Circuit Breaker Testers

Circuit Breaker Testers

High Current and Circuit Breaker Testers combine a variable high current output with the appropriate controls and instrumentation. The test set is ideal for testing thermal, magnetic, and solid-state motor overload relays as well as molded-case circuit breakers and ground fault trip devices. They can also be used in many other applications requiring a high current source.
 
High Current and Circuit Breaker Testers Applications

• For field or shop use
• Economical and portable primary injection testing
• Test virtually any low voltage, molded case, or metal clad direct acting AC circuit breaker by simulating overload and fault conditions
• Test current transformers and thermal or magnetic motor overload relays
• Substation maintenance

Key Features of High Current and Circuit Breaker Testers to Consider

• Built for field or shop use
• Provides a short duration output of 1000 amps through a typical 150 ampere molded-case circuit breaker when an instantaneous trip element must be tested
• Unique auto-sensing
• When the output is initiated the pre-set output current locks on and the timer starts
• When the test set senses a change in state of the test object (NO to NC or NC to NO), the current shuts off and the timer stops
• Memory feature of the current meter holds the peak current value until reset by operator
• Windows based software
• Computerized controls with user-friendly, menu-driven commands