Erie Controls AT33A000 Valve Actuator

The Erie Controls AT33A000 Valve Actuator is a compact 24 V AC, synchronous-motor device designed for precise valve control in heating and cooling systems. This 3-Wire Floating, Proportional, Rotary actuator delivers smooth, non-spring-return operation for VM Zone Valve applications.

With a NEMA 1 enclosure and a rugged plastic body, it withstands typical commercial environments. Operating temperature 32 to 125 Deg F, frequency 50/60 Hz, and a 1 VA power rating ensure reliable performance across seasons. The device accepts multiple control signals including 0 to 10 Volt DC, 0 to 5 Volt DC, 4 to 20 Milliamp (DC), and 5 to 10 Volt DC, enabling easy integration with modern thermostats and building automation systems.

• 24 V AC operation with a 40 mA current rating for reliable valve actuation.
• 3-Wire Floating, Proportional Rotary control delivers smooth modulation.
• Non-Spring Return design for precise standby position in HVAC systems.
• Wide control-signal compatibility supports 0–10 V DC, 0–5 V DC, 4–20 mA, or 5–10 V DC.
• Rugged enclosure NEMA 1, plastic body rated for 32–125 Deg F and 50/60 Hz environments.

Ideal for HVAC professionals seeking dependable, easy-to-integrate valve actuation that enhances system efficiency and comfort.