Miniature Circuit Breaker, QO Series, 40A, 1 Pole, 120/240V AC, 10kA at 120/240V AC MPN:QOB140
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Free Shipping
In Stock
Free Shipping
In Stock
SKU
510-G2905576
Miniature Circuit Breaker, QO Series, 40A, 1 Pole, 120/240V AC, 10kA at 120/240V AC
Protect your home or business with the Square D QO Series 40A Miniature Circuit Breaker. This reliable device safeguards against electrical overloads and short circuits, ensuring a safe and efficient electrical system. Ideal for use with Square D NQOD panelboards, it's perfect for residential and commercial applications, including new construction and retrofits. With its compact design and easy-to-use paddle actuator, installation is a breeze. The QO Series 40A Miniature Circuit Breaker offers peace of mind and helps prevent electrical fires, making it an essential component for any electrical panel.
Top product features:
- Trip protection is provided by a 10kA short-circuit current rating at 120/240V AC.
- The circuit breaker has a paddle actuator for easy operation.
- The circuit breaker is bolt-on mountable for secure installation.
Top product applications:
- Residential Electrical Panels
- Industrial Electrical Panels
- Commercial Electrical Panels
Miniature Circuit Breaker, Amps 40 A, AC Voltage Rating 120/240V AC, Circuit Breaker Type Standard, Number of Poles 1, DC Voltage Rating 48V DC, Circuit Breaker Actuator Paddle, Circuit Breaker Mounting Style Bolt On, Compatible Panelboard/Load Center Series QO, Phase Single, Series QOB, Max. AIR Rating 10kA at 120/240V AC, For Use With Square D NQOD Panelboards, Terminal Connection Lug, Frame Size 100A/QO, Length 3.12 in, Width 0.75 in, Depth 2.91 in, Min. Operating Temp. 77 Degrees F
Additional Information
- Country of Origin: MX
- Drop Ship Item: No
- Blind Ship Eligible: No
- LTL Freight Required: No
- Lead Time: Ships in 1 days
- Minimum Order Quantity: 1
- Unit of Measure: EA
- Package Length: 3.50
- Package Width: 3.50
- Package Height: 0.70
- Package Weight: 0.30
Product info last updated on January 13, 2026 1:51pm UTC
Category: Circuit Protection