SIEMENS B345 Miniature Circuit Breaker, 45A, 240V AC, 3-Pole, BL Series
The Siemens B345 is a 45 A, 240V AC, three-pole miniature circuit breaker from the BL Series, designed for bolt-on use with Siemens P1 Panelboards. It has a maximum AIR rating of 10kA at 240V AC and is classified as…
SKU 3G-OTH-722081
Also listed as: B 345 · B-345
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
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Product Description
The Siemens B345 is a 45 A, 240V AC, three-pole miniature circuit breaker from the BL Series, designed for bolt-on use with Siemens P1 Panelboards. It has a maximum AIR rating of 10kA at 240V AC and is classified as a standard type breaker.
Frequently Asked Questions
What is the Siemens B345 miniature circuit breaker used for?
The Siemens B345 is a 45 A, 240V AC, three-pole miniature circuit breaker designed for bolt-on use with Siemens P1 Panelboards. It provides overcurrent protection in commercial and industrial electrical distribution systems, typically in three-phase applications where reliable circuit interruption is required.
What are the specifications of the Siemens B345 circuit breaker?
The Siemens B345 is rated 45 A at 240V AC, three-phase, with three poles. It has a maximum AIR rating of 10kA at 240V AC and is part of the BL Series. This standard-type breaker is designed for bolt-on mounting in Siemens P1 Panelboards.
Where to buy the Siemens B345 circuit breaker worldwide?
3G Electric supplies the Siemens B345 miniature circuit breaker to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us to order this 45 A, 240V AC, three-pole breaker for your Siemens P1 Panelboard.
How to install the Siemens B345 circuit breaker?
Install the Siemens B345 by bolting it directly into a Siemens P1 Panelboard. Ensure the panel is de-energized before installation. Torque the terminal connections to manufacturer specifications and verify the 45 A rating matches your circuit load. Always follow local electrical codes and use qualified personnel.
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Common applications for SIEMENSSIEMENS Products
3G Electric supplies SIEMENS b series, bolt-on siemens miniature circuit breakers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
