Square D QO Series 3-Pole Bolt-On Circuit Breaker with AC Shunt Trip, 120/240VAC, 22kA

Square D QO Series 3-Pole Bolt-On Circuit Breaker with AC Shunt Trip, 120/240VAC, 22kA

The Square D QO Series 3-Pole Bolt-On Circuit Breaker with AC Shunt Trip delivers thermal magnetic overcurrent protection and switching for ac and dc systems. Rated 120/240VAC with a 22kA interrupt rating, this bolt-on breaker uses an over-center, trip-free toggle mechanism with quick-make, quick-break action for dependable performance. UL Listed and CSA certified, it accepts AWG 8...AWG 2 copper or aluminium conductors and is HACR rated, making it suitable for commercial and industrial panelboard installations that require remote shunt-trip switching.

Key Features

• Configuration: 3-pole, bolt-on circuit breaker requiring 4 panelboard spaces.
• Electrical Rating: 120/240VAC operational voltage with a 22kA interrupt rating for demanding overcurrent protection.
• AC Shunt Trip Accessory: Equipped for shunt trip 120/208/240 V AC remote tripping capability.
• Wire Range: Accepts AWG 8...AWG 2 copper or aluminium conductors.
• Trip Mechanism: Over-center, trip-free toggle mechanism with quick-make, quick-break action and positive contact indication.
• HACR Rated: Suitable for heating, air conditioning, and refrigeration equipment circuits.
• Ambient Operation: Rated for 40 °C ambient air temperature operation.
• Series: Part of the Square D QO range of miniature circuit breakers (MCB).

Certifications & Compliance

• UL Listed
• CSA
• RoHS Exemption Information: Yes
• Halogen Free Product
• Green Premium Product

Technical Specifications

• Toxic Heavy Metal Free: Yes
• Warranty Period: 18 months
• Sustainable Packaging: No
• Recycled Metal Content At Cr Level: 0 %
• Poles Description: 3P
• Serviceability: No
• With Recycled Cardboard: No
• Range Of Product: QO
• China ROHS In Scope: No
• Legacy WEEE Scope: In
• Packaging Made With Recycled Cardboard: No
• Without Single Use Plastic: Yes
• ROHS Exemption Information: Yes
• WEEE Product Category: 5
• Warranty: 18 months
• Mercury Free: Yes
• Number Of Spaces Required: 4
• Packaging Without Single Use Plastic: Yes
• ROHS Eur In Scope: Yes

Typical Applications

• Commercial and Industrial Panelboard Circuit Protection
• AC and DC Overcurrent Protection Systems
• HACR Equipment Circuits
• Remote Shunt-Trip Switching Applications
• Renovation and New Construction Electrical Panels

Why Square D?

Square D QO circuit breakers combine a trip-free toggle mechanism with quick-make, quick-break action for dependable, code-compliant overcurrent protection. UL Listed and CSA certified, with Green Premium and halogen-free construction, this bolt-on breaker with AC shunt trip capability is built for reliable performance in commercial and industrial electrical panels.