www.marathonsp.com

2

03/28/2018

Termination Specifications

Line & Load Side

Wire Size

(CU Stranded)

Torque

Wires /

Terminal

Wire Class (UL) 1

500 kcmil - 4 AWG

42.3 N·m

(375 lbf·in)

1

B, C

350 kcmil - 2 AWG

42.3 N·m

(375 lbf·in)

1

B, C, G, H, I (DLO)

•

Suitable for Class 2 Metric Wire 240 -25 mm2

•

Aluminum stranded wire range: 500 kcmil - 4 AWG

•

Wire strip length: 1 1/2 in. (38mm)

•

IP-20 protection:

•

Wire present and break-away tab installed - wire range: 3/0 - #4 AWG

•

Wire present and break-away tab removed - wire range: 500 kcmil - 4/0

•

No wire is present - remove tab and use plug (Catalog No. EPB-Plug-500)

•

Terminal screw drive: 8 mm hex

1

For information on copper stranded wire classes please visit:

http://www.marathonsp.com/flexible-stranded-wire.php

Short Circuit Current Ratings (SCCR)

•

The suitable conductor ranges are limited to the table values only for achieving the SCCR in excess of

the default rating of 10,000A.

•

Other conductor combinations within the “Terminal Specifications” noted are suitable for achieving a

SCCR of 10,000A (the default rating of terminal blocks).

•

Enclosure size – Investigated with a minimum 16X14X6 enclosure. Use in smaller enclosures is subject

to end use evaluation.

SCCR With Fuses

Wire

Class

Suitable

Conductors

Max Overcurrent Protection Fuse Required

Amp Rating / Class

SCCR RMS

Sym. Amps

600V. Max

Line

Load

J

T

RK1

RK5

G

CC

B, C

500 - 4

500 - 4

600

600

600

200

60

30

100,000

G, H, I,

DLO

350 - 2

350 - 2

600

600

600

200

60

30

100,000

Suitable for Class 2 Metric Wire 240 - 25 mm2