Secure Checkout Square D A1B320 – 20A 3 Pole Molded Case Circuit Breaker

Built for commercial distribution, the Square D A1B320 provides 20 amps of 3-pole overcurrent protection. It features a long body design and utilizes proven thermal-magnetic trip technology to protect circuits against overloads and short circuits. This miniature breaker mounts securely into Square D NA1B panelboards using a robust bolt-on connection. It accommodates 14-8 AWG wire via load side lugs. With an interrupting capacity of 10kA at 240VAC, it includes a Visi-Trip indicator.