Square D QO™ 3-Pole 3-Phase Standard miniature circuit breaker with Visi-Trip™ indicator, is rated at 20 Amps and 240 Volt AC at 50/60 Hz. Interrupt current rating of this circuit breaker is 10 Kilo-Amps at 240 Volt AC and 5 Kilo-Amps at 48 Volt DC. It measures 2.25 Inch x 2.91 Inch x 3 Inch. This 3-space circuit breaker with pressure plate connection, accommodates aluminum/copper wire of size 14 - 8 AWG. It features common and thermal-magnetic trip function. This HACR rated circuit