Miniature Circuit Breaker, QO Series, 40A, 3 Pole, 120/240V AC, 22kA at 120/240V AC MPN:QOB340VH
Discount: See in Cart
Free Shipping
In Stock
Free Shipping
In Stock
SKU
510-G1491725
Miniature Circuit Breaker, QO Series, 40A, 3 Pole, 120/240V AC, 22kA at 120/240V AC
Protect your electrical system with the QO Series 40A 3 Pole Miniature Circuit Breaker from Square D. This high-interrupting capacity breaker is designed for use in Square D NQOD panelboards and provides reliable protection against electrical overloads and short circuits. With a maximum AIR rating of 22kA at 120/240V AC, it's ideal for high-demand applications such as commercial kitchens, garages, and industrial settings. Easy to install and featuring a paddle actuator, this circuit breaker is a convenient and efficient solution for ensuring the safety and integrity of your electrical system.
Top product features:
- Three pole design allows for simultaneous control of three separate circuits
- High Interrupting Capacity rating of 22kA at 120/240V AC provides enhanced protection against electrical surges
- Bolt On mounting style enables easy installation and secure attachment to a panelboard or load center
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 High Interrupting Capacity, Number of Poles 3, DC Voltage Rating Not Rated, Circuit Breaker Actuator Paddle, Circuit Breaker Mounting Style Bolt On, Compatible Panelboard/Load Center Series QO, Phase Three, Series QOB, Max. AIR Rating 22kA 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
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: 3.90
- Package Width: 2.50
- Package Height: 3.30
- Package Weight: 1.05
Product info last updated on February 1, 2026 8:31am UTC
Category: Circuit Protection