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Siemens OpenAir damper actuator GMA121.1E - Valve/Solenoid
SiemensValve/Solenoid

Siemens OpenAir damper actuator GMA121.1E

24V AC/DC, 2-position rotary damper actuator with a 7 Nm nominal torque and a 90/15-second spring return

SKU 3G-OTH-00115

Also listed as: 3GOTH00115 · 3G OTH 00115

Brand
Siemens
Item
OpenAir damper actuator GMA121.1E
Category
Valve/Solenoid
UNSPSC
40141605 — Solenoid valves
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Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

24V AC/DC, 2-position rotary damper actuator with a 7 Nm nominal torque and a 90/15-second spring return

Frequently Asked Questions

Where can I buy the Siemens GMA121.1E damper actuator in your region?

3G Electric supplies the Siemens GMA121.1E damper actuator with delivery to your location. We handle all logistics, customs clearance, and customs import documentation. Lead time on request.

What is the lead time for the Siemens GMA121.1E?

Lead time depends on current availability and import logistics to your region. Contact 3G Electric for a delivery quote. We manage full customs clearance and USD invoicing for all shipments.

What voltage and torque does the Siemens GMA121.1E provide?

The GMA121.1E operates on 24V AC/DC with a nominal torque of 7 Nm and a spring return time of 90 seconds (open) and 15 seconds (close). Suitable for 2-position rotary damper control applications.

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 valve/solenoid. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Proportional non-spring return damper actuator with 177 in-lb torque, 24V AC/DC input, and 0 to 10V DC output signal. Provides 90° stroke with CW/CCW rotation and self-centering shaft. Hardwired connection with NEMA 2 / IP54 enclosure. Used in HVAC building automation systems to modulate air dampers in air handling units, VAV boxes, and zone dampers for precise airflow control
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