Rockwell Automation 1395 Digital DC Drive - Manual (Page 58)

Publication 2361-5.01 July 1998
5-4 Installing Your Drive
Installing and Configuring
&
Your Drive
Follow the installation instructions given in publication 1395-5.40 to
set up your unit, referring to this chapter for information specifically
for the 1250, 1650, and 3000A DC drives.
Drive Disconnect
A 3-phase circuit breaker or AC line fuses are included with each
drive. For circuit breaker settings and derating, refer to Appendix A.
Wiring Recommendations
The following tables show recommended wiring for the 1250, 1650,
and 3000A DC drives, according to NFPA 70, 75ºC wiring. Refer to
local codes for wire sizes.
Table 5.A: Typical Wire Selections (AC Input)
Table 5.B: Typical Wire Selections (Armature Connection)
Table 5.C: Typical Wire Selections (Field Connection)
DC Bus Current
(A DC)
Incoming Wires
(For Each Phase or Connection, AWG)
1250 4-500 kcmil
1650 5-500 kcmil
3000 8-500 kcmil
DC Bus Current
(A DC)
Output Wires
(AWG)
1250 5-500 kcmil
1650 6-500 kcmil
3000 10-500 kcmil
DC Bus Current
(A DC)
Output Lines
(43A Field, AWG)
Output Lines
(90A Field, AWG)
1250 8 4
1650 8 4
3000 8 4