Description
The Siemens SAS61.33U is a 24V spring-return actuator engineered for precise, reliable valve control in commercial HVAC and building automation systems. Featuring a 0–10 VDC proportional control signal, this actuator delivers accurate modulating positioning to maintain optimal system performance across a wide range of hydronic and air-handling applications.
Key Features
- 24V AC/DC operating voltage for broad system compatibility
- Spring-return (S/R) fail-safe operation — returns to a defined safe position on power loss
- 0–10 VDC proportional control signal for smooth, accurate modulating control
- Designed for use with Siemens valve bodies in commercial HVAC and BAS applications
- Compact, robust construction for long service life in demanding environments
- Easy installation and wiring with clear terminal identification
- Compatible with building automation systems (BAS) and direct digital control (DDC) platforms
Application
The SAS61.33U is ideal for controlling two-way and three-way control valves in hydronic heating and cooling systems, air handling units, fan coil units, and other commercial HVAC applications where reliable fail-safe actuation and proportional control are required.
Why Choose Siemens Actuators
Siemens Building Technology actuators are trusted by mechanical contractors, building automation engineers, and HVAC professionals worldwide for their precision engineering, long-term reliability, and seamless integration with Siemens and third-party control systems. The SAS61.33U upholds this standard, delivering consistent performance installation after installation.
Specifications
- SKU: SAS61.33U
- Brand: Siemens Building Technology
- Supply Voltage: 24V AC/DC
- Control Signal: 0–10 VDC (proportional)
- Actuator Type: Spring Return (fail-safe)
- Application: Commercial HVAC valve actuation, BAS/DDC systems
Reviews
There are no reviews yet.