC)
1 - 3
9 - 11 (NO)
Indicator
POWER
OUT
Set Time T T Ta TTa Ta T T' T" Ta
Signal OFF-Delay 2
D
MODE
Item Terminal Number Operation
Power 2 - 10 POWER
Input
Start 2 - 6 (A)
5 - 7 (B) ON or L
Reset 2 - 7 (A)
6 - 7 (B) ON or L
Gate 2 - 5 (A) ON or L
Delayed
Contact
1 - 4
8 - 11 (NC)
1 - 3
9 - 11 (NO)
Indicator
POWER
OUT
Set Time TTa Ta T T' T"
T = Set time Ta = Shorter than set time
T = T' + T"
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GT3A-6 Timing Diagrams
Delayed DPDT
Operation
Mode Selection
One-Shot 1
A
MODE
Item Terminal Number Operation
Power 2 - 10 POWER
Input
Start 2 - 6 (A)
5 - 7 (B) ON or L
Reset 2 - 7 (A)
6 - 7 (B) ON or L
Gate 2 - 5 (A) ON or L
Delayed
Contact
1 - 4
8 - 11 (NC)
1 - 3
9 - 11 (NO)
Indicator
POWER
OUT
Set Time Ta Ta TTa T' T"
One-Shot ON-Delay
B
MODE
Item Terminal Number Operation
Power 2 - 10 POWER
Input
Start 2 - 6 (A)
5 - 7 (B) ON or L
Reset 2 - 7 (A)
6 - 7 (B) ON or L
Gate 2 - 5 (A) ON or L
Delayed
Contact
1 - 4
8 - 11 (NC)
1 - 3
9 - 11 (NO)
Indicator
POWER
OUT
Set Time T T Ta T T T' T"
One-Shot 2
C
MODE
Item Terminal Number Operation
Power 2 - 10 POWER
Input
Start 2 - 6 (A)
5 - 7 (B) ON or L
Reset 2 - 7 (A)
6 - 7 (B) ON or L
Gate 2 - 5 (A) ON or L
Delayed
Contact
1 - 4
8 - 11 (NC)
1 - 3
9 - 11 (NO)
Indicator
POWER
OUT
Set Time TTa T T' T"
Signal ON/OFF-Delay 3
D
MODE
Item Terminal Number Operation
Power 2 - 10 POWER
Input
Start 2 - 6 (A)
5 - 7 (B) ON or L
Reset 2 - 7 (A)
6 - 7 (B) ON or L
Gate 2 - 5 (A) ON or L
Delayed
Contact
1 - 4
8 - 11 (NC)
1 - 3
9 - 11 (NO)
Indicator
POWER
OUT
Set Time T T Ta T' T" Ta Ta T
T = Set time Ta = Shorter than set time
T = T' + T"
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Instructions: Setting GT3A Series Timers
Timed OUT Indicator
j Operator Mode Selector
A, B, C, D
POWER Indicator (ashes
during time-delay period)
m Setting Knob
l Time Range Selector
1S, 10S, 10M, 10H
k Dial Selector
0-1, 0-3, 0-6, 0-18
Step 1. Desired Mode of Operation Selection Remarks
Select the desired mode
of operation.
For Timers Mode of Operation j Operation Mode Selector
The desired operation mode can be selected from
the A, B, C, and D modes using the Operation Mode
Selector. Change the operation mode from A to B, C,
and D in turn by turning the operation mode selector
clockwise using a at screwdriver which is a maximum
of 0.156” (4mm) wide. The selected mode is displayed
in the window.
GT3A-1
GT3A-2
GT3A-3
ON-delay 1 A
Interval 1 B
Cycle 1 C
Cycle 3 D
GT3A-4
ON-delay 2 A
Cycle 2 B
Signal ON/OFF-delay 1 C
Signal OFF-delay 1 D
GT3A-5
Interval 2 A
One-shot cycle B
Signal ON/OFF-delay 2 C
Signal OFF-delay 2 D
GT3A-6
One-shot 1 A
One-shot ON-delay B
One-shot 2 C
Signal ON/OFF-delay 3 D
Step 2. Desired Time Range Selection Remarks
Select the time range
that contains the desired
time period.
