We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

3G Electric
RFQ CartGet a QuoteSign inSign up
SIEMENS Miniature Circuit Breaker: 70 A Amps, 240V AC, 3 Poles - BQ & BQH Series, Bolt-On Siemens Miniature Circuit Breakers
SIEMENSBQ & BQH Series, Bolt-On Siemens Miniature Circuit Breakers

SIEMENS Miniature Circuit Breaker: 70 A Amps, 240V AC, 3 Poles

The Siemens BQH Series Miniature Circuit Breaker (MPN BQ3B070H) is a 70 A, 240V AC, three-pole, high-interrupting-capacity bolt-on breaker rated for 22kA at 240V AC. Designed for use in Siemens panelboards, it…

SKU 3G-OTH-623727

Brand
SIEMENS
Item
Miniature Circuit Breaker: 70 A Amps, 240V AC, 3 Poles
Category
BQ & BQH Series, Bolt-On Siemens Miniature Circuit Breakers
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

SIEMENS
Manufacturer Part Number
BQ3B070H
Type
High Interrupting Capacity
AC
240V
Poles
3
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The Siemens BQH Series Miniature Circuit Breaker (MPN BQ3B070H) is a 70 A, 240V AC, three-pole, high-interrupting-capacity bolt-on breaker rated for 22kA at 240V AC. Designed for use in Siemens panelboards, it provides overcurrent protection in industrial electrical distribution systems.

Frequently Asked Questions

What is the Siemens BQ3B070H miniature circuit breaker used for?

The Siemens BQ3B070H is a 70 A, three-pole, high-interrupting-capacity bolt-on breaker used for overcurrent protection in industrial electrical distribution systems. It is designed for installation in Siemens panelboards and is rated at 240V AC with a 22kA interrupting capacity.

What are the specifications of the Siemens BQ3B070H circuit breaker?

The Siemens BQ3B070H is a 70 A, 240V AC, three-pole miniature circuit breaker with high interrupting capacity (22kA at 240V AC). It is part of the BQH series and is designed for bolt-on mounting in Siemens panelboards.

Where to buy the Siemens BQ3B070H circuit breaker worldwide?

3G Electric supplies the Siemens BQ3B070H 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.

How to install the Siemens BQ3B070H circuit breaker?

Install the Siemens BQ3B070H by ensuring the panelboard is de-energized, then bolt the breaker securely onto the bus bars. Torque connections to manufacturer specifications. Always follow local electrical codes and use appropriate 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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

