Miniature Circuit Breaker, QO Series, 45A, 1 Pole, 120/240V AC, 10kA at 120/240V AC MPN:QOB145
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In Stock
Free Shipping
In Stock
SKU
510-G0245217
Miniature Circuit Breaker, QO Series, 45A, 1 Pole, 120/240V AC, 10kA at 120/240V AC
The Square D QO Series Miniature Circuit Breaker is a reliable and efficient solution for protecting electrical circuits in a variety of applications. With a 45A rating and 120/240V AC compatibility, it's suitable for use in residential, commercial, and industrial settings. This circuit breaker features a 10kA air rating, ensuring maximum protection against electrical surges. Its compact design and bolt-on mounting style make it easy to install and integrate with Square D NQOD panelboards. Ideal for use in single-phase systems, this miniature circuit breaker is a valuable addition to any electrical panel, providing peace of mind and safeguarding against electrical hazards.
Top product features:
- Protects against electrical overloads with a 10kA short-circuit rating at 120/240V AC
- Cuts power to a circuit when an overload or short circuit is detected
- Mounts securely to a Square D NQOD panelboard with a bolt-on design
Top product applications:
- Home Electrical Panel Installation
- Industrial Electrical Panel Installation
- Commercial Electrical Panel Installation
Miniature Circuit Breaker, Amps 45 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: KR
- 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: 3.40
- Package Height: 0.90
- Package Weight: 0.30
Product info last updated on January 15, 2026 12:48am UTC
Category: Circuit Protection