www.marathonsp.com

3

11/09/2023

Product Data Sheet

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 – For SCCR’s greater than the default of 10KA, the minimum enclosure size is 16x14x6. When

using the default rating, there are no enclosure limitations other than proper fit of the product.

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

350 - 6

2/0 - 6

400

400

200

100

60

30

100,000

G, H, I

250 - 6

1 - 8

150

150

100

30

60

30

100,000

(*)

350 - 6

2/0 - 14

None (Default Rating)

10,000

* Any wire class evaluated (see terminal specification section)

Installation & Accessories

• Mounting (Panel):

- For use with #10 fastener. ( #8 washer recommended with SHCS)

- Mounting torque to be determined in end use application not to exceed 30 in lbs (3.4 N.m)

• Cover:

- Snap on hinge cover available upon request

- Catalog number:

•

For 3-Pole (1343xxx), CH1343

•

For 2-Pole (1342xxx), CH1341 (2x For each pole)

•

For 1-Pole (1341xxx), CH1341

- Cover is back thermoplastic