Challenger A120LN Molded Case Circuit Breaker is a Type A, single-pole, 20 A, 120 V molded-case breaker designed for Challenger A-series panels. It provides 10 kA at 120 V interrupting capacity and uses thermal-magnetic trip protection with separate long-time and instantaneous trip elements rated for 40°C ambient. The plug-in unit features a left-side spring mounting, aligning with Challenger's A-series installation conventions for 1-pole 120 V circuits.