Time Ranges k Dial Selector l Time Range Selector
The desired time range is selected by setting both
k Dial Selector and
l Time Range Selector.
0.1 seconds to 1 second 0-1
1S
0.1 seconds to 3 seconds 0-3
0.1 seconds to 6 seconds 0-6
0.15 seconds to 18 seconds 0-18
0.1 seconds to 10 seconds 0-1
10S
0.3 seconds to 30 seconds 0-3
0.6 seconds to 60 seconds 0-6
1.8 seconds to 180 seconds 0-18
6 seconds to 10 minutes 0-1
10M
18 seconds to 30 minutes 0-3
36 seconds to 60 minutes 0-6
108 seconds to 180 minutes 0-18
6 minutes to 10 hours 0-1
10H
18 minutes to 30 hours 0-3
36 minutes to 60 hours 0-6
108 minutes to 180 hours 0-18
Step 3. Selection
Set the precise period of time desired by using the m Setting Knob.
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GT3F
Timers
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GT3F Series — True Power OFF Delay Timers
Key features:
• “True” power OFF-delay up to 10 minutes
• No external control switch necessary
• Available with reset inputs
• Mountable in sockets or ush panel
UL, c-UL Listed
File No. E55996
Specications
GT3F-1 GT3F-2
Operation True power OFF-delay
Time Range 0.1 seconds to 600 seconds
Rated Voltage 100 to 240V AC, 50/60Hz
24V AC/DC
Contact Rating 250V AC/24V DC, 5A
(resistive load)
250V AC/24V DC, 3A
(resistive load)
Contact Form SPDT DPDT
Minimum Power Application Time 1 second
Voltage Tolerance AF20: 100 to 240V AC
AD24: 21.6 to 26.4VDC, 20.4 to 26.4VAC
Repeat Error ±0.2%, ±10 msec
Voltage Error ±0.2%, ±10 msec
Temperature Error ±0.2%, ±10 msec
Setting Error ±10% maximum
Insulation Resistance 100MW minimum
Dielectric Strength
Between power and output terminals:
2,000V AC, 1 minute (SPDT)
1,500V AC, 1 minute (DPDT)
Between contacts on different poles:
1,000V AC, 1 minute (DPDT)
Between contacts of the same pole:
750V AC, 1 minute
Power Consumption AF20: 3.7VA (200V AC, 60Hz)
AD24: 0.8W (DC), 1.2VA (AC)
Mechanical Life 3,000,000 operations minimum
Electrical Life 100,000 operations minimum
Vibration Resistance 100m/sec2 (approximate 10G)
Shock Resistance
Operating extremes:
100 m/sec2 (approximate 10G)
Damage limits: 500 m/sec2 (approximate 50G)
Operating Temperature –10 to +50°C
Storage Temperature –30 to +80°C
Operating Humidity 45 to 85% RH
Weight (approximate) 77g 79g
1. An inrush current ows during the minimum power application time. AF20: approximate 0.4A,
AD24: approximate 1.2A
2. GT3F does not read the preset time range shown on the knob after power is turned off. Note that minimizing
the preset time, by turning the knob to zero, does not shorten the delay time after power is removed.
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Part Numbering List
GT3F
Mode of
Operation
Rated
Voltage Code Time Range Output Contact Optional Input Complete Part Number
8-Pin 11-Pin
True-Power
OFF-delay
AF20: 100 to
240VAC (50/60Hz) 0.1 seconds to
600 seconds
250V AC, 5A, Delayed SPDT Reset GT3F-1AF20 GT3F-1EAF20
30V DC, 5A (resistive load) GT3F-1AD24 GT3F-1EAD24
AD24: 24V AC/DC 250V AC, 3A, Delayed DPDT None (8p)
Reset (11p)
GT3F-2AF20 GT3F-2EAF20
30V DC, 3A (resistive load) GT3F-2AD24 GT3F-2EAD24
Optional reset input resets the contact to the OFF state before time out.
