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SIEMENS Miniature Circuit Breaker: 20 A Amps, 120/240V AC, 2 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, 120/240V AC, 2 Poles

The Siemens BQ2B020 is a BQ Series miniature circuit breaker, bolt-on type, rated 20 A at 120/240V AC with 10kA interrupting capacity. This 2-pole, single-phase unit is designed for use in Siemens panelboards…

SKU 3G-OTH-623667

Brand
SIEMENS
Item
Miniature Circuit Breaker: 20 A Amps, 120/240V AC, 2 Poles
Category
BQ & BQH Series, Bolt-On Siemens Miniature Circuit Breakers
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Technical Specifications

SIEMENS
Manufacturer Part Number
BQ2B020
Type
Std
AC
120/240V
Poles
2
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SIEMENS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Siemens BQ2B020 is a BQ Series miniature circuit breaker, bolt-on type, rated 20 A at 120/240V AC with 10kA interrupting capacity. This 2-pole, single-phase unit is designed for use in Siemens panelboards, providing overcurrent protection in industrial electrical distribution.

Frequently Asked Questions

What is the Siemens BQ2B020 miniature circuit breaker used for?

The Siemens BQ2B020 is a bolt-on miniature circuit breaker used for overcurrent protection in industrial electrical distribution. It is designed for Siemens panelboards and provides reliable circuit interruption at 20 A, 120/240V AC, making it suitable for branch circuits in manufacturing and facility power systems.

What are the specifications of the Siemens BQ2B020?

The Siemens BQ2B020 is a 2-pole, single-phase miniature circuit breaker rated 20 A at 120/240V AC with a 10kA interrupting capacity. It is a bolt-on type from the BQ Series, designed for use in Siemens panelboards. The part number is BQ2B020.

Where to buy the Siemens BQ2B020 worldwide?

3G Electric supplies the Siemens BQ2B020 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.

How to install the Siemens BQ2B020 circuit breaker?

Install the Siemens BQ2B020 by ensuring the panelboard is de-energized, then bolt the breaker securely onto the bus bar. Torque terminals to manufacturer specifications for the 20 A, 120/240V AC circuit. Always follow local electrical codes and use proper personal protective equipment.

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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