The MTK200 Trip Unit Test is used to test and verify the pickup levels and time delay settings of a breaker’s trip unit. Scheduled testing of the circuit breaker’s trip unit will help to ensure proper operation of the breaker and will lead to safer and more efficient performance.
The Zone Interlock Shorting Plug for the Magnum breaker (8779C02G06) is required when the breaker is removed from the switchgear cell for testing. The Shorting Plug must be installed on the breaker secondary contacts to defeat zone-interlock wiring.