Timing Diagrams/Schematics
GT3F-1 Timing Diagrams
GT3F-1 (8-pin) GT3F-1E (11-pin)
Delayed SPDT Output, with Reset Input
Item Terminal Number Operation
Power 2 - 7 (8p)
2 - 10 (11p)
Reset
Input
1 - 4 (8p)
6 - 7 (11p) ON or L
Delayed
Contact
5 - 8 (8p)
1 - 4 (11p) (NC)
6 - 8 (8p)
1 - 3 (11p) (NO)
Indicator POWER
Set Time Tr TTa Ts T
T = Set time
Ta = Shorter than set time
Ts = 1 Second
Tr = Minimum Power Application Time
GT3F-1: 1 Second
1. For time ranges, see page page 941.
2. For sockets and accessory part numbers, see page page 967.
3. When power is applied, the NO output contact closes. When power is removed, the timing period
begins. When time has elapsed, the NO contact opens.
4. For the timing diagram overview, see page page 940.
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GT3F
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GT3F-2 Timing Diagrams
GT3F-2 (8-pin) GT3F-2E (11-pin)
Delayed DPDT Output
(+)(-)
(Contact Input)
POWER
(+)(-)
(Transistor Input)
POWER
(+)(-)
POWER
8-Pin Type
Item Terminal Number Operation
Power 2 - 7
Delayed
Contact
1 - 4
5 - 8 (NC)
1 - 3
6 - 8 (NO)
Indicator POWER
Set Time TTr T
11-Pin Type
Item Terminal Number Operation
Power 2 - 10
Reset
Input 6 - 7 (11p) ON or L
Delayed
Contact
1 - 4
8 - 11 (NC)
1 - 3
9 - 11 (NO)
Indicator POWER
Set Time Tr TTa Ts T
When power is applied, the NO contact closes. When power is removed, the timing period begins. When time has elapsed, the NO contact opens. Optional reset
input will return contacts to original state before time elapses.
T = Set time
Ta = Shorter than set time
Ts = 1 Second
Tr = Minimum Power Application Time
GT3F-1: 1 Second
Item Terminal Number Operation
Power 2 - 10
Reset
Input 6 - 7 (11p) ON or L
Delayed
Contact
1 - 4
8 - 11 (NC)
1 - 3
9 - 11 (NO)
Indicator POWER
Set Time Tr TTa Ts T
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Instructions: Setting GT3F Series Timers
POWER Indicator
l Setting Knob
k Time Range Selector
1S, 10S
j Dial Selector
0-1, 0-3, 0-6, 0-18, 0-60
Step 1 Desired Operation Selection Remarks
Select a time
range that
contains the
desired period
of time.
Base Time Ranges j Dial Selector k Time Range
Selector
Time range can be selected from 1S and 10S using a at screwdriver and ve different
dials of 0 to 1, 0 to 3, 0 to 6, 0 to 18, and 0 to 60 are displayed in the six windows by
turning the Dial Selector, allowing for selecting the best suited scale. Note that the
switch does not turn innitely.
0.1s to 1s 0 to 1
1s0.1s to 3s 0 to 3
0.1s to 6s 0 to 6
0.1s to 10s 0 to 1
10s
0.3s to 30 0 to 3
0.6s to 60 0 to 6
1.8s to 180s 0 to 18
6s to 600s 0 to 60
Step 2 Remarks
The set time is selected by turning the l Setting Knob.
Setting Examples:
1. When the Setting Knob l is set at 2.5, with Dial Selector j 0 to 3 and Time Range
Selector k 1S selected, then the set time is 2.5 seconds.
2. When the Setting Knob l is set at 5.0, with Dial Selector j 0 to 60 and Time Range
Selector k 10S selected, then the set time is 500 seconds.
