Miniature Circuit Breaker, BQ Series, 40A, 1 Pole, 120V AC, 10kA at 120V AC MPN:BQ1B04000S01
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In Stock
Free Shipping
In Stock
SKU
510-G2779953
Miniature Circuit Breaker, BQ Series, 40A, 1 Pole, 120V AC, 10kA at 120V AC
Protect your electrical systems with the reliable Siemens BQ Series 40A Miniature Circuit Breaker. Designed for use with Siemens panelboards, this compact circuit breaker provides efficient and safe switching in a single-pole configuration. With a maximum air rating of 10kA at 120V AC, it can handle demanding applications with ease. CSA certified and UL listed, this breaker meets strict industry standards for safety and performance. Ideal for use in residential and commercial settings, it offers peace of mind for building owners and managers. Its compact size and bolt-on mounting style make installation a breeze, ensuring seamless integration into your electrical system.
Top product features:
- Trips on overload or short circuit
- Protects against electrical shock with a shunt trip mechanism
- Provides a maximum short circuit current rating of 10kA at 120V AC
Top product applications:
- Residential electrical panel upgrades
- Commercial electrical panel upgrades
- Industrial electrical panel upgrades
Miniature Circuit Breaker, Amps 40 A, AC Voltage Rating 120V AC, Circuit Breaker Type Shunt Trip, 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 3 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: 5.50
- Package Width: 4.30
- Package Height: 3.70
- Package Weight: 0.86
Product info last updated on January 13, 2026 2:00pm UTC
Category: Circuit Protection