Miniature Circuit Breaker, QO Series, 45A, 2 Pole, 120/240V AC, 10kA at 120/240V AC MPN:QO245
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In Stock
Free Shipping
In Stock
SKU
510-G0557435
Miniature Circuit Breaker, QO Series, 45A, 2 Pole, 120/240V AC, 10kA at 120/240V AC
Protect your home or business with the reliable QO Series Miniature Circuit Breaker from Square D. This 45A, 2-pole breaker is designed for use with QO load centers and NQ panelboards, providing a safe and efficient way to control electrical flow. With a maximum AIR rating of 10kA at 120/240V AC, it can withstand even the most demanding applications. Easy to install and use, this circuit breaker features a paddle actuator and plug-in mounting style, making it a great choice for residential and commercial settings. Ensure your electrical system is protected and up to code with this reliable and versatile breaker.
Top product features:
- Protects against overcurrent conditions with a maximum interrupting rating of 10kA at 120/240V AC.
- Has a paddle-style actuator for easy operation.
- Can be mounted in a plug-in style for convenient installation.
Top product applications:
- Residential electrical panel upgrades
- Commercial electrical panel upgrades
- Industrial electrical panel upgrades
Miniature Circuit Breaker, Amps 45 A, AC Voltage Rating 120/240V AC, Circuit Breaker Type Standard, Number of Poles 2, DC Voltage Rating 48V DC, Circuit Breaker Actuator Paddle, Circuit Breaker Mounting Style Plug In, Compatible Panelboard/Load Center Series QO, Phase Single, Series QO, Max. AIR Rating 10kA at 120/240V AC, For Use With QO Load Centers and NQ 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: 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: 3.10
- Package Width: 3.50
- Package Height: 1.50
- Package Weight: 0.57
Product info last updated on February 23, 2026 5:59pm UTC
Category: Circuit Protection