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SIEMENS Miniature Circuit Breaker: 50 A Amps, 120/240V AC - Q Series, Plug-In Siemens Miniature Circuit Breakers
SIEMENSQ Series, Plug-In Siemens Miniature Circuit Breakers

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

The Siemens QF250A is a Q Series, plug-in miniature circuit breaker rated for 50 A at 120/240V AC, with 2 poles and a 10kA interrupting capacity at 120/240V AC. Designed for use in Siemens Load Centers, this…

SKU 3G-OTH-622291

Brand
SIEMENS
Item
Miniature Circuit Breaker: 50 A Amps, 120/240V AC
Category
Q Series, Plug-In Siemens Miniature Circuit Breakers
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Technical Specifications

SIEMENS
Manufacturer Part Number
QF250A
AC
120/240V
Poles
2
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SIEMENS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Siemens QF250A is a Q Series, plug-in miniature circuit breaker rated for 50 A at 120/240V AC, with 2 poles and a 10kA interrupting capacity at 120/240V AC. Designed for use in Siemens Load Centers, this single-pole breaker provides overcurrent protection in a compact plug-in format.

Frequently Asked Questions

What is the Siemens QF250A miniature circuit breaker used for?

The Siemens QF250A is a Q Series plug-in miniature circuit breaker used for overcurrent protection in Siemens Load Centers. It is rated for 50 A at 120/240V AC with a 10kA interrupting capacity, making it suitable for residential and light commercial electrical distribution panels.

What are the specifications of the Siemens QF250A?

The Siemens QF250A is a 2-pole miniature circuit breaker rated 50 A at 120/240V AC. It has a 10kA interrupting capacity at 120/240V AC and a single-pole plug-in design. It is part of the Q Series and is intended for use in Siemens Load Centers.

Where to buy the Siemens QF250A worldwide?

3G Electric supplies the Siemens QF250A 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 genuine Siemens Q Series breaker for your project.

How to install the Siemens QF250A in a load center?

To install the Siemens QF250A, ensure the load center is de-energized. Align the breaker's plug-in tabs with the bus bar slots in a Siemens Load Center and press firmly until it snaps into place. Connect the load wire to the terminal and torque to manufacturer specifications. 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 q series, plug-in 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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