Miniature Circuit Breaker, BQ Series, 45A, 1 Pole, 120V AC, 10kA at 120V AC MPN:BQ1B045
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In Stock
Free Shipping
In Stock
SKU
510-G3255795
Miniature Circuit Breaker, BQ Series, 45A, 1 Pole, 120V AC, 10kA at 120V AC
Protect your electrical systems with the Siemens BQ Series 45A Miniature Circuit Breaker, designed for use in Siemens panelboards. This reliable device safeguards against overloads and short circuits, ensuring a safe and efficient electrical supply. With a 10kA maximum air rating at 120V AC, it provides robust protection against power surges. Ideal for applications in commercial and industrial settings, this circuit breaker is CSA certified, HACR rated, and UL listed, meeting rigorous industry standards. Its compact design and easy installation make it a convenient choice for a wide range of electrical projects.
Top product features:
- Trip protection with a maximum AIR rating of 10kA at 120V AC
- Circuit protection for 45A of AC current
- Mounting via bolt-on design for easy installation
Top product applications:
- Industrial control panels
- Commercial building electrical systems
- Heavy equipment and machinery electrical systems
Miniature Circuit Breaker, Amps 45 A, AC Voltage Rating 120V AC, Circuit Breaker Type Standard, Number of Poles 1, DC Voltage Rating Not Rated, Circuit Breaker Actuator Toggle, Circuit Breaker Mounting Style Bolt On, Phase Single, Series BQ, Max. AIR Rating 10kA at 120V AC, For Use With Siemens Panelboards, Terminal Connection Lug, Frame Size 125A/BQ, Length 1 in, Width 2 in, Depth 4 in, Min. Wire Size 8 AWG, Max. Wire Size 4 AWG (Al), 6 AWG (Cu), Standards CSA Certified, HACR Rated, UL Listed
Additional Information
- Country of Origin: MX
- Drop Ship Item: Yes
- Blind Ship Eligible: No
- LTL Freight Required: No
- Lead Time: Ships in 25 days
- Minimum Order Quantity: 1
- Unit of Measure: EA
- Package Length: 3.70
- Package Width: 3.00
- Package Height: 1.00
- Package Weight: 0.35
Product info last updated on February 21, 2026 12:07pm UTC
Category: Circuit Protection