Rockwell Automation 2364E Non-Regenerative DC Bus Supply Unit (NRU) - Manual (Page 85)

Publication 2364E-5.01 April 2002
NRU Details C-5
Recommended Disconnect Trip
Settings
Table D: Recommended Disconnect Trip Settings
Figure 6
180 and 350A DC NRU Recommended Motor Circuit Protector Settings
Figure 7
900A DC NRU Recommended Circuit Breaker Settings
DC Bus Current
(A DC)
NRU Current
Code
Disconnect Description
Recommended Setting(s)
shown in:
180 A
Motor Circuit Protector: 250A,
J-frame
Figure 6
350 B
Motor Circuit Protector: 400A,
K-frame
Figure 6
900 C
Circuit Breaker: 1200A
R-frame with 1200A plug
Figure 7
1500 D
Circuit Breaker: 2000A
R-frame with 1600A plug
Figure 8
2000 E
Circuit Breaker: 2000A
R-frame with 2000A plug
Figure 8
2500 F
Circuit Breaker: 3000A
SPB-frame with 2500A plug
Figure 9
3000 G
Circuit Breaker: 3000A
SPB-frame with 3000A plug
Figure 9
A
E D
C
B
I
F
G
H
A
E D
C
B
I
F
G
H
A
E D
C
B
I
F
G
H
Push to Trip
Digitrip RMS Rating Plug
5
6
7
8
4
3
2
Short Delay
Pickup • x Ir
E n g a g e d
R e m o v e
In = Ir
Push
to
Trip
Digitrip RMS
Trip Unit