Amp Frame Vs Amp Trip. This means that the circuit breaker is rated for a maximum current of125 Amperes and is currently set to trip Open Contacts at100 Amperes. The AF stands for the Frame Ampere rating so in this case will be 400 Amp Frame.
Siemens molded case circuit breaker Sentron Series. And Ampere Frame is actually the Size of Bus Bar of Penal Board and If in future we have to Replace it with some higher size of CB so we can. It is the normal current which the breaker can carry or I is the full current carrying capacity of the breaker.
And Ampere Frame is actually the Size of Bus Bar of Penal Board and If in future we have to Replace it with some higher size of CB so we can.
Ampere rating is established by rating plug. Ampere Frame AF it is the rating breaker current maximum current which the breaker will withstand for a long timeAmpere trip AT it is the current set to trip the circuit usually from 60 up to 100 of the AF. This means that the circuit breaker is rated for a maximum current of125 Amperes and is currently set to trip Open Contacts at100 Amperes. Types KD HKD and KDC Electronic Circuit Breakers with Interchangeable Trip Units See Table 12-176 on Page 12-99 for prices.
