Siemens Building Technology 147-2000 Relay 328140-751 this model is best suited

this model is best suited for pilot signals or small actuators

this unit optimizes electrical efficiency while minimizing heat dissipation

this OEM replacement part is the exact electrical and physical match required to maintain the original system certification and sequence of operation

Simplified Installation: Standard 208-230V 2-speed motor wiring configuration reduces diagnostic and labor time on the job site

it stabilizes system pressure across varying thermal loads

Siemens Building Technology 147-2000 Relay 328140-751 this model is best suitedThe Siemens Building Technology 147 2000 Relay is a precision engineered pneumatic positioning relay designed for demanding HVAC automation environments. This compact auxiliary device is essential for ensuring positive positioning of pneumatic valve actuators and damper actuators. By utilizing a low bleed design, the 147 2000 minimizes air consumption while responding to input changes as small as 1 10 PSI. The unit allows for highly accurate field