Product Data Sheet
Wire Range:
Line side: (2) 250kcmil – 1/0
Load Side: (8) #2 - #14 AWG
See tables below for SCCR wire ranges, flexible
stranded and multiple wire approvals.
133X597 CH
Replace “X” with 1, 2 or 3 for numb er of poles
Distribution Power Block
510 Am
p
s, 600 Volts
(
AC/DC
)
Electrical Ratings:
510A copper wire, 310A aluminum wire (Based on NEC Table 310-16, 75°C columns)
600 Volts AC/DC (UL 1059 Class C, User Group - General Industrial)
Factory and Field Wiring
Short Circuit Current Ratings (Copper wire only):
SCCR, RMS Volts
SYM Amps Max
Line Load J T RK1 RK5 G CC
250 - 1/0 2 - 14 600 600 600 200 60 30 100,000 600
Suitable Overcurrent Protection Fuse Required
Class/Max Amp Rating(kcmil/AWG)
Mechanical Ratings:
Maximum insulator base and cover temperature: 125°C (257°F) UL RTI
Storage and transportation temperature range: -35°C to 110°C (-31°F to 230°F)
Flammability rating of insulator base and cover: UL 94 V-0
* Use outside these ratings needs to be judged in the end-use application.
Materials:
Connector: High conductivity aluminum, tin plated
Insulator base: glass filled polycarbonate (thermoplastic)
Terminal set screws: Aluminum, tin plated and Steel, nickel plated
Connector mounting screws: Steel, zinc plated
Hinged cover: glass filled polycarbonate (thermoplastic)
Agency Approvals:
UL Recognized, UL 1059 Terminal Block Standard, File No. XCFR2.E62806
CSA Certified, CSA C22.2 No. 158, File No. LR19766 (Wire Classes B & C only)
CE compliant to IEC 60947-7-1
RoHS Compliant
Wire Approvals:
Line Side Wire Approvals:
Copper Wire Strandin
g
Classes - Number of Strands
Wire Size Torque Solid Class B Class C Class G Class H Class I Class
K
250 kcmil 275 in. lbs 37 61
4/0 275 in. lbs 19 37 ~ 133 ~ 259
3/0 275 in. lbs 19 37 ~ 133 ~ 259 ~ 418 ~ 1666
2/0 275 in. lbs 19 37 ~ 133 ~ 259 ~ 342 ~ 1323
1/0 275 in. lbs 19 37 ~ 133 ~ 259 ~ 266 ~ 1064
~Quantity of strands for Classes G, H, I, K may vary by manufacturer.
Aluminum stranded wire range: 250kcmil – 1/0
Load Side Wire Approvals:
Copper Wire Stranding Classes - Number of Strands
Wire Size Torque Solid Class B Class C Class G Class H Class I Class K
2 AWG 50 in. lbs 7 19
4 45 in. lbs 7 19 ~ 49 ~ 133 ~ 105 ~ 420
6 45 in. lbs 7 19 ~ 49 ~ 133 ~ 63 ~ 266
8 40 in. lbs (1-2)* 7 (1-2)* 19 ~ 49 ~ 133 (1-2)* ~ 41 (1-2)* ~ 168
10 35 in. lbs 1 (1-2)* 7 (1-2)* 19 (1-2)* ~ 27 (1-2)* ~ 104
12 35 in. lbs 1 (1-4)* 7 (1-4)* 19 (1-2)* ~ 19 (1-2)* ~ 65
14 35 in. lbs 1 (1-4)* 7 (1-4)* 19 (1-2)* ~ 19 (1-2)* ~ 41
~ Quantity of strands for Classes G, H, I, K may vary by manufacturer.
* Multiple conductor approvals for LOAD side only. (copper wire only)
Aluminum stranded wire ranges: #2 – #14 AWG
Wire strip length, line side tap – 1 9/16”
Wire strip length, load side tap, top row –11/16”, bottom row – 1 1/8”
Hex keys required: line side - 5/16”, load side - 5/32”
Panel mountable: #10 fastener, torque to 25-30 in. lbs.
Accessories:
Marker Strips. Printing available. Consult factory.
1 Pole 2 Pole 3 Pole
WWW.MARATHONSP.COM
1-419-352-8441
PDS 0116 REV B 4/23/09