Miniature Circuit Breaker, QO Series, 40A, 2 Pole, 120/240V AC, 10kA at 120/240V AC MPN:QOB2401021
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In Stock
Free Shipping
In Stock
SKU
510-G0339796
Miniature Circuit Breaker, QO Series, 40A, 2 Pole, 120/240V AC, 10kA at 120/240V AC
Protect your electrical system with the Square D QO Series Miniature Circuit Breaker, a reliable and efficient solution for residential and commercial applications. This 40A, 2-pole circuit breaker is designed to handle 120/240V AC and 10kA at 120/240V AC, providing maximum protection against overloads and short circuits. Easy to install and use, it features a shunt trip mechanism and a paddle actuator for simple operation. Suitable for Square D NQOD panelboards, this circuit breaker is ideal for use in single-phase systems, providing a safe and reliable electrical distribution solution.
Top product features:
- Trips on overload to prevent electrical fires
- Protects against electrical overloads with a 40A rating
- Detects and interrupts short circuits with a 10kA at 120/240V AC rating
Top product applications:
- Residential Electrical Panels
- Commercial Electrical Panels
- Industrial Electrical Panels
Miniature Circuit Breaker, Amps 40 A, AC Voltage Rating 120/240V AC, Circuit Breaker Type Shunt Trip, Number of Poles 2, 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 2.25 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: 3.60
- Package Width: 3.30
- Package Height: 4.70
- Package Weight: 0.94
Product info last updated on January 15, 2026 7:38am UTC
Category: Circuit Protection