Miniature Circuit Breaker, BL Series, 45A, 3 Pole, 240V AC, 22kA at 240V AC MPN:B345H
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Free Shipping
In Stock
Free Shipping
In Stock
SKU
510-G1570721
Miniature Circuit Breaker, BL Series, 45A, 3 Pole, 240V AC, 22kA at 240V AC
Protect your electrical systems with the Siemens BL Series 45A 3-Pole Miniature Circuit Breaker. Designed for use with Siemens P1 panelboards, this reliable device safeguards against overloads and short circuits, ensuring a safe and efficient electrical supply. With a maximum air rating of 22kA at 240V AC, it provides robust protection in high-current applications. Easy to install and integrate, this circuit breaker is ideal for residential and commercial settings, including electrical panels and load centers. Its compact design and toggle actuator make it a convenient and space-saving solution for a variety of electrical needs and requirements.
Top product features:
- 45A current rating for safe and reliable circuit protection
- 3 Pole design for simultaneous control of three phases
- 22kA maximum air rating for enhanced shock protection
Top product applications:
- Main electrical panel circuit breaker
- P1 panelboard circuit breaker
- 240V AC three-phase power distribution system
Miniature Circuit Breaker, Amps 45 A, AC Voltage Rating 240V AC, Circuit Breaker Type Standard, Number of Poles 3, DC Voltage Rating Not Rated, Circuit Breaker Actuator Toggle, Circuit Breaker Mounting Style Bolt On, Compatible Panelboard/Load Center Series P1, Phase Three, Series BL, Max. AIR Rating 22kA at 240V AC, For Use With Siemens P1 Panelboards, Terminal Connection Lug, Frame Size 125A/BLH, Length 4 in, Width 3 in, Depth 3 in, 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 5 days
- Minimum Order Quantity: 1
- Unit of Measure: EA
- Package Length: 4.00
- Package Width: 3.00
- Package Height: 3.30
- Package Weight: 0.96
Product info last updated on February 12, 2026 12:42pm UTC
Category: Circuit Protection