Instructions: Wiring Inputs
Inputs of GT3F
To avoid electric shock, do not touch the input signal terminal during power voltage application. Never apply the input signals to two or more GT3F timers using the
same contact or transistor.
Input
Contact or T
ransistor
GT3 Series
Timer
Input
Terminal
Input
Terminal
Power
10
10
2
2
[Incorrect]
Power
10
10
2
2
Input
Terminal
Input
Terminal
[correct]
In a transistor circuit for controlling input signals, with its primary and secondary power circuits isolated, do not ground the secondary circuit.
GT3 Series
Timer
Input
Terminal
Power
Rectier
Circuit
Circuit
Insulating Transformer
On the GT3F timers, connect the input signals to terminal No.1 and 4 only on the 8-pin type; connect the input signals to terminal No. 6 and 7 only on the 11-pin type.
Never apply voltage to other terminals; otherwise, the internal circuit may be damaged. Input signal lines must be made as short as possible and installed away from
power cables and power lines. Use shielded wires or a separate conduit for input wiring. The GT3F, consisting of a high-impedance circuit, may not be reset due to
the inuence of an inductive voltage or residual voltage caused by a leakage current. If not reset, connect an RC lter or bleeder resistor between power terminals so
that the voltage between power terminals can be reduced to less than 15% of the rated voltage.
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GT3W
Timers
1705151136
GT3W Series — Dual Time Range Timers
Key features:
• Sequential start, sequential interval, on-delay, recycler,
and interval ON timing functions
• 2 time settings in one timer
• 8 selectable operation modes on each model
• Mountable in sockets or ush panel
• Power and output status indicating LEDs
• Time ranges up to 300 hours
UL, c-UL Listed
File No. E55996
General Specications Contact Ratings
Operation System Solid state CMOS Circuit Allowable Contact Power 960VA/120W
Allowable Voltage 250V AC/150V DC
Allowable Current 5A
Maximum permissible
operating frequency 1800 cycles per hour
Rated Load
1/8HP, 240V AC
3A, 240V AC (Resistive)
5A, 120V AC/30V DC
(Resistive)
Conditional Short Circuit Fuse 5A, 250V
Life Electrical 100,000 op. minimum
(Resistive)
Mechanical 20,000,000 op. minimum
Operation Type Multi-Mode
Time Range 1: 0.1sec to 6 hours, 3: 0.1sec to 300 hours
Pollution Degree 2 (IE60664-1)
Over Voltage Category III (IE60664-1)
Rated Operational Voltage
AF20 100-240V AC(50/60Hz)
AD24 24V AC(50/60Hz)/24V DC
D12 12V DC
Voltage Tolerance
AF20 85-264V AC(50/60Hz)
AD24 20.4-26.4V AC(50/60Hz)/21.6-26.4V DC
D12 10.8-13.2V DC
Disengaging Value of Input Voltage Rated Voltage x10% minimum
Range of Ambient Operating Temperature -10 to +50ºC (without freezing)
Range of Ambient Storage
and Transport Temperature -30 to +75ºC (without freezing)
Range of Relative Humidity 35 to 85%RH (without condensation)
Atmospheric Pressure 80kPa to 110kPa (Operating), 70kPa to 110kPa (Transport)
Reset Time 60msec maximum
Repeat Error ±0.2%, ±10msec*
Voltage Error ±0.2%, ±10msec*
Temperature Error ±0.6%, ±10msec*
Setting Error ±10% maximum
Insulation Resistance 100MΩ minimum (500V DC)
Dielectric Strength
Between power and output terminals: 2000V AC, 1 minute
Between contacts of different poles: 2000V AC, 1 minute
Between contacts of the same pole:750V AC, 1 minute
Vibration Resistance 10 to 55Hz amplitude 0.75mm2 hours in each of 3 axes
Shock Resistance
Operating extremes: 98m/sec2 (approx.10G)
Damage limits: 490m/sec2 (approx. 50G)
3 times in each of 3 axes
Degree of Protection IP40 (enclosure), IP20 (socket) (IEC60529)
Power Consumption
(Approx.)