More from SIEMENS

View all SIEMENS parts →
Miniature Circuit Breaker: 70 A Amps, 120/240V AC, 2 Poles, Std (MPN BQ2B070). Key specifications — attr196014: 70 A; attr196015: 120/240V AC; attr196017: 10kA at 120/240V AC; attr196018: Siemens Panelboards; attr196016: Single; attr232503: BQ.
SIEMENS
Miniature Circuit Breaker: 70 A Amps, 120/240V AC, 2 Poles, Std (MPN BQ2B070). Key specifications — attr196014: 70 A; attr196015: 120/240V AC; attr196017: 10kA at 120/240V AC; attr196018: Siemens Panelboards; attr196016: Single; attr232503: BQ.
Miniature Circuit Breaker: 100 A Amps, 240V AC, 3 Poles, Std (MPN BQ3B100). Key specifications — attr196014: 100 A; attr196015: 240V AC; attr196017: 10kA at 240V AC; attr196018: Siemens Panelboards; attr196016: Three; attr232503: BQ.
SIEMENS
Miniature Circuit Breaker: 100 A Amps, 240V AC, 3 Poles, Std (MPN BQ3B100). Key specifications — attr196014: 100 A; attr196015: 240V AC; attr196017: 10kA at 240V AC; attr196018: Siemens Panelboards; attr196016: Three; attr232503: BQ.
Miniature Circuit Breaker: 80 A Amps, 120/240V AC, 2 Poles, Std (MPN BQ2B080). Key specifications — attr196014: 80 A; attr196015: 120/240V AC; attr196017: 10kA at 120/240V AC; attr196018: Siemens Panelboards; attr196016: Single; attr232503: BQ.
SIEMENS
Miniature Circuit Breaker: 80 A Amps, 120/240V AC, 2 Poles, Std (MPN BQ2B080). Key specifications — attr196014: 80 A; attr196015: 120/240V AC; attr196017: 10kA at 120/240V AC; attr196018: Siemens Panelboards; attr196016: Single; attr232503: BQ.
Miniature Circuit Breaker: 25 A Amps, 240V AC, 3 Poles, High Interrupting Capacity (MPN BQ3B025H). Key specifications — attr196014: 25 A; attr196015: 240V AC; attr196017: 22kA at 240V AC; attr196018: Siemens Panelboards; attr196016: Three; attr232503: BQH.
SIEMENS
Miniature Circuit Breaker: 25 A Amps, 240V AC, 3 Poles, High Interrupting Capacity (MPN BQ3B025H). Key specifications — attr196014: 25 A; attr196015: 240V AC; attr196017: 22kA at 240V AC; attr196018: Siemens Panelboards; attr196016: Three; attr232503: BQH.
Miniature Circuit Breaker: 55 A Amps, 120V AC, 1 Poles, Std (MPN BQ1B055). Key specifications — attr196014: 55 A; attr196015: 120V AC; attr196017: 10kA at 120V AC; attr196018: Siemens Panelboards; attr196016: Single; attr232503: BQ.
SIEMENS
Miniature Circuit Breaker: 55 A Amps, 120V AC, 1 Poles, Std (MPN BQ1B055). Key specifications — attr196014: 55 A; attr196015: 120V AC; attr196017: 10kA at 120V AC; attr196018: Siemens Panelboards; attr196016: Single; attr232503: BQ.
Miniature Circuit Breaker: 20 A Amps, 120V AC, 1 Poles, Std (MPN BQ1B020). Key specifications — attr196014: 20 A; attr196015: 120V AC; attr196017: 10kA at 120V AC; attr196018: Siemens Panelboards; attr196016: Single; attr232503: BQ.
SIEMENS
Miniature Circuit Breaker: 20 A Amps, 120V AC, 1 Poles, Std (MPN BQ1B020). Key specifications — attr196014: 20 A; attr196015: 120V AC; attr196017: 10kA at 120V AC; attr196018: Siemens Panelboards; attr196016: Single; attr232503: BQ.
Miniature Circuit Breaker: 15 A Amps, 240V AC, 2 Poles, Std (MPN BQ2H015). Key specifications — attr196014: 15 A; attr196015: 240V AC; attr196017: 10kA at 240V AC; attr196018: Siemens Panelboards; attr196016: Single; attr232503: BQH.
SIEMENS
Miniature Circuit Breaker: 15 A Amps, 240V AC, 2 Poles, Std (MPN BQ2H015). Key specifications — attr196014: 15 A; attr196015: 240V AC; attr196017: 10kA at 240V AC; attr196018: Siemens Panelboards; attr196016: Single; attr232503: BQH.
Miniature Circuit Breaker: 15 A Amps, 240V AC, 3 Poles, High Interrupting Capacity (MPN BQ3B015H). Key specifications — attr196014: 15 A; attr196015: 240V AC; attr196017: 22kA at 240V AC; attr196018: Siemens Panelboards; attr196016: Three; attr232503: BQH.
SIEMENS
Miniature Circuit Breaker: 15 A Amps, 240V AC, 3 Poles, High Interrupting Capacity (MPN BQ3B015H). Key specifications — attr196014: 15 A; attr196015: 240V AC; attr196017: 22kA at 240V AC; attr196018: Siemens Panelboards; attr196016: Three; attr232503: BQH.