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Square D

Square D QO140/QOB140 Single-Pole Circuit Breaker 40 Amps 120/240V 10 kA

Square D QO140/QOB140 Single-Pole Circuit Breaker 40 Amps 120/240V 10 kA

 Manufacturer: Square D

Catalogue Number: QO140/QOB140

Application: A high-performance, single-pole circuit breaker designed for residential, commercial, and light industrial applications. Part of the QO series, this breaker is known for fast tripping, reliable protection, and durable construction. Residential circuit protection (lighting, outlets, small appliances). Light commercial applications (office lighting, light industrial equipment). Backup protection in panels for sensitive devices.

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  • Included on All Generators

    • Serviced
    • 30 Day Warranty
    • Load Tested
  • Shipping & Returns

    Shipping can be provided at an extra cost. No Returns