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
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