Miniature Circuit Breaker, QO Series, 45A, 3 Pole, 120/240V AC, 10kA at 120/240V AC MPN:QO345
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In Stock
Free Shipping
In Stock
SKU
510-G0910515
Miniature Circuit Breaker, QO Series, 45A, 3 Pole, 120/240V AC, 10kA at 120/240V AC
Protect your electrical system with the Square D QO Series 45A Miniature Circuit Breaker, designed for use in QO Load Centers and NQ Panelboards. This 3-pole circuit breaker provides 10kA of protection at 120/240V AC, ensuring safe and reliable operation. Its compact size and plug-in mounting style make it easy to install, while its paddle actuator provides convenient access for operation. Ideal for residential and commercial applications, this circuit breaker is perfect for use in garages, workshops, and other areas where high electrical demand is present. Its reliable performance and ease of use make it a valuable addition to any electrical system.
Top product features:
- Breaks overcurrents up to 10kA at 120/240V AC
- Protects against electrical shock with a 3-pole design
- Has a paddle actuator for easy manual reset
Top product applications:
- Residential electrical panel upgrades
- Commercial electrical panel installations
- Industrial electrical panel replacements
Miniature Circuit Breaker, Amps 45 A, AC Voltage Rating 120/240V AC, Circuit Breaker Type Standard, Number of Poles 3, DC Voltage Rating 48V DC, Circuit Breaker Actuator Paddle, Circuit Breaker Mounting Style Plug In, Compatible Panelboard/Load Center Series QO, Phase Three, 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 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: 3.30
- Package Width: 3.10
- Package Height: 2.20
- Package Weight: 0.83
Product info last updated on January 15, 2026 5:11am UTC
Category: Circuit Protection