This is utilized for the production testing of bimetal overload relays

5 Station Bimetal Overload Relay Test Bench (IEC 60947)

Routine Test

The bench is mainly to be utilized for the production testing of bimetal overload relays used to break current using an overload current operated bimetal device, typically for motors and pumps. The circuit employs a typically designed servo controlled current source which pumps the required current at a convenient low voltage.

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The bench helps to check the heating and overload contact mechanism characteristics
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This single bench conducts nearly all of the electrical tests that are relevant to the contactor
The test bench is useful in conducting various manual tests mainly for prototype and R&D test