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SIEMENS Miniature Circuit Breaker: 50 A Amps, 240V AC, 3 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, 240V AC, 3 Poles

The Siemens BQH Series BQ3B050H is a 50 A, 240V AC, three-pole miniature circuit breaker with high interrupting capacity (22kA at 240V AC). Designed for bolt-on mounting in Siemens panelboards, this BQ & BQH Series…

SKU 3G-OTH-623711

Brand
SIEMENS
Item
Miniature Circuit Breaker: 50 A Amps, 240V AC, 3 Poles
Category
BQ & BQH Series, Bolt-On Siemens Miniature Circuit Breakers
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Technical Specifications

SIEMENS
Manufacturer Part Number
BQ3B050H
Type
High Interrupting Capacity
AC
240V
Poles
3
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SIEMENS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Siemens BQH Series BQ3B050H is a 50 A, 240V AC, three-pole miniature circuit breaker with high interrupting capacity (22kA at 240V AC). Designed for bolt-on mounting in Siemens panelboards, this BQ & BQH Series breaker provides overcurrent protection for industrial electrical distribution systems.

Frequently Asked Questions

What is the Siemens BQ3B050H miniature circuit breaker used for?

The Siemens BQ3B050H is a 50 A, 240V AC, three-pole miniature circuit breaker with high interrupting capacity (22kA at 240V AC). It provides overcurrent protection in industrial electrical distribution systems and is designed for bolt-on mounting in Siemens panelboards.

What are the specifications of the Siemens BQ3B050H?

The Siemens BQ3B050H is rated 50 A at 240V AC, three poles, with a high interrupting capacity of 22kA at 240V AC. It is part of the BQH Series and designed for bolt-on mounting in Siemens panelboards. The manufacturer part number is BQ3B050H.

Where to buy the Siemens BQ3B050H worldwide?

3G Electric supplies the Siemens BQ3B050H miniature circuit breaker worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us to order this BQH Series breaker for your electrical distribution needs.

How to install the Siemens BQ3B050H in a panelboard?

The Siemens BQ3B050H is a bolt-on type breaker designed for Siemens panelboards. Ensure the panel is de-energized, align the breaker with the bus bars, and tighten the mounting screws to the specified torque. Follow Siemens installation instructions and local electrical codes for safe operation.

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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