Square D QOM 2-Pole Main Circuit Breaker, 120/240VAC

Square D QOM 2-Pole Main Circuit Breaker, 120/240VAC

The Square D QOM 2-Pole Main Circuit Breaker is engineered for use with metering devices, delivering reliable overcurrent protection and switching on ac systems. Rated 120/240VAC with a 22kA interrupting rating, this bolt-on breaker is available across a Motor FLA range from 100-225A, with 200A as one of the standard configurations, so installers can match the rating to the panel's protection requirements. Part of the QO range, it is UL Listed and CSA certified for code-compliant residential installations.

Key Features

• Configuration: 2-pole (2P) main breaker designed for metering devices with bolt-on mounting.
• Electrical Rating: 120/240VAC operational voltage with a 22kA interrupting rating for dependable overcurrent protection.
• Motor FLA Range: Offered from 100-225A, including a 200A configuration, to suit a range of load center protection needs.
• Wire Range: Accepts AWG 4...300 kcmil copper or aluminum conductors with a tightening torque of 6-6 N.m (AWG 12...AWG 2/0).
• Connection Type: Lug connection for straightforward termination.
• Trip Mechanism: Over-center, trip-free toggle with quick-make, quick-break action for positive contact operation.
• Plug-On Neutral Design: Shorter footprint for faster panel installs.
• Enclosure Material: Steel construction.
• Application: Functions as a primary main breaker on 1 phase systems.

Certifications & Compliance

• UL Listed
• CSA Certified
• RoHS EU In Scope
• Green Premium Product

Technical Specifications

• Standards: CSA
• Series: QO
• Country of Origin: Mexico
• Toxic Heavy Metal Free: Yes
• Warranty: 18 months
• Sustainable Packaging: No
• Mercury Free: Yes
• Packaging Without Single Use Plastic: No
• ROHS Eur In Scope: Yes
• Recycled Metal Content At Cr Level: 0 %
• Poles Description: 2P
• Serviceability: No
• Range Of Product: QO
• Returnability: Yes
• Legacy WEEE Scope: In
• Circuit Breaker Application: Primary main breaker
• Electrical Connection: Lugs
• Phase: 1 phase
• Motor FLA Range: 100-225A (includes 200A)

Typical Applications

• Residential Load Center Main Breaker Installations
• Metering Device Panel Applications
• AC Overcurrent Protection Systems
• Panelboard and Load Center Wiring
• New Construction and Renovation Electrical Panels

Why Square D?

Square D QO circuit breakers are engineered with steel enclosures, halogen-free plastic parts, and Green Premium reporting status, reflecting a commitment to durable, code-compliant construction. Backed by an 18-month warranty and UL Listed / CSA certification, this main breaker series delivers dependable overcurrent protection for residential metering applications across its full Motor FLA range.