Rockwell Automation 20D DC SCR Precharge Module - Manual (Page 16)

1-6 Installation/Wiring
Power Connection for 500A and 750A DC SCR Precharge Modules
Figure 1.4 shows typical locations of bus bars and terminals on 500A and
750A DC SCR Precharge Modules for customer wiring.
Figure 1.4 Bus Bar and Terminal Locations for Wiring 500A and 750A Modules
Table 1.B Power Connection Specifications for 500A and 750A Modules
Item Name Amps Bus Bars (1)
(1) Input/output power bus bar connections require the use of either lug-type connectors to terminate field-installed
conductors or bus bars.
Holes
➊
DC Bus +DCin
500 50mm x 5mm (1.968 x 0.197 in.) 6 x 10mm (0.393 in.)
750 50mm x 5mm (1.968 x 0.197 in.) 6 x 10mm (0.393 in.)
➋
DC Bus +DCout
500 50mm x 13mm (1.968 x 0.512 in.) 4 x 10mm (0.393 in.)
750 50mm x 13mm (1.968 x 0.512 in.) 4 x 10mm (0.393 in.)
➌
Protective Earth (GND)
500 Bolt M10 x 25mm (0.984 in.) Torque 10Nm (88 lb-in.)
750 Bolt M10 x 25mm (0.984 in.) Torque 10Nm (88 lb-in.)
➍
Control Terminal Blocks Refer to Table 1.D on page 1-8 .
GND
AK
K
A
HK
G
DATA NAMEPLATE
+DCin +DCout
DANGER
DANGER
CAN CAUSE SHOCK
BURNS, OR DEATH
SURFACES
MAY BE HOT
REMOTE
SOURCE
➌
➊
➍
➋
➍