AF20 100V AC/60Hz 2.3VA
200V AC/60Hz 4.6VA
AD24 (AC/DC) 1.8VA/0.9W
Mounting Position Free
Dimensions 40Hx 36W x 70 mm
Weight (Approx.) 72g
* For the value of the error against a preset time, whichever the largest applies.
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Part Number List
Part Numbers
Mode of Operation Output Contact Time Range* Rated Voltage Pin Conguration New Part Numbers
A: Sequential Start
B: On-delay with course and ne
C: Recycler and instaneous
D: Recycler outputs (OFF Start)
E: Recycler outputs (ON Start)
F: Interval ON
G: Interval ON Delay
H: Sequential
Interval
3A, 240V AC
5A, 120V AC/30V DC
(Resistive Load)
Delayed
SPDT
+
Delayed
SPDT
1: 0.1sec - 6 hours
*(See Time Range
Settings for details.)
100 to 240V AC
(50/60Hz)
8 pin GT3W-A11AF20N
11 pin GT3W-A11EAF20N
24V AC/DC
8 pin GT3W-A11AD24N
11 pin GT3W-A11EAD24N
12V DC
8 pin GT3W-A11D12N
11 pin GT3W-A11ED12N
3: 0.1sec - 300 hours
100 to 240V AC
(50/60Hz) 8 pin
GT3W-A33AF20N
24V AC/DC GT3W-A33AD24N
1. For timing diagrams and schematics, see page 940.
2. For socket and accessory part number information, see page 959.
3. 8- and 11-pin models differ only in the number of pins (extra pins are not used).
4. For the timing diagram overview, see page 940.
5. *For details on setting time ranges, see the instructions on page 941.
Time Range Table
Time Range Code: 1 Time Range Code: 3
Time Range
Selector Scale Time Range Time Range
Selector Scale Time Range
1S
0-1
0.1 sec - 1 sec 1S
0 - 3
0.1 sec - 3 sec
10S 0.3 sec - 10 sec 1M 3 sec - 3 min
10M 15 sec - 10 min 1H 3 min - 3 hours
1S
0 - 6
0.1 sec - 6 sec 1S
0 - 30
0.6 sec - 30 sec
10S 1 sec - 60 sec 1M 36 sec - 30 min
1M 6 sec - 6 min 1H 36min - 30 hours
10M 1 min - 60 min 10H 6 hours - 300 hours
1H 6 min - 6 hours
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Timing Diagrams/Schematics
Mode Operation Chart Mode Operation Chart
A: Sequential Start
T1
Delayed
Contact
Ry2
Operation
Indicator
Terminal
No.
Item
Power
Delayed
Contact
Ry1
5-8
(NC)
6-8
(NO)
2-7
1-4
(NC)
OUT1
1-3
(NO)
OUT2
Set Time
Description
ON after T1
T2
ON after T1 + T2
E: Recycler outputs (ON Start)
T1 T2
Delayed
Contact
Ry2
Operation
Indicator
Terminal
No.
Item
Power
Delayed
Contact
Ry1
5-8
(NC)
6-8
(NO)
2-7
1-4
(NC)
OUT1
1-3
(NO)
OUT2
Set Time
Description
ON during T1
OFF during T2
ON during T1
OFF during T2
B: On-delay with course and ne
T1 T2
Delayed
Contact
Ry2
Operation
Indicator
Terminal
No.
Item
Power
Delayed
Contact
Ry1
5-8
(NC)
6-8
(NO)
2-7
1-4
(NC)
OUT1
1-3
(NO)
OUT2
Set Time
Description
ON after T1 + T2
ON after T1 + T2
F: Interval ON
T1 T2
Delayed
Contact
Ry2
Operation
Indicator
Terminal
No.
Item
Power
Delayed
Contact
Ry1
5-8
(NC)
6-8
(NO)
2-7
1-4
(NC)
OUT1
1-3
(NO)
OUT2
Set Time
Description
ON during T1
ON after T1,
during T2
C: Recycler and instantaneous
T1 T2
Delayed
Contact
Ry2
Operation
Indicator
Terminal
No.
