Rockwell Automation 21G PowerFlex 750-Series AC Drives User Manual
Page 153
Rockwell Automation Publication 750-IN001N-EN-P - April 2014
153
PowerFlex 750-Series AC Drives
Fusing
The recommended fuse types are listed below. If available current ratings do not
match those listed in the tables provided, choose the next higher fuse rating.
•
IEC – BS88 (British Standard) Parts 1 & 2, EN60269-1, Parts 1 & 2
(1)
,
type gG or equivalent should be used.
•
UL – UL Class CC, T, RK1, J, or L should be used.
Circuit Breakers
The “non-fuse” listings in the following tables include inverse time circuit
breakers, instantaneous trip circuit breakers (motor circuit protectors) and 140M
self-protected combination motor controllers. If one of these is chosen as the
desired protection method, the following requirements apply:
•
IEC – Both types of circuit breakers and 140M self-protected
combination motor controllers are acceptable for IEC installations.
•
UL – Only inverse time circuit breakers and the specified 140M self-
protected combination motor controllers are acceptable for UL
installations.
•
Drives without a 140M recommendation have not been tested in
combination with the drive.
(1) Typical designations include, but may not be limited to the following; Parts 1 & 2: AC, AD, BC, BD, CD, DD, ED, EFS, EF, FF, FG, GF, GG,
GH.