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SIEMENS Miniature Circuit Breaker: 20 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: 20 A Amps, 240V AC, 3 Poles

The Siemens BQ3B020 is a BQ Series bolt-on miniature circuit breaker rated 20 A, 240V AC, 3 poles, with a 10kA interrupting capacity at 240V AC. Designed for use in Siemens panelboards, this Std-type breaker provides…

SKU 3G-OTH-623675

Brand
SIEMENS
Item
Miniature Circuit Breaker: 20 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
BQ3B020
Type
Std
AC
240V
Poles
3
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SIEMENS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Siemens BQ3B020 is a BQ Series bolt-on miniature circuit breaker rated 20 A, 240V AC, 3 poles, with a 10kA interrupting capacity at 240V AC. Designed for use in Siemens panelboards, this Std-type breaker provides overcurrent protection in industrial electrical distribution systems.

Frequently Asked Questions

What is the Siemens BQ3B020 miniature circuit breaker used for?

The Siemens BQ3B020 is a bolt-on miniature circuit breaker used for overcurrent protection in industrial electrical distribution systems. It is designed for Siemens panelboards and provides reliable circuit interruption at 20 A, 240V AC, making it suitable for branch circuit protection in manufacturing and process facilities.

What are the specifications of the Siemens BQ3B020?

The Siemens BQ3B020 is a BQ Series miniature circuit breaker rated 20 A, 240V AC, with 3 poles and a 10kA interrupting capacity at 240V AC. It is a Std-type bolt-on breaker designed for use in Siemens panelboards, offering dependable overcurrent protection in industrial electrical systems.

Where to buy the Siemens BQ3B020 worldwide?

3G Electric supplies the Siemens BQ3B020 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 for Siemens panelboards.

How to install the Siemens BQ3B020 circuit breaker?

Install the Siemens BQ3B020 by ensuring the panelboard is de-energized, then bolt the breaker securely onto the busbar. Verify torque specifications per Siemens guidelines and confirm the 20 A rating matches the circuit load. Always follow local electrical codes and use proper personal protective equipment during installation.

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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