QO240 | Schneider Electric QO Series 40A 120/240V 2-Pole Thermal Magnetic Circuit Breaker

Schneider Electric · HMIs & Displays

Description The Schneider Electric QO240 is a 40-amp miniature circuit breaker designed for dependable overcurrent protection in 120/240-volt single-phase electrical systems. Its thermal-magnetic trip mechanism ensures fast and accurate response to overloads and short-circuit conditions, making it suitable for residential and commercial panel installations.     Technical Specifications  Condition New/Never Used Surplus Brand Schneider Electric Category Circuit Breaker Part Number QO240 Subcategory Molded Case Circuit Breaker Amperage Rating 40 A Connection Type Box Lug Dimensions 2.91 in L × 1.5 in W × 3 in H Frame QO Frequency Rating 50/60 Hz Interrupt Rating 10 kA Mounting Type Plug-On Number of Poles 2 Phase 1 Temperature Rating 40°C (104°F) Trip Type Thermal Magnetic Type Standard Voltage Rating 120/240 VAC Wire Size 8 to 2 AWG Application Residential & Commercial Overcurrent Protection     Information About QO240 The QO240 is a two-pole breaker from Schneider Electric’s QO Series engineered for reliable branch-circuit protection in 120/240-volt systems. With a 40-amp rating and a 10 kA interrupt capacity, it provides dependable safeguarding against overloads and short-circuits across a wide range of residential and commercial installations. Its plug-on mounting design ensures quick, secure installation in compatible QO load centers, while box-lug terminals support solid conductor retention for 8–2 AWG wiring. The compact molded-case form factor and 40°C operating rating make the QO240 an ideal fit for standard electrical panel environments requiring durable and efficient circuit protection. Key Features 40A Two-Pole Protection: Supports higher-demand residential and commercial branch circuits requiring reliable overcurrent protection. Thermal-Magnetic Trip System: Provides precise overload sensing and instantaneous short-circuit response for comprehensive protection. Plug-On Mounting Interface: Enables quick installation and strong engagement within Schneider Electric QO panelboards. 10 kA Interrupt Rating: Ensures safe clearing of fault currents in typical residential and commercial settings. Box Lug Terminals: Accommodates 8–2 AWG conductors for secure wiring connections. Compact QO Frame: Fits standard panel configurations without sacrificing performance or durability. 40°C Temperature Rating: Suitable for common indoor electrical environments. 120/240 VAC Compatibility: Supports a wide range of single-phase circuits used in modern electrical systems. The QO240 delivers the reliability and precision required for overcurrent protection in residential and commercial 120/240-volt applications.

Brand: Schneider Electric · Category: HMIs & Displays

Key features

• 40A Two-Pole Protection: Supports higher-demand residential and commercial branch circuits requiring reliable overcurrent protection.
• Thermal-Magnetic Trip System: Provides precise overload sensing and instantaneous short-circuit response for comprehensive protection.
• Plug-On Mounting Interface: Enables quick installation and strong engagement within Schneider Electric QO panelboards.
• 10 kA Interrupt Rating: Ensures safe clearing of fault currents in typical residential and commercial settings.
• Box Lug Terminals: Accommodates 8–2 AWG conductors for secure wiring connections.
• Compact QO Frame: Fits standard panel configurations without sacrificing performance or durability.
• 40°C Temperature Rating: Suitable for common indoor electrical environments.
• 120/240 VAC Compatibility: Supports a wide range of single-phase circuits used in modern electrical systems.

Specifications

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