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

SIEMENS BQD170 Miniature Circuit Breaker, 70A, 277V AC, 1-Pole, Std - BQD Series, Bolt-On Siemens Miniature Circuit Breakers
SIEMENSBQD Series, Bolt-On Siemens Miniature Circuit Breakers

SIEMENS BQD170 Miniature Circuit Breaker, 70A, 277V AC, 1-Pole, Std

The Siemens BQD Series Miniature Circuit Breaker (MPN BQD170) is a 70 A, 277V AC, single-pole bolt-on breaker with a 14kA interrupting rating at 277V AC. Designed for use in Siemens P1 Panelboards, this Std type unit…

SKU 3G-OTH-725650

Also listed as: BQD 170 · BQD-170

Brand
SIEMENS
Item
BQD170 Miniature Circuit Breaker, 70A, 277V AC, 1-Pole, Std
Category
BQD 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

Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

SIEMENS
Manufacturer Part Number
BQD170
Type
Std
AC
277V
Poles
1

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 BQD Series Miniature Circuit Breaker (MPN BQD170) is a 70 A, 277V AC, single-pole bolt-on breaker with a 14kA interrupting rating 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 BQD170 miniature circuit breaker used for?

The Siemens BQD170 is a 70 A, single-pole bolt-on miniature circuit breaker used for overcurrent protection in Siemens P1 Panelboards. It is rated 277V AC with a 14kA interrupting capacity, making it suitable for commercial and industrial electrical distribution systems.

What are the specifications of the Siemens BQD170 circuit breaker?

The Siemens BQD170 is a 70 A, 277V AC, single-pole bolt-on miniature circuit breaker with a 14kA interrupting rating at 277V AC. It is part of the BQD Series and designed for use in Siemens P1 Panelboards. The MPN is BQD170.

Where to buy the Siemens BQD170 circuit breaker worldwide?

3G Electric supplies the Siemens BQD170 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 to order this 70 A, 277V AC breaker for your Siemens P1 Panelboard.

How to install the Siemens BQD170 circuit breaker?

Install the Siemens BQD170 by ensuring the panelboard is de-energized, then bolt the breaker onto the bus bar in a Siemens P1 Panelboard. 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 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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

More from SIEMENS

View all SIEMENS parts
2-pole bolt-on miniature circuit breaker rated 60 A at 480V AC. Provides overcurrent protection in electrical distribution systems. Suitable for use in panelboards and load centers
SIEMENS
2-pole bolt-on miniature circuit breaker rated 60 A at 480V AC. Provides overcurrent protection in electrical distribution systems. Suitable for use in panelboards and load centers
Bolt-on miniature circuit breaker rated 40 A at 480V AC, 2-pole, Std type. Provides overcurrent protection in branch circuits for electrical distribution systems
SIEMENS
Bolt-on miniature circuit breaker rated 40 A at 480V AC, 2-pole, Std type. Provides overcurrent protection in branch circuits for electrical distribution systems
Single-pole bolt-on miniature circuit breaker rated 20 A at 277V AC. Provides overcurrent protection for branch circuits in commercial and industrial electrical distribution systems. Part of the BQD Series with a compact 1-pole format
SIEMENS
Single-pole bolt-on miniature circuit breaker rated 20 A at 277V AC. Provides overcurrent protection for branch circuits in commercial and industrial electrical distribution systems. Part of the BQD Series with a compact 1-pole format
Single-pole bolt-on miniature circuit breaker rated 90 A at 277V AC. Provides overcurrent protection for branch circuits in commercial and industrial panelboards. Part of the BQD Series with a standard interrupting rating
SIEMENS
Single-pole bolt-on miniature circuit breaker rated 90 A at 277V AC. Provides overcurrent protection for branch circuits in commercial and industrial panelboards. Part of the BQD Series with a standard interrupting rating
The SIEMENS BQD380 is a 3-pole, bolt-on miniature circuit breaker rated 80 A at 480V AC. It provides overcurrent protection in industrial electrical distribution systems, such as panelboards and load centers
SIEMENS
The SIEMENS BQD380 is a 3-pole, bolt-on miniature circuit breaker rated 80 A at 480V AC. It provides overcurrent protection in industrial electrical distribution systems, such as panelboards and load centers
The Siemens BQD125 is a 1-pole, 25 A, 277V AC miniature circuit breaker from the BQD Series. It is a bolt-on type with a 14kA interrupting rating at 277V AC. Designed for overcurrent protection in commercial and industrial electrical distribution systems where bolt-on breakers are required
SIEMENS
The Siemens BQD125 is a 1-pole, 25 A, 277V AC miniature circuit breaker from the BQD Series. It is a bolt-on type with a 14kA interrupting rating at 277V AC. Designed for overcurrent protection in commercial and industrial electrical distribution systems where bolt-on breakers are required
The SIEMENS BQD390 is a 90 A, 480V AC, 3-pole bolt-on miniature circuit breaker from the BQD series. It provides overcurrent protection in branch circuits of commercial and industrial electrical distribution systems
SIEMENS
The SIEMENS BQD390 is a 90 A, 480V AC, 3-pole bolt-on miniature circuit breaker from the BQD series. It provides overcurrent protection in branch circuits of commercial and industrial electrical distribution systems
The SIEMENS BQD220 is a 2-pole bolt-on miniature circuit breaker rated 20 A at 480V AC. It provides overcurrent protection for branch circuits in electrical distribution systems. Suitable for use in panelboards and load centers
SIEMENS
The SIEMENS BQD220 is a 2-pole bolt-on miniature circuit breaker rated 20 A at 480V AC. It provides overcurrent protection for branch circuits in electrical distribution systems. Suitable for use in panelboards and load centers