Complete Solution
SIEMENS Siemens OpenAir damper actuator GMA121.1E
SKU 3G-OTH-00115
Pair with a Service
Solutions Engineering
Product Description
The Siemens GMA121.1E is an OpenAir rotary damper actuator designed for HVAC and industrial ventilation systems. It provides precise damper positioning for air handling units, mixing boxes, and ventilation controls. The GMA121.1E features a spring-return mechanism for fail-safe operation and is compatible with standard damper shafts. Suitable for commercial buildings, industrial facilities, and process ventilation applications. Available from 3G Electric with worldwide shipping — request a quote for pricing and lead times.
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.
You might also need
Need a complete solution?
Product selection, system design, installation, and ongoing maintenance — all from one partner.