Item
Power
Delayed
Contact
Ry1
5-8
(NC)
6-8
(NO)
2-7
1-4
(NC)
OUT1
1-3
(NO)
OUT2
Set Time
Description
Instantaneous ON
OFF during T1
ON during T2
G: Interval ON Delay
T1 T2
Delayed
Contact
Ry2
Operation
Indicator
Terminal
No.
Item
Power
Delayed
Contact
Ry1
5-8
(NC)
6-8
(NO)
2-7
1-4
(NC)
OUT1
1-3
(NO)
OUT2
Set Time
Description
ON during T1
ON after T1 + T2
D: Recycler outputs (OFF Start)
T1 T2
Delayed
Contact
Ry2
Operation
Indicator
Terminal
No.
Item
Power
Delayed
Contact
Ry1
5-8
(NC)
6-8
(NO)
2-7
1-4
(NC)
OUT1
1-3
(NO)
OUT2
Set Time
Description
OFF during T1
ON during T2
OFF during T1
ON during T2
H: Sequential Interval
T1 T2
Delayed
Contact
Ry2
Operation
Indicator
Terminal
No.
Item
Power
Delayed
Contact
Ry1
5-8
(NC)
6-8
(NO)
2-7
1-4
(NC)
OUT1
1-3
(NO)
OUT2
Set Time
Description
ON during T1 + T2
ON after T1,
during T2
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Instructions: Setting GT3W Timer
T2 Time Range Selector
T1 Setting Knob
T2 Setting Knob
Operation Mode Selector
T1 Time Range Selector
1. The switches should be securely turned using a at screwdriver 4mm
wide (maximum). Note that incorrect setting may cause malfunction.
The switches, which do not turn innitely, should not be turned beyond
their limits.
2. Since changing the setting during timer operation my cause malfunction,
turn power off before changing.
Safety Precautions
Special expertise is required to use Electronic Timers.
• All Electronic Timer modules are manufactured under IDEC’s rigorous quality
control system, but users must add a backup or fail safe provision to the
control system when using the Electronic Timer in applications where heavy
damage or personal injury may occur should the Electronic Timer fail.
• Install the Electronic Timer according to instructions described in this catalog.
• Make sure that the operating conditions are as described in the specica-
tions. If you are uncertain about the specications, contact IDEC in advance.
• In these directions, safety precautions are categorized in order of importance
to Warning and Caution.
Warning
Warning notices are used to emphasize that improper operation may cause sever
personal injury or death.
• Turn power off to the Electronic timer before starting installation, removal,
Wiring, maintenance, and inspection on the Electronic Timer.
• Failure to turn power off may cause electrical shocks or re hazard.
• Emergency stop and interlocking circuits must be congured outside the
Electronic timer. If such a circuit is congured inside the Electronic Timer,
failure of the Electronic timer may cause malfunction of the control system, or
an accident.
Caution
Caution notices are used where inattention might cause personal injury or dam-
age to equipment.
• The Electronic Timer is designed for installation in equipment. Do not install
the Electronic Timer outside equipment.
• Install the Electronic Timer in environments described in the specications. If
the Electronic Timer is used in places where it will be subjected to high-tem-
perature, high-humidity, condensation, corrosive gases, excessive vibrations,
or excessive shocks, then electrical shocks, re hazard, or malfunction could
result.
• Use an IEC60127-approved fuse and circuit breaker on the power and output
line outside the Electronic Timer.
• Do not disassemble, repair, or modify the Electronic Timer.
• When disposing of the Electronic Timer, do so as industrial waste.
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GT3 Series Accessories
Timers
1705151136
GT3 Series
Accessories
DIN Rail Mounting Accessories
DIN Rail/Surface Mount Sockets and Hold-Down Springs
DIN Rail Mount Socket Applicable Hold-Down Springs
Style Appearance Use with Timers Part No. Appearance Part No.
