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SMA GRID CONNECT BOX 12 User Manual

Page 12

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4  Product Description

SMA Solar Technology AG

12

GRID-BOX-12-3-20-BE-en-10

Operating Manual

Residual-current device

Figure 4: Overview of the residual-current device

Position

Designation

Explanation

A

Test button

The functionality of the residual-current device must be tested

regularly (see Section 10.1, page 28).

B

Switch lever

Top position:

ON - residual-current device is switched on.

Bottom position: OFF - residual-current device has tripped or

is switched off.