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SMA SC 250U User Manual

Page 52

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6  Electrical connection

SMA America, LLC

52

DISU_SCUS-IA-IUS111711

Installation Guide

Connecting AC cables to busbars with screw terminals

Figure 41: Connection of AC cables to busbar with screw terminals

1. Strip the cable by about 1 

1

5

in. (30 mm).

2. Open the set screw of the terminal completely.
3. Plug the copper conductor of the cable into the screw terminal and tighten it with the specified

torque (see section 6.2 ”Cable requirements”, page 32).

Position

Description

A

Nut ‒ size: M 12

B

Spring washer

C

Washer

D

Screw terminal

E

Busbar

F

Screw head ‒ size: M12

E

D

C

A

F

C

A

B

C

F

C

B

B

B

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