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SIEMENS Q240 Q Series Plug-In Miniature Circuit Breaker - Q Series, Plug-In Siemens Miniature Circuit Breakers
SIEMENSQ Series, Plug-In Siemens Miniature Circuit Breakers

SIEMENS Q240 Q Series Plug-In Miniature Circuit Breaker

The Siemens Q240 is a Q Series, plug-in miniature circuit breaker rated 40 A at 120/240V AC, 2 poles, Std type, with a 10kA interrupting capacity at 120V AC. Designed for use in Siemens EQ Load Centers, this…

SKU 3G-OTH-622287

Also listed as: Q 240 · Q-240

Brand
SIEMENS
Item
Q240 Q Series Plug-In Miniature Circuit Breaker
Category
Q Series, Plug-In Siemens Miniature Circuit Breakers
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Technical Specifications

SIEMENS
Manufacturer Part Number
Q240
Type
Std
AC
120/240V
Poles
2

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SIEMENS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Siemens Q240 is a Q Series, plug-in miniature circuit breaker rated 40 A at 120/240V AC, 2 poles, Std type, with a 10kA interrupting capacity at 120V AC. Designed for use in Siemens EQ Load Centers, this single-pole breaker provides overcurrent protection in a compact, plug-in format.

Frequently Asked Questions

What is the Siemens Q240 miniature circuit breaker used for?

The Siemens Q240 is a 40 A, 2-pole miniature circuit breaker used for overcurrent protection in residential and light commercial Siemens EQ Load Centers. It interrupts faults up to 10kA at 120V AC, safeguarding branch circuits from overloads and short circuits.

What are the specifications of the Siemens Q240 circuit breaker?

The Siemens Q240 is rated 40 A at 120/240V AC, 2 poles, Std type, with a 10kA interrupting capacity at 120V AC. It is a plug-in Q Series breaker designed for Siemens EQ Load Centers. The manufacturer part number is Q240.

Where to buy the Siemens Q240 circuit breaker worldwide?

3G Electric supplies the Siemens Q240 miniature circuit breaker to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this genuine Siemens Q Series breaker.

How to install the Siemens Q240 in a load center?

Ensure the load center is de-energized. Align the Q240's plug-in tabs with the bus bar slots in a Siemens EQ Load Center, then press firmly until it snaps into place. Verify the breaker handle is in the OFF position before restoring power.

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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