Miniature Circuit Breaker, BQ Series, 45A, 2 Pole, 120/240V AC, 10kA at 120/240V AC MPN:BQ2B045
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In Stock
Free Shipping
In Stock
SKU
510-G0349492
Miniature Circuit Breaker, BQ Series, 45A, 2 Pole, 120/240V AC, 10kA at 120/240V AC
Protect your electrical panel with the Siemens BQ Series Miniature Circuit Breaker, designed for reliable and efficient power distribution. This 45A, 2-pole circuit breaker is suitable for use in Siemens panelboards and can handle a maximum air rating of 10kA at 120/240V AC. Its compact size (2x3x4 in) makes it ideal for applications where space is limited. The BQ Series circuit breaker offers improved safety and reduced maintenance costs, making it a valuable addition to any electrical system. Suitable for a variety of applications, including commercial and industrial settings, this circuit breaker provides peace of mind and reliable performance.
Top product features:
- Breaks circuit in case of overload or short circuit
- Protects against electrical shock with 2-pole design
- Interrupts power supply up to 10kA at 120/240V AC
Top product applications:
- Residential Electrical Panel Upgrade
- Commercial Building Lighting System Installation
- Industrial Facility Electrical Distribution System Upgrade
Miniature Circuit Breaker, Amps 45 A, AC Voltage Rating 120/240V AC, Circuit Breaker Type Standard, 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 2 in, Width 3 in, Depth 4 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 20 days
- Minimum Order Quantity: 1
- Unit of Measure: EA
- Package Length: 4.00
- Package Width: 2.00
- Package Height: 3.00
- Package Weight: 0.68
Product info last updated on February 1, 2026 10:19am UTC
Category: Circuit Protection