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SiemensFire & Smoke Rated Actuators

Siemens Electric Actuator: Fire and Smoke Dampers, On/Off, Spring Return, 80 lb-in

The Siemens GKD226.1U is a fire and smoke rated electric actuator designed for fire and smoke dampers. It operates as an on/off, spring return unit with 80 lb-in torque, accepts a 1/2" to 1" round shaft, and requires…

SKU 3G-OTH-67239

Brand
Siemens
Item
Electric Actuator: Fire and Smoke Dampers, On/Off, Spring Return, 80 lb-in
Category
Fire & Smoke Rated Actuators
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Technical Specifications

Siemens
Manufacturer Part Number
GKD226.1U
Type
On/Off, Spring Return, 80 lb-in, NEMA 1 / IP40
AC
120V
Shaft Type
1/2" to 1" Round
Input Voltage
120V AC
Output Signal
2 Auxiliary Switch
Plenum Rating
Plenum Rated
Auxiliary Switch Included
Yes
Electrical Connection Type
Hardwired
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Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Siemens GKD226.1U is a fire and smoke rated electric actuator designed for fire and smoke dampers. It operates as an on/off, spring return unit with 80 lb-in torque, accepts a 1/2" to 1" round shaft, and requires a 120V AC input. The actuator is plenum rated, hardwired, and includes two auxiliary switches for output signaling.

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 GKD226.1U electric actuator used for?

The Siemens GKD226.1U is a fire and smoke rated electric actuator designed to operate fire and smoke dampers in HVAC systems. It provides on/off control with spring return functionality, ensuring damper closure during power loss for safety in commercial and industrial buildings.

What are the specifications of the Siemens GKD226.1U actuator?

The Siemens GKD226.1U delivers 80 lb-in torque, accepts a 1/2" to 1" round shaft, and operates on 120V AC input. It is plenum rated, NEMA 1 / IP40, hardwired, and includes two auxiliary switches for output signaling. The spring return ensures fail-safe damper closure.

Where to buy the Siemens GKD226.1U actuator worldwide?

3G Electric supplies the Siemens GKD226.1U actuator worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this fire and smoke damper actuator.

How to install the Siemens GKD226.1U actuator?

Mount the Siemens GKD226.1U actuator securely to the damper shaft using the provided hardware, ensuring the shaft size is between 1/2" and 1" round. Connect 120V AC power and auxiliary switch wiring per the manual. Test spring return operation before commissioning.

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 fire & smoke rated actuators. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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