8-Pin Screw Terminal
(dual tier)
GT3A-1, 2, 3 (8-pin)
GT3F-1, 2 (8-pin)
GT3W (8-pin)
SR2P-05
SFA-203
11-Pin Screw Terminal
(dual tier)
GT3A-1, 2, 3 (11-pin)
GT3A-4, 5, 6
GT3F-1, 2 (11-pin)
GT3W (11-pin)
SR3P-05
8-Pin Fingersafe Socket
GT3A-1, 2, 3 (8-pin)
GT3F-1, 2 (8-pin)
GT3W (8-pin)
SR2P-05C
11-Pin Fingersafe Socket
GT3A-1, 2, 3 (11-pin)
GT3A-4, 5, 6
GT3F-1, 2 (11-pin)
GT3W (11-pin)
SR3P-05C
8-Pin Screw Terminal
GT3A-1, 2, 3 (8-pin)
GT3F-1, 2 (8-pin)
GT3W (8-pin)
SR2P-06
SFA-202
11-Pin Screw Terminal
GT3A-1, 2, 3 (11-pin)
GT3A-4, 5, 6
GT3F-1, 2 (11-pin)
GT3W (11-pin)
SR3P-06
DIN Mounting Rail
Length 1000mm — BNDN1000
Installation of Hold-Down Springs
DIN Rail Mount Socket
Socket SR2P-06
Hold-down Spring (sold separately)
SFA-202 (use two springs)
Insert the springs into the outer
slots with the projections
facing inside.
Socket SR2P-05
Insert the springs
into the slots.
Hold-down Spring (sold separately)
SFA-203 (use two springs)
Panel Mount Socket
8-pin Socket
SR2P-51
Hold-down Spring
SFA-402
Insert
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Panel Mounting Accessories
Panel Mount Sockets and Hold-Down Springs
Panel Mount Socket Applicable HD Springs
Style Appearance Use with Timers Part No. Appearance Part No.
8-Pin Solder Terminal
GT3A- (8-pin)
GT3W- (8-pin)
GT3F- (8-pin)
SR2P-51
SFA-402
11-Pin Solder Terminal
GT3A- (11-pin)
GT3W- (11-pin)
GT3F- (11-pin)
SR3P-51
For information on installing the hold-down springs, see page 967.
Flush Panel Mount Adapter and Sockets that use an Adapter
Accessory Description Appearance Use with Timers Part No.
Panel Mount Adapter Adaptor for ush panel mounting GT3 timers All GT3 timers RTB-G01
Sockets for use with
Panel Mount Adapter
8-pin screw terminal
(Shown: SR6P-M08G for Wiring Socket Adapter)
All 8-pin timers SR6P-M08G
11-pin screw terminal All 11-pin timers SR6P-M11G
8-pin solder terminal All 8-pin timers SR6P-S08
11-pin solder terminal All 11-pin timers SR6P-S11
No hold down springs are available for ush panel mounting.
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GT3 Series Instructions
Timers
1705151136
Instructions: Wiring Inputs for GT3 Series
Inputs
To avoid electric shock, do not touch the input signal terminal during power voltage application.
When connecting the input signal terminals of two or more GT3A timers to the same contact or transistor, the input terminals of the same number should be con-
nected. (Connect Terminals No.2 in common.)
Input
Contact or T
ransistor
GT3 Series
Timer
Input
Terminal
Input
Terminal
Power
10
10
2
2
[Incorrect]
Power
10
10
2
2
Input
Terminal
Input
Terminal
[correct]
In a transistor circuit for controlling input signals, with its primary and secondary power circuits isolated, do not ground the secondary circuit.
GT3 Series
Timer
Input
Terminal
Power
Rectier
Circuit
Circuit
Insulating Transformer
Connect the input signal terminals of the GT3A timers to Terminal No.2 only. Never apply voltage to other terminals; otherwise, the internal circuit may be damaged.
RY
5, 6, and 7
Input Terminal
210
Input signal lines must be made as short as possible and installed away from power cables and power lines. Use shielded wires or a separate conduit for
input wiring.
