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Calibration and Testing Systems for Threephase Motor Protectors and Overload Relays

Equipment for the calibration and testing of tripping characteristic and for the final inspection of threephase motor protectors and overload relays.

  • Nominal current  range 0.2A up to 63A
  • Functionality testing
  • Calibration of the synchronism of the trip unit
  • Overload-tripping test with test currents 0.5A  to 250A DC
  • Testing of short-circuit trip with currents 1 A to 1,250 AC
  • High voltage testing up to 3,000V AC
  • Labelling and batch marking
Calibration and Testing Equipment MSRJ for Overload Relays

Calibration and Testing Equipment MSRJ for Overload Relays

Calibration of the overload tripping and final inspection of threephase overload relays

  • Manual loading
  • Independent processing of 3 specimen
  • Calibration of trip current
  • Marking of the setting scale
  • High voltage testing

Capacity: approx. 300 pcs/h

Calibration and Testing Equipment MSJP for Motor Protectors

Calibration and Testing Equipment MSJP for Motor Protectors

Calibration of trip current, testing of short-circuit-trip and final inspection of threephase overload relays

  • Manual loading
  • Independent processing of 3 specimen
  • Calibration of trip current
  • Marking of the setting scale
  • Testing of the short-circuit trip
  • High voltage testing

Capacity:  approx.250 pcs/h

Synchronism Calibration Equipment MSRE for Motor Protectors

Synchronism Calibration Equipment MSRE for Motor Protectors

Calibration of synchronism of the triggering bimetals in threephase motor protectors through individual adaptation of the triggering mechanism

  • Manual loading
  • Measuring of the bimetal position in relation to the triggering system
  • Calibration through product-individual  punching of the bimetal release slide

Capacity:  approx.250 pcs/h