Breaker
a. Milli volt drops test between the interrupting contacts and between the isolator contacts.
b. Closing and opening timing of the breaker for 5 times.
c. Checking whether the breaker trips or closes when the logics are fulfilled.
Bus bars
a. Milli volts drop test for the contact resistance value.
b. Tightness of the joints.
c. IR values between phase to phase and phase to ground.
