Square D QOB320 – 20A 3 Pole Miniature Circuit Breaker Fast Shipping

Built to handle standard commercial loads, this 20-amp, three-pole unit offers reliable thermal-magnetic protection with a 10kA interrupting capacity. The robust construction includes the signature Visi-Trip indicator, allowing maintenance personnel to quickly spot tripped circuits. It fastens securely into Square D NQ and NQOD panelboards via a sturdy bolt-on connection. This HACR-rated component is suitable for heating, air conditioning, and refrigeration equipment circuits.