Allen-Bradley 20A Installation Instructions

Rockwell Automation Publication 750-IN001P-EN-P - April 2017 193
Power Wiring Chapter 4
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
21G…C910 LD 560 100
These options are not used with these drive ratings.
ND 500 100
HD 400 100
21G…C1K0 LD 630 100
ND 560 100
HD 500 100
21G…C1K1 LD 710 100
ND 630 100
HD 500 100
21G…C1K2 LD 800 100
ND 710 100
HD 560 100
21G…C1K4 LD 850 100
ND 800 100
HD 630 100
21G…C1K5 LD 900 100
ND 850 100
HD 710 100
(1) These circuit breakers are considered branch circuit protection for the unit.
(2) No additional protection is provided with the P5 molded case switch option. Branch circuit protection is required based on NEC guidelines.
Table 27 - Short Circuit Current Ratings – 400V AC Input (Continued)
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)
Table 28 - Short Circuit Current Ratings – 480V AC Input
Drive Catalog
Number
Duty
Cycle
Hp 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)
21G…D430 LD 400 100 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
ND 350 100 30 or
• 65 w/550…600 A Class J fuse
65 30 or
• 65 w/550…600 A Class J fuse
HD 300 100 5 or
• 100 w/450…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…D485 LD 450 100 30 65 or
• 100 w/800 A Class L fuse
5 or
• 30 w/650…1200 A Class L fuse
• 30 w/700…1200 A CB
ND 400 100 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 350 100 5 or
• 100 w/500…600 A Class J fuse
• 18 w/600…900 A Class L fuse
65 5 or
• 100 w/500…600 A Class J fuse
• 18 w/600…900 A Class L fuse

Allen-Bradley 20A Specifications

General

Brand	Allen-Bradley
Model	20A
Category	Controller
Language	English