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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 BQH Series Miniature Circuit Breaker (MPN BQ1B050H) is a 50 A, single-pole, bolt-on unit rated 120V AC with a high interrupting capacity of 22kA at 120V AC. Designed for use in Siemens Panelboards, this…

SKU 3G-OTH-623708

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
BQ1B050H
Type
High Interrupting Capacity
AC
120V
Poles
1
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SIEMENS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Siemens BQH Series Miniature Circuit Breaker (MPN BQ1B050H) is a 50 A, single-pole, bolt-on unit rated 120V AC with a high interrupting capacity of 22kA at 120V AC. Designed for use in Siemens Panelboards, this BQ & BQH Series breaker provides overcurrent protection in a compact, bolt-on form factor.

Frequently Asked Questions

What is the Siemens BQ1B050H miniature circuit breaker used for?

The Siemens BQ1B050H is a 50 A, single-pole, bolt-on miniature circuit breaker rated 120V AC with a 22kA interrupting capacity. It provides overcurrent protection in Siemens Panelboards for commercial and industrial electrical distribution systems.

What are the specifications of the Siemens BQ1B050H circuit breaker?

The Siemens BQ1B050H is a 50 A, single-pole, bolt-on miniature circuit breaker rated 120V AC. It has a high interrupting capacity of 22kA at 120V AC and is part of the BQH Series, designed for use in Siemens Panelboards.

Where to buy the Siemens BQ1B050H circuit breaker worldwide?

3G Electric supplies the Siemens BQ1B050H miniature circuit breaker worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us to order this 50 A, 120V AC, single-pole breaker.

How to install the Siemens BQ1B050H bolt-on circuit breaker?

Install the Siemens BQ1B050H by ensuring the panelboard is de-energized. Align the bolt-on terminals with the bus bar, tighten securely to the specified torque, and verify the 50 A rating matches the circuit requirements. Follow Siemens installation instructions for BQH Series breakers.

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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