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Inputs Instructions, continued
For contact input, use gold-plated contacts to make sure that the residual voltage is less than 1V when the contacts are closed.
6
5
4
3
2
111
10
9
8
7
Power
Reset Input
Start Input
Gate Input
For transistor input, use transistors with the following specications; VCE = 40V, VCES = 1V or less, IC = 50 mA or more, and ICBO = 50µA or less. The resistance
should be less than 1kΩ when the transistor is on. When the output transistor switches on, a signal is input to the timer.
6
5
4
3
2
111
10
9
8
7
Power
Reset Input
Start Input
Gate Input
Inputs: GT3A-1, -2, -3
Transistor output equipment such as proximity switches and photoelectric switches can input signals if they are voltage/current output type, with power voltage
ranges from 18 to 30V and have1V. When the signal voltage switches from H to L, a signal is input to the timer
6
5
4
3
2
111
10
9
8
7
Power
Reset Input
Start Input
Gate Input
Inputs: GT3A-4, -5, -6
Start Input The start input initiates a time-delay operation and controls
output status. No-voltage contact inputs and NPN open collector
transistor inputs are applicable.
24V DC, 1mA maximum
Input response time: 50msec maximum
Reset Input When the reset input is activated, the time is reset, and
contacts return to original state.
Gate Input The time-delay operation is suspended while the gate input
is on (pause).
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GT3 Series Dimensions
Timers
1705151136
Dimensions
Unit:
mm
70.0
36.0
N4
0
.
0
5.6
NOTE: GT3W series are UL Listed when used in combination
with following IDEC’s sockets:
GT3W-A11, A33: SR2P-06* pin type socket.
GT3W-A11E: SR3P-05* pin type socket.
(*-May be followed by A,B,C or U)
The socket to be used with these timers are rated:
-Conductor Temperature Rating 60ºC min.
-Use 14AWG max.(2mm2max.) Copper conductors only
-Terminal Torque 1.0 to 1.3 N-m
Analog GT3 Timer, 8-Pin with SR2P-06 Analog GT3 Timer, 11-Pin with SR3P-06
Analog Setting Type
(When using DIN Rail)
DIN Rail
Hold-
down
spring
(SFA-202)
1.7
31.7
60
1
95 maximum
When using BAA/BAP: 99 maximum
40
36
18
228 64.2 13
Analog GT3 Timer, 11-Pin with SR3P-05
Analog Setting Type (When using DIN Rail)
DIN Rail
(BAA/BAP/BADA)
Hold-down
Spring (SFA-203)
101.5 maximum
BAA or BAP: 105.5 maximum
ø27
33
40
36 8 64.213
16.5
20
28.5
523
Panel Mount Adapter
Analog GT3 Timer, 8-Pin and 11-Pin
with SR6P-S08 or SR6P-S11
Back Wiring Socket
1.7
48
48
11 61.2
Panel Thickness 0.8 to 5mm
42.5
98 maximum
Analog Setting Type (When using DIN Rail)
DIN Rail
Hold-
down
spring
(SFA-202)
1.7
31.7
60
1
95 maximum
When using BAA/BAP: 99 maximum
40
36
18
228 64.2 13
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Mounting Hole Layout
Horizontal Close Mounting
Single
Mounting
45
45
45
48N--3
Tolerance: +0.5 to 0
N: No. of timers mounted
GT3 Timer, 8-Pin with SR6P-M08G
ø3.6 min.
8-M3.5 Terminal Screw
2187
34 56
6.9 max.
30.4
44.6
Panel Thickness 0.8 to 5mm
80.5
7
9.8 × 3
44.6
3.5 max
.5
.6 min.
GT3 Timer, 11-Pin with SR6P-M11G
ø3.6 min.
11-M3.5 Teminal Screws
6.9 max.
92
4 3 8 9 10
211
5
1 7 6
3.5 max. 5.8 min.
30.5 7
8.5 × 4
16.7
45
34
45