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SIEMENS Miniature Circuit Breaker: 50 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: 50 A Amps, 120/240V AC, 2 Poles

The Siemens BF250A is a 50 A, 2-pole, single-phase miniature circuit breaker with ground fault circuit interrupter protection, rated 120/240V AC and a maximum AIR rating of 10kA at 120/240V AC. Designed for use with…

SKU 3G-OTH-722239

Brand
SIEMENS
Item
Miniature Circuit Breaker: 50 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
BF250A
Series
BF
Type
Ground Fault Circuit Interrupter
AC
120/240V
Amps
50 A
Phase
Single
Poles
2
For Use With
Siemens Panelboards
Max. AIR Rating
10kA 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 BF250A is a 50 A, 2-pole, single-phase miniature circuit breaker with ground fault circuit interrupter protection, rated 120/240V AC and a maximum AIR rating of 10kA at 120/240V AC. Designed for use with Siemens panelboards, this B Series bolt-on breaker is part of the BF series. 3G Electric interprets your demand, sources genuine Siemens breakers, and supports your facility with specialist expertise across 14 industrial departments — including electrical, combustion, and controls.

Frequently Asked Questions

What is the Siemens BF250A miniature circuit breaker used for?

The Siemens BF250A is a 50 A, 2-pole, single-phase miniature circuit breaker with ground fault circuit interrupter protection, rated 120/240V AC. It is designed for use with Siemens panelboards to protect electrical circuits from overloads, short circuits, and ground faults in industrial and commercial facilities.

What are the specifications of the Siemens BF250A?

The Siemens BF250A has a 50 A amp rating, 120/240V AC voltage rating, 2 poles, single-phase, and a maximum AIR rating of 10kA at 120/240V AC. It is a B Series bolt-on breaker with ground fault circuit interrupter protection, designed for use with Siemens panelboards.

Where to buy the Siemens BF250A in worldwide?

3G Electric supplies the genuine Siemens BF250A miniature circuit breaker to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us to place an order; we interpret your demand and source the right Siemens breakers for your application.

How to install the Siemens BF250A circuit breaker?

Install the Siemens BF250A by ensuring the panelboard is de-energized, then bolt the breaker onto the Siemens panelboard bus bar. Connect line and load wires per the wiring diagram, torque terminals to manufacturer specifications, and test the ground fault function before restoring power. Always follow local electrical codes.

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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