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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 BQ2B09000S01 is a BQ Series miniature circuit breaker rated 90 A, 120/240V AC, 2-pole with shunt trip and a 10kA interrupting capacity at 120/240V AC. Designed for use in Siemens panelboards, this bolt-on…

SKU 3G-OTH-623732

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
BQ2B09000S01
Type
Shunt Trip
AC
120/240V
Poles
2
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SIEMENS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Siemens BQ2B09000S01 is a BQ Series miniature circuit breaker rated 90 A, 120/240V AC, 2-pole with shunt trip and a 10kA interrupting capacity at 120/240V AC. Designed for use in Siemens panelboards, this bolt-on breaker provides overcurrent protection in a single-phase configuration.

Frequently Asked Questions

What is the Siemens BQ2B09000S01 miniature circuit breaker used for?

The Siemens BQ2B09000S01 is a 90 A, 2-pole miniature circuit breaker with shunt trip, designed for overcurrent protection in Siemens panelboards. It is commonly used in commercial and industrial single-phase electrical distribution systems where reliable fault interruption and remote tripping are required.

What are the specifications of the Siemens BQ2B09000S01?

The Siemens BQ2B09000S01 is rated 90 A at 120/240V AC, 2-pole, single-phase, with a 10kA interrupting capacity at 120/240V AC. It features a shunt trip mechanism and is a bolt-on BQ Series breaker for use in Siemens panelboards. The manufacturer part number is BQ2B09000S01.

Where to buy the Siemens BQ2B09000S01 worldwide?

3G Electric supplies the Siemens BQ2B09000S01 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 for pricing and lead time on this BQ Series breaker.

How to install the Siemens BQ2B09000S01 circuit breaker?

Install the Siemens BQ2B09000S01 by first ensuring the panelboard is de-energized. Securely bolt the breaker onto the Siemens panelboard bus bar, connect line and load conductors to the appropriate terminals, and wire the shunt trip per the manufacturer's diagram. 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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