Square D FA22040AB I-Line Circuit Breaker 40 Amp 2-Pole 240V 10kA AB-Phase USED

This is a reliable, industrial-grade Square D FA22040AB molded case circuit breaker from the sought-after I-Line family. Designed specifically for I-Line panelboards, this breaker features the signature plug-on mounting system that allows for fast installation with just a screwdriver. Amperage: 40 Amp Voltage: 240 VAC / 250 VDC Interrupting Rating (AIC): 10kA @ 240V Phase Connection: AB Phase (Important for ensuring proper load balancing in your I-Line panel) Mounting: I-Line Style Plug-In Protection Type: Thermal-Magnetic with LI (Long-Time & Instantaneous) trip functions Wire Size Compatibility: #14 - 1/0 (CU) or #12 - 1/0 (AL)