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Rugged Monitoring / Doble-Megger

Circuit Breaker Monitoring

Connect breaker-condition insight with practical electrical diagnostics.

Expertise for your application.

Connect breaker-condition insight with practical electrical diagnostics.

Our team helps you assess your application, select suitable technology and plan the technical support needed for your assets. Contact Equinox Power Solutions to discuss your requirements.

Read more: Rugged circuit-breaker monitoring (opens in a new tab)

Rugged Monitoring / Doble-Megger

Technology in context.

Circuit-breaker monitoring brings together operating-mechanism, thermal and insulation information to support condition assessment between maintenance activities.

Watch the mechanism and current path

Operating behaviour, hot spots and load information address different parts of the breaker. Partial discharge and SF6-density monitoring apply where the breaker construction and insulation system require them.

Match the arrangement to the breaker

Rugged describes monitoring for independent-pole, gang-operated and dead-tank arrangements. The final design needs to account for available signals, sensor locations and the existing control environment.

Verify breaker performance during maintenance

Megger TM1700 provides timing and motion analysis for circuit-breaker testing. Use planned diagnostic tests alongside operating-condition trends to investigate changes in breaker performance.

Capabilities

  • Timing, speed and motion analysis
  • Static and dynamic contact resistance
  • Both-sides-grounded and undervoltage testing where supported
  • Online monitoring within integrated substation and GIS systems

Applications

Where it fits.

  • Independent-pole breakers
  • Gang-operated breakers
  • Dead-tank breakers
  • High-voltage breaker fleets

Choosing your solution

What to consider.

  • Which breaker technology is installed?
  • Which operating signals are available?
  • Can measurements be added during maintenance?
  • How will changes trigger investigation?

Find your technology

Circuit breaker monitoring

Explore the range and compare the capabilities that matter to your application.

Available models

5 models and ranges

Circuit breaker testing

ISA / Doble

CBA 3000

Integrated circuit breaker analyser for commissioning and maintenance.

  • Timing, motion and speed analysis
  • Simultaneous static and dynamic contact resistance
  • Both-sides-grounded and undervoltage tests
  • Single test case without separate external measurement modules

Megger circuit breaker testing

Megger

TM1700

Circuit breaker analyser for timing, travel and diagnostic tests in high-voltage substations.

  • DualGround testing with both breaker sides earthed
  • First-trip, dynamic resistance and vibration test options
  • Guided connections and editable test plans

Go further

Further information.

Explore the information for your application, then speak to our team about selection and support.

Enquire about this range

Circuit Breaker Monitoring

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A closer look

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