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2 connecting the negative strings, 3 connecting the positive strings, Connecting the negative strings – SMA SBCBTL6 User Manual

Page 24: Connecting the positive strings

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Electrical connection

SMA America, LLC

24

SBCBTLUS-IUS094510

Installation Guide

6.4.2 Connecting the negative strings

Use the "Negative String Inputs" screw terminals(A).

1. Strip the cable by approx. 0.3 in. (8 mm).

2. Open the screw terminals completely by turning

them counterclockwise with a flat-head screwdriver.

3. Plug the stripped cable into the screw terminal.
4. Tighten the screw terminal clockwise.

☑ The negative strings of the PV modules are connected.

6.4.3 Connecting the positive strings

Use the "Positive String Inputs" screw terminals (A).

1. Strip the cable by approx. 0.3 in. (8 mm)

2. Open the screw terminals completely by turning

them counterclockwise with a flat-head screwdriver.

3. Plug the stripped cable into the screw terminal.
4. Tighten the screw terminal clockwise.

☑ The positive strings of the PV modules are connected.