SIEMENS Miniature Circuit Breaker: 40 A Amps, 120/240V AC, 1 Poles
The Siemens B140 is a 40 A, single-pole miniature circuit breaker from the BL Series, rated for 120/240V AC with a maximum AIR rating of 10kA at 120/240V AC. Designed for bolt-on installation in Siemens P1…
SKU 3G-OTH-722102
Also listed as: B 140 · B-140
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The Siemens B140 is a 40 A, single-pole miniature circuit breaker from the BL Series, rated for 120/240V AC with a maximum AIR rating of 10kA at 120/240V AC. Designed for bolt-on installation in Siemens P1 Panelboards, this standard-type breaker provides overcurrent protection for single-phase branch circuits.
Frequently Asked Questions
What is the Siemens B140 miniature circuit breaker used for?
The Siemens B140 provides overcurrent protection for single-phase branch circuits in residential and light commercial applications. It is designed for bolt-on installation in Siemens P1 Panelboards, safeguarding wiring and equipment from overloads and short circuits at 120/240V AC.
What are the specifications of the Siemens B140 circuit breaker?
The Siemens B140 is a 40 A, single-pole miniature circuit breaker rated for 120/240V AC with a maximum AIR rating of 10kA at 120/240V AC. It is part of the BL Series, standard type, for use with Siemens P1 Panelboards. 3G Electric supplies this genuine Siemens breaker worldwide.
Where to buy the Siemens B140 circuit breaker worldwide?
3G Electric supplies the genuine Siemens B140 miniature circuit breaker to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this 40 A, single-pole breaker for Siemens P1 Panelboards.
How to install the Siemens B140 circuit breaker?
The Siemens B140 is a bolt-on type breaker designed for direct installation into Siemens P1 Panelboards. Ensure the panel is de-energized, align the breaker with the bus bar, and tighten the bolt securely. Follow all local electrical codes and the manufacturer's instructions for safe installation.
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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.
