We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

3G Electric
SIEMENS B125 BL Series Miniature Circuit Breaker, 25A, 1-Pole, 120/240V AC, 10kA - B Series, Bolt-On Siemens Miniature Circuit Breakers
SIEMENSB Series, Bolt-On Siemens Miniature Circuit Breakers

SIEMENS B125 BL Series Miniature Circuit Breaker, 25A, 1-Pole, 120/240V AC, 10kA

The Siemens B125 is a 25 A, single-pole miniature circuit breaker from the BL Series, rated 120/240V AC with a 10kA interrupting capacity. Designed for bolt-on installation in Siemens P1 panelboards, it provides…

SKU 3G-OTH-609706

Also listed as: B 125 · B-125

Brand
SIEMENS
Item
B125 BL Series Miniature Circuit Breaker, 25A, 1-Pole, 120/240V AC, 10kA
Part Number
B125
Category
B 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 — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

SIEMENS
Manufacturer Part Number
B125
Series
BL
Type
Std
AC
120/240V
Amps
25 A
Phase
Single
Poles
1
For Use With
Siemens P1 Panelboards
Max. AIR Rating
10kA at 120/240V AC
AC Voltage Rating
120/240V AC

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 B125 is a 25 A, single-pole miniature circuit breaker from the BL Series, rated 120/240V AC with a 10kA interrupting capacity. Designed for bolt-on installation in Siemens P1 panelboards, it provides overcurrent protection for single-phase branch circuits.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the Siemens B125 miniature circuit breaker used for?

The Siemens B125 is a 25 A, single-pole miniature circuit breaker used for overcurrent protection in single-phase branch circuits. It is designed for bolt-on installation in Siemens P1 panelboards, rated 120/240V AC with a 10kA interrupting capacity.

What are the specifications of the Siemens B125 circuit breaker?

The Siemens B125 is rated 25 A, 120/240V AC, single-phase, 1 pole, with a maximum AIR rating of 10kA at 120/240V AC. It is part of the BL Series and is designed for use with Siemens P1 panelboards.

Where to buy the Siemens B125 circuit breaker worldwide?

3G Electric supplies the Siemens B125 miniature circuit breaker worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us to order this genuine Siemens part for your panelboard.

How to install the Siemens B125 circuit breaker?

The Siemens B125 is a bolt-on miniature circuit breaker designed for Siemens P1 panelboards. Ensure power is off, align the breaker with the bus bar, and tighten the bolt securely. Follow NEC guidelines and consult a licensed electrician for safe 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
Not sure this is the right part? Photo-identify it

SIEMENS Products

3G Electric supplies SIEMENS b 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
This 2-pole miniature circuit breaker from the BL Series is rated 100 A at 120/240V AC and provides standard overcurrent protection. It is designed for bolt-on installation in Siemens P1 Panelboards and has a maximum AIR rating of 22kA at 120/240V AC. Suitable for single-phase power distribution applications
SIEMENS
This 2-pole miniature circuit breaker from the BL Series is rated 100 A at 120/240V AC and provides standard overcurrent protection. It is designed for bolt-on installation in Siemens P1 Panelboards and has a maximum AIR rating of 22kA at 120/240V AC. Suitable for single-phase power distribution applications
Single-pole, 30 A ground fault circuit interrupter (GFCI) miniature circuit breaker for 120V AC systems. Bolt-on connection for use with Siemens panelboards. Provides overload, short-circuit, and ground-fault protection with a 10kA interrupting rating at 120V AC
SIEMENS
Single-pole, 30 A ground fault circuit interrupter (GFCI) miniature circuit breaker for 120V AC systems. Bolt-on connection for use with Siemens panelboards. Provides overload, short-circuit, and ground-fault protection with a 10kA interrupting rating at 120V AC
The Siemens B330H is a 30 amp, 240V AC, three-pole miniature circuit breaker from the BL Series. It features a bolt-on connection for use with Siemens P1 Panelboards and provides overcurrent protection in electrical distribution systems. With a maximum AIR rating of 22kA at 240V AC, it is suitable for commercial and industrial applications requiring three-phase protection
SIEMENS
The Siemens B330H is a 30 amp, 240V AC, three-pole miniature circuit breaker from the BL Series. It features a bolt-on connection for use with Siemens P1 Panelboards and provides overcurrent protection in electrical distribution systems. With a maximum AIR rating of 22kA at 240V AC, it is suitable for commercial and industrial applications requiring three-phase protection
This 20 A, 2-pole miniature circuit breaker provides ground fault equipment protection for single-phase 120/240V AC systems. Rated for 10kA maximum interrupting capacity, it is designed for bolt-on installation in Siemens P1 panelboards. Suitable for overcurrent and ground fault protection in commercial and industrial electrical distribution applications
SIEMENS
This 20 A, 2-pole miniature circuit breaker provides ground fault equipment protection for single-phase 120/240V AC systems. Rated for 10kA maximum interrupting capacity, it is designed for bolt-on installation in Siemens P1 panelboards. Suitable for overcurrent and ground fault protection in commercial and industrial electrical distribution applications
This three-pole miniature circuit breaker is rated 30 A at 120/240V AC with a maximum interrupting rating of 22kA at 240V AC. It features a shunt trip mechanism and is designed for bolt-on mounting in Siemens P1 panelboards. Suitable for overcurrent protection in three-phase electrical distribution systems
SIEMENS
This three-pole miniature circuit breaker is rated 30 A at 120/240V AC with a maximum interrupting rating of 22kA at 240V AC. It features a shunt trip mechanism and is designed for bolt-on mounting in Siemens P1 panelboards. Suitable for overcurrent protection in three-phase electrical distribution systems

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first