The Merlin Gerin 55391/34547 is a portable test kit that is used to check the operation of the trip unit by measuring actual trip times of Masterpact, Compact, and Compact NS breakers with the STR and ST trip units. It requires a power supply of 110 or 240 Vac, 50/60 Hz (two-position selector).
The test kit is used by connecting the test leads to the circuit breaker and the test block. The power supply is then turned on and the trip time is measured. The results of the test can be used to verify the operation of the circuit breaker and to troubleshoot any problems.
Breakers & Trip units:
Benefits:
Components:
Resources:
Breakers & Trip units:
The Merlin Gerin 55391/34547 ME test kit is used to test the following types of breakers and trip units:
- Molded case circuit breakers (MCCBs): Compact, Compact NS, and Masterpact
- Electronic trip units:Â STR and ST
Benefits:
- It can be used to check the operation of a variety of circuit breakers.
- It is easy to use and can be operated by electricians with varying levels of experience.
- It provides accurate results that can be used to verify the operation of the circuit breaker.
- It can be used to troubleshoot any problems that may occur with the circuit breaker.
Components:
The kit includes the following components:
- A power supply unit
- A test lead set
- A test clip set
- A test block
- A user manual
Resources: