Rockwell Automation Publication 750-IN001O-EN-P - October 2014 185
Power Wiring Chapter 4
Short Circuit Current Ratings
- Floor Mount Drives with
Cabinet Options
Default ratings (no added protection) shown. A“•” indicates ratings that can be
achieved with additional protection.
Drive Catalog
Number
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 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 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 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 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 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 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 186
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