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SIEMENS Miniature Circuit Breaker: 40 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: 40 A Amps, 240V AC, 3 Poles

The Siemens BQ3B040H is a BQH Series, bolt-on miniature circuit breaker rated 40 A, 240V AC, three-pole, with a high interrupting capacity of 22kA at 240V AC. Designed for use in Siemens panelboards, this 3-pole…

SKU 3G-OTH-623702

Brand
SIEMENS
Item
Miniature Circuit Breaker: 40 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
BQ3B040H
Type
High Interrupting Capacity
AC
240V
Poles
3
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SIEMENS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Siemens BQ3B040H is a BQH Series, bolt-on miniature circuit breaker rated 40 A, 240V AC, three-pole, with a high interrupting capacity of 22kA at 240V AC. Designed for use in Siemens panelboards, this 3-pole breaker provides overcurrent protection in industrial electrical distribution systems.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the Siemens BQ3B040H miniature circuit breaker used for?

The Siemens BQ3B040H is a BQH Series bolt-on miniature circuit breaker used for overcurrent protection in industrial electrical distribution systems. It is designed for installation in Siemens panelboards, providing reliable circuit interruption at 240V AC with a high interrupting capacity of 22kA.

What are the specifications of the Siemens BQ3B040H?

The Siemens BQ3B040H is a three-pole miniature circuit breaker rated 40 A at 240V AC. It offers a high interrupting capacity of 22kA at 240V AC and is part of the BQH Series. This bolt-on breaker is designed for use in Siemens panelboards for industrial overcurrent protection.

Where to buy the Siemens BQ3B040H worldwide?

3G Electric supplies the Siemens BQ3B040H 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 to order this BQH Series breaker for your electrical distribution needs.

How to install the Siemens BQ3B040H miniature circuit breaker?

Install the Siemens BQ3B040H by mounting it as a bolt-on breaker in a compatible Siemens panelboard. Ensure the circuit is de-energized, torque connections to manufacturer specifications, and verify the 40 A rating matches your load. Always follow local electrical codes and Siemens installation guidelines 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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