Rockwell Automation 1503 IntelliVAC Contactor Control Module - Series C and later - Manual (Page 49)

A-2 Typical Contactor Drop-out Times
1503-UM052D-EN-P – June 2013
Table A.1 – Typical Contactor Drop-out Time Settings (cont.)
Fuse Rating Contactor Drop-out Time Setting (msec)
Voltage Designation 400A 800A
< 5000
20E
50
50
30E
40E
50E
65E
80E
100E
125E
150E
175E
200E
250E
300E
350E 75
400E 100
450E 130
500E 240
600E 240 * 75
750E ⊇ 200
900E ⊇ 240 *
2 x 250E ⊇ 50
2 x 300E ⊇ 75
2 x 350E ⊇ 75
2 x 400E ⊇ 100
2 x 450E ⊇ 130
2 x 500E ⊇ 240
2 x 600E ⊇ 240 *
2 x 750E ⊇ ⊇
2 x 900E ⊇ ⊇
⊇ Fuse not suitable for use with contactor.
Note: The drop-out time is chosen to be equal to or greater than the
intersection of the rated contactor interrupting current and the
fuse melt time curve (except where noted * ).