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The connection mode of the switch quantity "DI1, DI2" terminal

(1) Under normal circumstances, the switch quantity “DI1” is the circuit breaker terminal, “DI2” is the lightning protection terminal, and these two terminals can also be used interchangeably;
(2) the "SG" terminal is a common terminal;
(3) Tighten the terminals such as “DI1, DI2, SG” and tighten them when wiring;
(4) The connection method of the switch circuit breaker and the lightning arrester is as shown in the following figure:

1642747908(1)

Note: Common problems are: the line is not connected, not connected, the line is wrong, etc.;
          If the switch terminals are not connected correctly, the host module will not receive the alarm information in time, which will cause difficulties in operation and maintenance.


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