ASCO Power Technologies Products Digital Binder

This document presents electrical ratings and specifications for ASCO transfer switches in accordance with Edition 2.1 of the International Elect - Low Voltage Switchgear and Controlgear. For additional information, contact an authorized ASCO representative.

Short-Circuit Ratings

IEC Utilization Category

Frame

Voltage (Ue) V Current Range (Ie) A

Short Time Withstand Current (Icw)

Short-Circuit Making Capacity (Icm)

30 - 200

AC-33B

110 - 440

18.9kA

225

AC-32A

10kA for 31 ms (for main poles)

D

30 - 100

AC-33A

480

18.0kA

150 - 225

AC-32A

150 - 400

AC-33A

15kA for 60 ms

35kA

J

110 - 440

600

AC-32A

12kA for 50 ms

27kA

600 - 1000

AC-33A

36kA for 378 ms (All) 30kA for 500 ms (600-800A TSE) (600-1200A Bypass)

H

208 - 440

84.1kA

1200

AC-33B

1600

AC-33A

50kA for 56 ms 42kA for 307 ms for all

123.4kA

2000 - 3000

AC-32A

G

208 - 440

85kA for 135 ms 65kA for 500 ms for all

3200 - 4000

AC-32A

192kA

Notes: For additional dimension and venting details, please refer to the Outline Drawing for each model.

TSE = Transfer Switch Equipment Bypass = Bypass Isolation Transfer Switch Equipment

ASCO Power Technologies 160 Park Avenue, Florham Park, NJ 07932