Square D QOU120VH 20A 240V 1-pole Miniature Circuit Breaker

Product Description

The SQUARE D QOU120VH is a 1-pole miniature circuit breaker rated at 20 amps and 240 VAC, designed for panel mount installation in residential and light commercial electrical distribution systems. It provides overcurrent protection for branch circuits serving air conditioning, refrigeration, and heating equipment. The QOU120VH accepts 14 to 2 AWG wire via box lug terminals, making it compatible with a range of conductor sizes commonly encountered in HVAC and refrigeration service work. Electricians and HVAC technicians install this breaker as a dedicated circuit protection device within a load center or panelboard.

This breaker is suited for branch circuits feeding air conditioning units, refrigeration equipment, and electric heating loads in residential and light commercial applications. Its panel mount design integrates directly into compatible load centers. The box lug terminal connection supports solid or stranded copper conductors from 14 to 2 AWG, covering most dedicated equipment circuit requirements found in field service and new installation work.

Key Features

• 20-amp overcurrent protection rated at 240 VAC
• Single-pole configuration for dedicated branch circuit applications
• Box lug terminal connection accommodates 14 to 2 AWG conductors
• Panel mount design for direct installation in compatible load centers
• Listed for use with air conditioning, refrigeration, and heating equipment
• Meets CSA, IEC, UL, and RoHS compliance standards

Compatibility

Listed for use with air conditioning and refrigeration equipment and heating systems. Designed as an OEM-style panel mount miniature circuit breaker replacement for compatible SQUARE D load center applications where QOU-series breakers are specified.

Installation Notes

Installation must be performed by a licensed electrician in accordance with the National Electrical Code (NEC) and all applicable local codes. De-energize the panelboard and verify the absence of voltage before handling or installing this breaker. Ensure the conductor size and breaker amperage match the circuit load and wire gauge requirements of the equipment being protected. Do not exceed the breaker's rated amperage or voltage when selecting for a circuit application.