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SIEMENS Miniature Circuit Breaker: 100 A Amps, 277V AC, 1 Poles - BQD Series, Bolt-On Siemens Miniature Circuit Breakers
SIEMENSBQD Series, Bolt-On Siemens Miniature Circuit Breakers

SIEMENS Miniature Circuit Breaker: 100 A Amps, 277V AC, 1 Poles

The Siemens BQD Series Miniature Circuit Breaker (MPN BQD1100) is a 100 A, 277V AC, single-pole bolt-on breaker with a 14kA interrupting capacity at 277V AC. Designed for use in Siemens P1 Panelboards, this Std type…

SKU 3G-OTH-725623

Brand
SIEMENS
Item
Miniature Circuit Breaker: 100 A Amps, 277V AC, 1 Poles
Category
BQD Series, Bolt-On Siemens Miniature Circuit Breakers
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Technical Specifications

SIEMENS
Manufacturer Part Number
BQD1100
Type
Std
AC
277V
Poles
1
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SIEMENS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Siemens BQD Series Miniature Circuit Breaker (MPN BQD1100) is a 100 A, 277V AC, single-pole bolt-on breaker with a 14kA interrupting capacity at 277V AC. Designed for use in Siemens P1 Panelboards, this Std type unit provides overcurrent protection in a compact 1-pole format.

Frequently Asked Questions

What is the Siemens BQD1100 miniature circuit breaker used for?

The Siemens BQD1100 is a 100 A, single-pole bolt-on miniature circuit breaker used for overcurrent protection in Siemens P1 Panelboards. It is commonly applied in commercial and industrial electrical distribution systems where reliable branch circuit protection is required at 277V AC.

What are the specifications of the Siemens BQD1100 circuit breaker?

The Siemens BQD1100 is rated 100 A at 277V AC, single-pole, with a 14kA interrupting capacity at 277V AC. It is a bolt-on type, Std (standard) trip unit, designed for use in Siemens P1 Panelboards. The manufacturer part number is BQD1100.

Where to buy the Siemens BQD1100 circuit breaker worldwide?

3G Electric supplies the Siemens BQD1100 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 a quote and lead time on this genuine Siemens part.

How to install a Siemens BQD1100 bolt-on circuit breaker?

Installation of the Siemens BQD1100 requires the breaker to be bolted directly onto the bus bars of a compatible Siemens P1 Panelboard. Ensure the panel is de-energized, torque the terminal connections to manufacturer specifications, and verify the 100 A rating matches the circuit design before energizing.

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 bqd 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: 45 A Amps, 480V AC, 2 Poles, Std (MPN BQD245). Key specifications — attr196014: 45 A; attr196015: 480V AC; attr196017: 14kA at 480V AC; attr196018: Siemens P1 Panelboards; attr196016: Single; attr232503: BQD.
Miniature Circuit Breaker: 80 A Amps, 480V AC, 2 Poles, Std (MPN BQD280). Key specifications — attr196014: 80 A; attr196015: 480V AC; attr196017: 14kA at 480V AC; attr196018: Siemens P1 Panelboards; attr196016: Single; attr232503: BQD.
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