Miniature Circuit Breaker, BQ Series, 40A, 2 Pole, 120/240V AC, 10kA at 120/240V AC MPN:BQ2B04000S01
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In Stock
Free Shipping
In Stock
SKU
510-G2458705
Miniature Circuit Breaker, BQ Series, 40A, 2 Pole, 120/240V AC, 10kA at 120/240V AC
Protect your electrical panel with the reliable Siemens BQ Series Miniature Circuit Breaker. Designed for use with Siemens panelboards, this 40A, 2-pole circuit breaker offers enhanced safety and efficiency. With a maximum air rating of 10kA at 120/240V AC, it can handle high voltage surges, minimizing damage to your electrical system. Perfect for residential and commercial applications, this circuit breaker is easy to install and maintain, thanks to its bolt-on mounting style and lug terminal connections. Its compact design (3 x 4 x 6 inches) makes it ideal for space-constrained areas, providing peace of mind for your electrical needs.
Top product features:
- Trips automatically in case of an overload or short circuit
- Protects against overcurrent up to 40A
- Interrupts power supply in 2-4 milliseconds
Top product applications:
- Home electrical panel upgrades
- Commercial electrical panel upgrades
- Industrial electrical panel upgrades
Miniature Circuit Breaker, Amps 40 A, AC Voltage Rating 120/240V AC, Circuit Breaker Type Shunt Trip, Number of Poles 2, DC Voltage Rating Not Rated, Circuit Breaker Actuator Toggle, Circuit Breaker Mounting Style Bolt On, Phase Single, Series BQ, Max. AIR Rating 10kA at 120/240V AC, For Use With Siemens Panelboards, Terminal Connection Lug, Frame Size 125A/BQ, Length 3 in, Width 4 in, Depth 6 in, Max. Operating Temp. 104 Degrees F, Min. Wire Size 8 AWG, Max. Wire Size 4 AWG (Al), 6 AWG (Cu)
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: 1.18
Product info last updated on January 13, 2026 12:04pm UTC
Category: Circuit Protection