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The test is intended to check the instantaneous trip (magnetic trip mechanism) characteristics of an MCB as per its rating and curve at a conveniently low voltage

MCB Instantaneous Trip Test Bench (IEC: 60898-1:2002 Clause 9.10.2)

Lab Test

The SCR Elektroniks MCB Instantaneous Trip Test Bench is designed for Testing of MCB to carry out “Test of Instantaneous Tripping and of correct opening of the Contacts” as per IEC: 60898-1:2002 Clause 9.10.2 at rated voltage. This test is carried out with power factor between 0.95 and 1 with the sequence operation being O-t-CO-t-CO-t-CO with timings as specified in 9.12.11.1.

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