ASCO Power Technologies Products Digital Binder

This document presents electrical ratings and specifications for ASCO transfer switches in accordance Switchgear and Controlgear. For additional information, contact an authorized ASCO representative.

Short-Circuit Ratings

Current Range (Ie) A

IEC Utilization Category

Voltage (Ue) V

Short Time Withstand Current (Icw)

Short-Circuit Making Capacity (Icm)

Conditiona Short-Circu Rating(lq)

Frame

Icq = 10kA w LPS - RK - 400 S

AC-33B

30 - 200

18.9kA

110 - 440

AC-32A

225

10kA for 31 ms (for main poles)

Ip = 12.3kA

D

AC-33A

30 - 100

480

18.0kA

I2t = 284 x 10E3 (Overlapping Ne

AC-32A

150 - 225

AC-33A 15kA for 60 ms

35kA

150 - 400

J

110 - 440

--

600

AC-32A 12kA for 50 ms

27kA

AC-33A 36kA for 378 ms (All)

600 - 1000

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

84.1kA

--

208 - 440

H

1200

AC-33B

AC-33A

1600

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