SIEMENS BQ2B040 BQ Series Bolt-On Miniature Circuit Breaker
The Siemens BQ2B040 is a BQ Series miniature circuit breaker, bolt-on type, rated 40 A at 120/240V AC with 2 poles and a 10kA interrupting capacity at 120/240V AC. Designed for use in Siemens panelboards, this Std…
SKU 3G-OTH-623697
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.
Need installation or engineering help?
Ask a question
Product Description
The Siemens BQ2B040 is a BQ Series miniature circuit breaker, bolt-on type, rated 40 A at 120/240V AC with 2 poles and a 10kA interrupting capacity at 120/240V AC. Designed for use in Siemens panelboards, this Std type breaker features single-pole construction and is part of the BQ & BQH Series.
Frequently Asked Questions
What is the Siemens BQ2B040 miniature circuit breaker used for?
The Siemens BQ2B040 is a bolt-on miniature circuit breaker rated 40 A at 120/240V AC with 2 poles and a 10kA interrupting capacity. It protects branch circuits in Siemens panelboards across industrial and commercial electrical distribution systems, tripping during overloads or short circuits.
What are the specifications of the Siemens BQ2B040?
The Siemens BQ2B040 is a BQ Series miniature circuit breaker with 40 A rating, 120/240V AC voltage, 2 poles, and a 10kA interrupting capacity at 120/240V AC. It is a bolt-on, Std type breaker designed for use in Siemens panelboards, with single-pole construction.
Where to buy the Siemens BQ2B040 worldwide?
3G Electric supplies the Siemens BQ2B040 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 for pricing and lead time on this BQ Series breaker.
How to install the Siemens BQ2B040 circuit breaker?
Install the Siemens BQ2B040 by turning off main power, then bolting the breaker into a compatible Siemens panelboard bus. Ensure the 40 A rating matches the circuit load and wire gauge. Follow standard electrical safety practices and local codes for bolt-on breaker installation.
Used in
Common applications for SIEMENSSIEMENS Products
3G Electric supplies SIEMENS bq & bqh 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.