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SIEMENS Miniature Circuit Breaker: 50 A Amps, 120V AC, 1 Poles - BQ & BQH Series, Bolt-On Siemens Miniature Circuit Breakers
SIEMENSBQ & BQH Series, Bolt-On Siemens Miniature Circuit Breakers

SIEMENS Miniature Circuit Breaker: 50 A Amps, 120V AC, 1 Poles

The Siemens BQ1B050 is a BQ Series miniature circuit breaker, bolt-on type, rated 50 A at 120V AC with a single-pole configuration and a 10kA interrupting capacity at 120V AC. Designed for use in Siemens panelboards…

SKU 3G-OTH-623707

Brand
SIEMENS
Item
Miniature Circuit Breaker: 50 A Amps, 120V AC, 1 Poles
Category
BQ & BQH Series, Bolt-On Siemens Miniature Circuit Breakers
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Technical Specifications

SIEMENS
Manufacturer Part Number
BQ1B050
Type
Std
AC
120V
Poles
1
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SIEMENS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Siemens BQ1B050 is a BQ Series miniature circuit breaker, bolt-on type, rated 50 A at 120V AC with a single-pole configuration and a 10kA interrupting capacity at 120V AC. Designed for use in Siemens panelboards, this Std type breaker provides overcurrent protection in a compact 1-pole form factor.

Frequently Asked Questions

What is the Siemens BQ1B050 miniature circuit breaker used for?

The Siemens BQ1B050 is a bolt-on miniature circuit breaker used for overcurrent protection in Siemens panelboards. It is rated 50 A at 120V AC with a 10kA interrupting capacity, making it suitable for commercial and industrial electrical distribution systems requiring reliable branch-circuit protection.

What are the specifications of the Siemens BQ1B050?

The Siemens BQ1B050 is a single-pole, 50 A miniature circuit breaker rated 120V AC with a 10kA interrupting capacity at 120V AC. It is a Std type, bolt-on design from the BQ Series, intended for use in Siemens panelboards. The manufacturer part number is BQ1B050.

Where to buy the Siemens BQ1B050 worldwide?

3G Electric supplies the Siemens BQ1B050 miniature circuit breaker to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this genuine Siemens BQ Series breaker.

How to install the Siemens BQ1B050 circuit breaker?

Install the Siemens BQ1B050 by ensuring the panelboard is de-energized, then snap the bolt-on breaker onto the bus bar and tighten the terminal screws to the specified torque. Always follow Siemens installation instructions and local electrical codes for safe overcurrent protection setup.

Used in

Common applications for SIEMENS
District cooling plants — LME73 + RWF55 for condenser-water modulation
Inflight catering and food-processing steam boilers — LMG22 with SQN90 air-fuel cross-damper
Hospital steam-plant redundancy — LME41 with QRA2 UV flame detection for dual-fuel boilers
Semiconductor fab process heat — LME23 and SKP55 gas valves on hot-oil heater skids
Container-terminal reefer-deck heating — LMG22 retrofit onto legacy burner racks

SIEMENS 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.

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