64 1-/3-Phase Main/sub-feed circuit breaker kit has current rating of 125-Amps, voltage rating of 480-Volts and interrupt rating of 25-Kilo-Amps. It is suitable for use with PRL1A/PRL2A panelboards and distribution. This bottom-feed kit includes circuit breaker and terminals. It offers bottom mounting. FD Frame main/subfeed circuit breaker kit accepts 4 - 4/0-AWG aluminum/copper wire.