The Square D QOB3201021 is a thermal magnetic circuit breaker that provides overcurrent protection and switching on AC and DC systems. It features an over center, trip free toggle mechanism with quick make/break action and positive handle indication. The VisiTrip trip indication provides a visual indication that the circuit breaker has tripped and interrupted the circuit. Rated at 20A at 120/240VAC with 10kA breaking capacity and bolt on mounting. Includes an AC shunt trip.
Provides overcurrent protection and switching on AC and DC systems
Features a trip-free toggle mechanism with quick make/break action
Includes VisiTrip trip indication for visual fault identification
Product Highlights
This Square D miniature circuit breaker is ideal for use in panelboards for appliance and lighting circuits. It is UL Listed and CSA Certified.