Power connection bus bars and terminals – Rockwell Automation 20G PowerFlex SCR Bus Supply User Manual

Page 22

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1-8

Installation/Wiring

PowerFlex SCR Bus Supply User Manual
Publication 20S-UM001G-EN-P

Power Connection Bus Bars and Terminals

Figure 1.4

400A Unit Bus Bar and Terminal Locations for Customer Wiring

Table 1.C 400A Unit Power Connection Specifications

Item Description

Copper 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.

Recommended Minimum Size

Bus Bar

Wire

AC Line Input
L1, L2, L3

40 x 5 mm (1.57 x 0.2 in.) with
single 14 mm (0.55 in.) diameter
hole for customer terminal

40 x 5 mm

120 mm

2

(or 2 x 50 mm

2

)

DC Bus
DC+, DC-

40 x 5 mm (1.57 x 0.2 in.) with
single 14 mm (0.55 in.) diameter
hole for customer terminal

40 x 5 mm

150 mm

2

(or 2 x 70 mm

2

)

Protective Earth PE

M8 x 25 mm (0.98 in.) stud;
torque to 6 N•m (54 lb•in)

Size per NEC or local code

Control Terminal Block

See

Table 1.F

DC+

DC-

L1

L2

L3

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