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SIEMENS Miniature Circuit Breaker: 20 A Amps, 480V AC, 3 Poles - BQD Series, Bolt-On Siemens Miniature Circuit Breakers
SIEMENSBQD Series, Bolt-On Siemens Miniature Circuit Breakers

SIEMENS Miniature Circuit Breaker: 20 A Amps, 480V AC, 3 Poles

The Siemens BQD Series Miniature Circuit Breaker (MPN BQD320) is a 20 A, 480V AC, 3-pole bolt-on breaker with a 14kA interrupting capacity at 480V AC, designed for use in Siemens P1 Panelboards. 3G Electric…

SKU 3G-OTH-725631

Brand
SIEMENS
Item
Miniature Circuit Breaker: 20 A Amps, 480V AC, 3 Poles
Category
BQD Series, Bolt-On Siemens Miniature Circuit Breakers
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Technical Specifications

SIEMENS
Manufacturer Part Number
BQD320
Type
Std
AC
480V
Poles
3
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SIEMENS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Siemens BQD Series Miniature Circuit Breaker (MPN BQD320) is a 20 A, 480V AC, 3-pole bolt-on breaker with a 14kA interrupting capacity at 480V AC, designed for use in Siemens P1 Panelboards. 3G Electric interprets your demand for this standard-type breaker, sources it from Siemens, and supports your procurement with specialist expertise across 14 industrial departments.

Frequently Asked Questions

What is the Siemens BQD320 miniature circuit breaker used for?

The Siemens BQD320 is a 20 A, 480V AC, 3-pole bolt-on miniature circuit breaker designed for overcurrent protection in Siemens P1 Panelboards. It is commonly used in commercial and industrial electrical distribution systems where reliable branch-circuit protection is required.

What are the specifications of the Siemens BQD320 circuit breaker?

The Siemens BQD320 is a standard-type, 3-pole miniature circuit breaker rated 20 A at 480V AC. It has a 14kA interrupting capacity at 480V AC and is designed for bolt-on mounting in Siemens P1 Panelboards. The manufacturer part number is BQD320.

Where to buy the Siemens BQD320 circuit breaker worldwide?

3G Electric supplies the Siemens BQD320 miniature circuit breaker to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial solutions provider, we interpret your demand, source the genuine Siemens part, and support your procurement across 14 industrial departments.

How to select the correct Siemens BQD breaker for a panelboard?

To select the correct Siemens BQD breaker, match the voltage (480V AC), current rating (20 A), number of poles (3), and interrupting capacity (14kA) to your panelboard's specifications. The BQD320 is designed for Siemens P1 Panelboards. Always verify the bolt-on mounting type and consult the panelboard label for 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 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: 35 A Amps, 480V AC, 2 Poles, Std (MPN BQD235). Key specifications — attr196014: 35 A; attr196015: 480V AC; attr196017: 14kA at 480V AC; attr196018: Siemens P1 Panelboards; attr196016: Single; attr232503: BQD.
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Miniature Circuit Breaker: 35 A Amps, 480V AC, 2 Poles, Std (MPN BQD235). Key specifications — attr196014: 35 A; attr196015: 480V AC; attr196017: 14kA at 480V AC; attr196018: Siemens P1 Panelboards; attr196016: Single; attr232503: BQD.
Miniature Circuit Breaker: 50 A Amps, 480V AC, 2 Poles, Std (MPN BQD250). Key specifications — attr196014: 50 A; attr196015: 480V AC; attr196017: 14kA at 480V AC; attr196018: Siemens P1 Panelboards; attr196016: Single; attr232503: BQD.
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Miniature Circuit Breaker: 50 A Amps, 480V AC, 2 Poles, Std (MPN BQD250). Key specifications — attr196014: 50 A; attr196015: 480V AC; attr196017: 14kA at 480V AC; attr196018: Siemens P1 Panelboards; attr196016: Single; attr232503: BQD.
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.
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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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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.
Miniature Circuit Breaker: 80 A Amps, 277V AC, 1 Poles, Std (MPN BQD180). Key specifications — attr196014: 80 A; attr196015: 277V AC; attr196017: 14kA at 277V AC; attr196018: Siemens P1 Panelboards; attr196016: Single; attr232503: BQD.
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Miniature Circuit Breaker: 80 A Amps, 277V AC, 1 Poles, Std (MPN BQD180). Key specifications — attr196014: 80 A; attr196015: 277V AC; attr196017: 14kA at 277V AC; attr196018: Siemens P1 Panelboards; attr196016: Single; attr232503: BQD.
Miniature Circuit Breaker: 30 A Amps, 480V AC, 2 Poles, Std (MPN BQD230). Key specifications — attr196014: 30 A; attr196015: 480V AC; attr196017: 14kA at 480V AC; attr196018: Siemens P1 Panelboards; attr196016: Single; attr232503: BQD.
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Miniature Circuit Breaker: 30 A Amps, 480V AC, 2 Poles, Std (MPN BQD230). Key specifications — attr196014: 30 A; attr196015: 480V AC; attr196017: 14kA at 480V AC; attr196018: Siemens P1 Panelboards; attr196016: Single; attr232503: BQD.
Miniature Circuit Breaker: 15 A Amps, 480V AC, 2 Poles, Std (MPN BQD215). Key specifications — attr196014: 15 A; attr196015: 480V AC; attr196017: 14kA at 480V AC; attr196018: Siemens P1 Panelboards; attr196016: Single; attr232503: BQD.
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Miniature Circuit Breaker: 15 A Amps, 277V AC, 1 Poles, Std (MPN BQD115). Key specifications — attr196014: 15 A; attr196015: 277V AC; attr196017: 14kA at 277V AC; attr196018: Siemens P1 Panelboards; attr196016: Single; attr232503: BQD.
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Miniature Circuit Breaker: 15 A Amps, 277V AC, 1 Poles, Std (MPN BQD115). Key specifications — attr196014: 15 A; attr196015: 277V AC; attr196017: 14kA at 277V AC; attr196018: Siemens P1 Panelboards; attr196016: Single; attr232503: BQD.