SD Series Alarm Contact

SD Series Alarm Contact

SD auxiliary contact is suitalbe for AC 50Hz,rated voltage to 230V or rated DC voltage to 110v line.It is assembled with mini circuit breaker, to provide long distance circuit breaker on and off signal indication. 

Standard:IEC 60947-5-1.

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Technical Data

Technical parameter item

Parameter values


Rated operating voltage


Rated working current



Rated operating voltage


Rated working current


Mechanical life

Mechanical life not ess than 10000 times


Normal working conditions and installation conditions

Ambient temperature:-5℃~40℃

Relative humidity:≤90%/25℃,≤50%/40℃

The altitude of the installation site shallnot exceed 2000m



Installation & Operation

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