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SIEMENS Miniature Circuit Breaker: 125 A Amps, 120/240V AC, 2 Poles - B Series, Bolt-On Siemens Miniature Circuit Breakers
SIEMENSB Series, Bolt-On Siemens Miniature Circuit Breakers

SIEMENS Miniature Circuit Breaker: 125 A Amps, 120/240V AC, 2 Poles

The Siemens B2125H is a 125 A, 120/240V AC, 2-pole miniature circuit breaker from the BL Series, designed for bolt-on use with Siemens P1 Panelboards. It has a maximum AIR rating of 22kA at 120/240V AC and is a…

SKU 3G-OTH-609546

Brand
SIEMENS
Item
Miniature Circuit Breaker: 125 A Amps, 120/240V AC, 2 Poles
Category
B Series, Bolt-On Siemens Miniature Circuit Breakers
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Technical Specifications

SIEMENS
Manufacturer Part Number
B2125H
Series
BL
Type
Std
AC
120/240V
Amps
125 A
Phase
Single
Poles
2
For Use With
Siemens P1 Panelboards
Max. AIR Rating
22kA at 120/240V AC
AC Voltage Rating
120/240V AC
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SIEMENS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Siemens B2125H is a 125 A, 120/240V AC, 2-pole miniature circuit breaker from the BL Series, designed for bolt-on use with Siemens P1 Panelboards. It has a maximum AIR rating of 22kA at 120/240V AC and is a standard-type, single-phase breaker.

Frequently Asked Questions

What is the Siemens B2125H miniature circuit breaker used for?

The Siemens B2125H is a 125 A, 2-pole miniature circuit breaker used for overcurrent protection in single-phase, 120/240V AC electrical systems. It is designed for bolt-on installation in Siemens P1 Panelboards, making it suitable for commercial and industrial power distribution applications.

What are the specifications of the Siemens B2125H circuit breaker?

The Siemens B2125H is a 125 A, 120/240V AC, 2-pole miniature circuit breaker from the BL Series. It has a maximum AIR rating of 22kA at 120/240V AC, is single-phase, and is a standard-type breaker for use with Siemens P1 Panelboards.

Where to buy the Siemens B2125H circuit breaker worldwide?

3G Electric supplies the Siemens B2125H miniature circuit breaker to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us to order this 125 A, 2-pole breaker for your Siemens P1 Panelboard.

How to install the Siemens B2125H circuit breaker?

Install the Siemens B2125H by ensuring the panel is de-energized, then bolt the breaker onto the Siemens P1 Panelboard bus bar. Torque connections to manufacturer specifications for the 125 A, 120/240V AC circuit. 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 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.

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