Circuit Breaker Test Equipment

Perform testing of circuit breakers and relays, current transformers, ground fault trip devices, or use in other applications that require a high current power source. All models can be easily transported for on-site testing and deliver the best value and many superior features.

TEST SETS WITH 1,000-5,000 AMP OUTPUT

Model Maximum Output
HC-1 1000 Amps
HC-2 2000 Amps
HC-3 3000 Amps
HC-5 5000 Amps

TEST SETS WITH 8,000-75,000 AMP OUTPUT

Model Maximum Output
HC-8C 8,000 Amps
HC-12C 12,000 Amps
HC-20C 20,000 Amps
HC-40C 40,000 Amps
HC-75C 75,000 Amps

Microhmmeter-Contact Resistance Meters

The MRM Series will accurately measure very low contact resistances on all types of electrical products including motors, switchgear, breakers, busbars, generators, reclosers, transformers.

  • 4-wire Kelvin measurement
  • Easy to read digital screen display
  • Printable test results via external or built-in printer
  • IEC safety compliant
MRM-10
1 mA-10 A, 1 µΩ resolution, rechargeable battery
MRM-10E
1 mA-10 A, 0.1 µΩ resolution, rechargeable battery
MRM-100A
Up to 100 A (True DC), 0.1 µΩ resolution,
Built-in memory and printer
MRM-200
5 A-200 A (True DC), 0.1 µΩ resolution,
Built-in memory

AC Vacuum Interrupter Test Sets

Designed primarily for vacuum interrupter testing; however, these units can be used for testing breakers, switchgear and many other electrical apparatus.

Model      Output Range
640-0.4P 0-40kVAC, 10mA
660-10PA ±30 kVAC, total of 60 kV, 10mA
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