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SIEMENS Miniature Circuit Breaker: 30 A Amps, 120V AC, 1 Poles - BQ & BQH Series, Bolt-On Siemens Miniature Circuit Breakers
SIEMENSBQ & BQH Series, Bolt-On Siemens Miniature Circuit Breakers

SIEMENS Miniature Circuit Breaker: 30 A Amps, 120V AC, 1 Poles

The Siemens BQH Series BQ1B030H is a 30 A, single-pole miniature circuit breaker with high interrupting capacity, rated 22kA at 120V AC. Designed for bolt-on installation in Siemens panelboards, this BQ & BQH Series…

SKU 3G-OTH-623688

Brand
SIEMENS
Item
Miniature Circuit Breaker: 30 A Amps, 120V AC, 1 Poles
Category
BQ & BQH Series, Bolt-On Siemens Miniature Circuit Breakers
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

SIEMENS
Manufacturer Part Number
BQ1B030H
Type
High Interrupting Capacity
AC
120V
Poles
1

Technical Documents

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SIEMENS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Siemens BQH Series BQ1B030H is a 30 A, single-pole miniature circuit breaker with high interrupting capacity, rated 22kA at 120V AC. Designed for bolt-on installation in Siemens panelboards, this BQ & BQH Series breaker provides overcurrent protection for branch circuits.

Frequently Asked Questions

What is the Siemens BQ1B030H miniature circuit breaker used for?

The Siemens BQ1B030H is a 30 A, single-pole miniature circuit breaker with high interrupting capacity (22kA at 120V AC). It provides overcurrent protection for branch circuits in Siemens panelboards, commonly used in commercial and industrial electrical distribution systems.

What are the specifications of the Siemens BQ1B030H?

The Siemens BQ1B030H is rated 30 A, 120V AC, single-pole, with a high interrupting capacity of 22kA at 120V AC. It is a bolt-on type from the BQH series, designed for use in Siemens panelboards. The manufacturer part number is BQ1B030H.

Where to buy the Siemens BQ1B030H worldwide?

3G Electric supplies the Siemens BQ1B030H miniature circuit breaker 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 BQH series breaker.

How to install the Siemens BQ1B030H circuit breaker?

Install the Siemens BQ1B030H by bolting it into a compatible Siemens panelboard. Ensure power is off, then torque the terminal screws to manufacturer specifications. Always follow local electrical codes and use proper personal protective equipment during installation.

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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