Miniature Circuit Breaker, QO Series, 40A, 1 Pole, 120/240V AC, 10kA at 120/240V AC MPN:QOB1401021
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Free Shipping
In Stock
Free Shipping
In Stock
SKU
510-G1093452
Miniature Circuit Breaker, QO Series, 40A, 1 Pole, 120/240V AC, 10kA at 120/240V AC
The Square D QO Series 40A Miniature Circuit Breaker is a reliable and efficient solution for protecting your electrical system. Designed for use in Square D NQOD panelboards, this circuit breaker features a 10kA maximum air rating at 120/240V AC, providing superior protection against electrical surges and overloads. Its shunt trip design ensures fast and safe operation, while its paddle actuator provides easy and intuitive operation. Ideal for residential and commercial applications, this circuit breaker is perfect for use in single-phase systems, offering a compact and space-saving design that fits seamlessly into your electrical panel.
Top product features:
- Trips on overload to prevent electrical fires
- Has a shunt trip mechanism for fast and safe shutdown
- Protects against electrical surges with a 10kA maximum air rating
Top product applications:
- Home Electrical Panel Upgrade
- Residential Electrical Circuit Protection
- Commercial Electrical Panel Board Installation
Miniature Circuit Breaker, Amps 40 A, AC Voltage Rating 120/240V AC, Circuit Breaker Type Shunt Trip, 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 1.5 in, Depth 2.91 in, Min. Operating Temp. 77 Degrees F
Additional Information
- Country of Origin: MX
- Drop Ship Item: Yes
- Blind Ship Eligible: No
- LTL Freight Required: No
- Lead Time: Ships in 7 days
- Minimum Order Quantity: 1
- Unit of Measure: EA
- Package Length: 3.80
- Package Width: 3.30
- Package Height: 4.70
- Package Weight: 0.65
Product info last updated on February 1, 2026 1:36am UTC
Category: Circuit Protection