
Rockwell Automation Publication 750-TD001H-EN-P - June 2013 53
PowerFlex 750-Series AC Drives
Short Circuit Current Ratings for Drives with Options
Default ratings (no added protection) shown. A“•” indicates ratings that can be achieved with additional protection.
400V AC Input
Drive Catalog
Number Frame
Duty
Cycle kW
Short Circuit Current Rating (kA)
Circuit Breaker
Only (P3)
(1)
Circuit Breaker with Input Contactor
(P3 with P11)
(1)
Molded Case Switch Only
(P5)
(2)
Molded Case Switch with Input
Contactor (P5 with P11)
(2)
400 Volt AC Input
21G…C460 8 LD 315 100 30 65 or
• 100 w/700…800 A Class L fuse
5 or
• 30 w/700…1200 A Class L fuse
• 30 w/700…1200 A CB
ND 250 100 30 or
• 65 w/600 A Class J fuse
65 5 or
• 65 w/600 A Class J fuse
• 30 w/600…1000 A Class L fuse
• 30 w/600…1200 A CB
HD 200 100 5 or
• 100 w/500…600 A Class J fuse
• 18 w/600…800 A Class L fuse
• 18 w/500 A CB
65 5 or
• 100 w/500…600 A Class J fuse
• 18 w/600…800 A Class L fuse
• 18 w/500 A CB
21G…C540 8 LD 315 100 30 65 or
• 100 w/750…800 A Class L fuse
5 or
• 30 w/750…1300 A Class L fuse
• 30 w/800…1200 A CB
ND 315 100 30 65 or
• 100 w/700…800 A Class L fuse
5 or
• 30 w/700…1200 A Class L fuse
• 30 w/700…1200 A CB
HD 250 100 30 or
• 65 w/600 A Class J fuse
65 5 or
• 65 w/600 A Class J fuse
• 30 w/600…1000 A Class L fuse
• 30 w/600…1200 A CB
21G…C567 8 LD 355 100 30 65 or
• 100 w/800 A Class L fuse
5 or
• 30 w/800…1300 A Class L fuse
• 30 w/800…1200 A CB
ND 315 100 30 65 or
• 100 w/750…800 A Class L fuse
5 or
• 30 w/750…1200 A Class L fuse
• 30 w/800…1200 A CB
HD 250 100 30 or
• 65 w/600 A Class J fuse
65 5 or
• 65 w/600 A Class J fuse
• 30 w/600…1000 A Class L fuse
• 30 w/600…1200 A CB
21G…C650 8 LD 400 100 42 65 or
• 100 w/1000…1200 A Class L fuse
5 or
• 42 w/1000…1600 A Class L fuse
• 42 w/1000…1200 A CB
ND 355 100 42 65 or
• 100 w/850…1200 A Class L fuse
5 or
• 42 w/850…1400 A Class L fuse
• 42w/900…1200 A CB
HD 315 100 30 65 or
• 100 w/700…800 A Class L fuse
5 or
• 30 w/700…1200 A Class L fuse
• 30 w/700…1200 A CB
21G…C750 8 LD 450 100 42 65 or
• 100 w/1000…1200 A Class L fuse
5 or
• 42 w/1000…1700 A Class L fuse
• 42 w/1000…1200 A CB
ND 400 100 42 65 or
• 100 w/1000…1200 A Class L fuse
5 or
• 42 w/1000…1600 A Class L fuse
• 42 w/1000…1200 A CB
HD 315 100 30 65 or
• 100 w/700…800 A Class L fuse
5 or
• 30 w/750…1300 A Class L fuse
• 30 w/800…1200 A CB
21G…C770 8 LD 450 100 42 65 or
• 100 w/1000…1200 A Class L fuse
5 or
• 42 w/1100…1800 A Class L fuse
• 42 w/1100…1200 A CB
ND 400 100 42 65 or
• 100 w/1000…1200 A Class L fuse
5 or
• 42 w/1000…1700 A Class L fuse
• 42 w/1000…1200 A CB
HD 355 100 42 65 or
• 100 w/700…800 A Class L fuse
5 or
• 42 w/800…1400 A Class L fuse
• 42 w/800…1200 A CB
continued on page 54
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