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SIEMENS Miniature Circuit Breaker: 90 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: 90 A Amps, 120/240V AC, 2 Poles

The Siemens BQ2B090 is a BQ Series miniature circuit breaker, bolt-on type, rated 90 A at 120/240V AC with 2 poles and a 10kA interrupting capacity at 120/240V AC. Designed for use in Siemens panelboards, this Std…

SKU 3G-OTH-623733

Brand
SIEMENS
Item
Miniature Circuit Breaker: 90 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
BQ2B090
Type
Std
AC
120/240V
Poles
2
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SIEMENS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Siemens BQ2B090 is a BQ Series miniature circuit breaker, bolt-on type, rated 90 A at 120/240V AC with 2 poles and a 10kA interrupting capacity at 120/240V AC. Designed for use in Siemens panelboards, this Std type breaker supports single-pole operation. 3G Electric interprets your demand for genuine industrial electrical components, sourcing this Siemens breaker across our 14 departments, with specialist depth in controls to support your panelboard and circuit protection needs.

Frequently Asked Questions

What is the Siemens BQ2B090 miniature circuit breaker used for?

The Siemens BQ2B090 is a 90 A, 2-pole bolt-on miniature circuit breaker rated at 120/240V AC with a 10kA interrupting capacity. It is designed for overcurrent protection in Siemens panelboards, commonly used in commercial and industrial electrical distribution systems.

What are the specifications of the Siemens BQ2B090?

The Siemens BQ2B090 is a BQ Series miniature circuit breaker with 90 A rating, 120/240V AC, 2 poles, bolt-on mounting, and a 10kA interrupting capacity at 120/240V AC. It supports single-pole operation and is intended for use in Siemens panelboards.

Where to buy the Siemens BQ2B090 worldwide?

3G Electric supplies the genuine Siemens BQ2B090 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 to order this breaker for your panelboard application.

How to select the right Siemens miniature circuit breaker for a panelboard?

To select the correct Siemens miniature circuit breaker, match the voltage (120/240V AC), current rating (90 A), pole count (2), and interrupting capacity (10kA) to your panelboard's specifications. Ensure the breaker is bolt-on type for Siemens panelboards. 3G Electric can help verify compatibility.

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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Miniature Circuit Breaker: 70 A Amps, 240V AC, 3 Poles, High Interrupting Capacity (MPN BQ3B070H). Key specifications — attr196014: 70 A; attr196015: 240V AC; attr196017: 22kA at 240V AC; attr196018: Siemens Panelboards; attr196016: Three; attr232503: BQH.
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