53 Type THQC 1-Pole miniature circuit breaker is rated at 20-Amps and 120/240-Volt AC. Interrupt current rating of this circuit breaker is 10-Kilo-Amps at 120/240-Volt AC. It measures 1-Inch x 2-3/8-Inch x 3-9/32-Inch. This 1-Phase circuit breaker with lug-in/lug-out connection, accommodates 14 - 8-AWG copper wire and 12 - 8-AWG aluminum wire. This Q-Line frame circuit breaker features LI, internal common, non-interchangeable and fixed thermal-magnetic trip function to ensure reliability. It offers guaranteed performance in reverse feed application. Circuit breaker supports 35-mm DIN rail mounting. It is perfect for residential and commercial applications. Circuit breaker is UL listed.