QO240 - Square D 40 Amp 2 Pole 120/240VAC QO Series Plug-In Circuit Breaker, 10kAIC, Thermal Magnetic Trip, UL/CSA

QO240

QO240 is a Square D 2 pole, 40 amp, 120/240VAC plug-in circuit breaker designed for reliable overload and short circuit protection in residential and light commercial applications.

This QO Series miniature circuit breaker features a thermal magnetic trip unit for both long-time and instantaneous protection, a 10kA interrupting rating, and a compact, plug-in design for easy installation in compatible QO load centers. It is UL and CSA certified for safety and compliance.

Key Specifications
• Amperage: 40A
• Voltage: 120/240VAC
• Poles: 2
• Mounting Type: Plug-In
• Interrupt Rating: 10kAIC at 120/240VAC
• Series/Frame: QO
• Trip Unit: Thermal Magnetic (LI - Long-Time and Instantaneous)
• Certifications: UL Listed, CSA Certified
• Connection: Box lugs
• Wire Range: 8 to 2 AWG (copper/aluminum)
• Dimensions: 3.11" H x 1.5" W x 2.91" D
• Temperature Rating: 40°C

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Specifications

• Part Number: QO240
• Manufacturer : Schneider Electric
• Brand : Square D
• Category : Circuit Breaker
• Item Subcategory : Molded Case
• Family : QO SEries
• Type : QO
• Voltage : 120/240
• Amperage : 40
• Phase : 1
• Poles : 2
• AIC rating : 10kA@240V
• Connection : Plug-In
• Functions : LI - Long-Time and Instantaneous Trip
• Terminal Connection : Lug
• Frame Size : 100A/QO
• Temp Rating : -13–158 °F (-25–70 °C)
• MCM Size : Min. Wire Size 1/0 AWG Max. Wire Size 300 MCM
• Breaker Type : Standard
• Protection : Thermal Magnetic

Product Data

• UPC : 785901400486
• GTIN : 78590140048600
• Country of Origin : Mexico
• Dimensions : 3.1 in (79 mm) x 1.5 in (38 mm) x 2.9 in (74 mm) (Height x Width x Depth)
• Weight : 0.57 lb
• Panel Type : QO Load Centers and NQ Panelboards
• Standards : CSA Certified, HACR, UL Listed
• Certification : HACR, UL Listed
• Wire Size : AWG 8 to AWG 2, Copper/Aluminum