Description
Overview
The Schneider Electric (Erie) AT23A00T is a 24VAC motor actuator engineered for reliable valve and damper control in commercial HVAC systems. Featuring a three-wire floating signal input, this actuator delivers precise modulating control while the spring return mechanism ensures a normally open fail-safe position upon loss of power — protecting your system and building occupants in the event of an outage or control failure. The integrated time-out function adds an additional layer of protection by automatically returning the actuator to its safe position if the control signal is not received within the designated time window.
Key Features
- Operating voltage: 24VAC
- Three-wire floating signal control for precise modulating operation
- Spring return mechanism for reliable fail-safe performance
- Normally open (NO) fail-safe position upon power loss
- Time-out function for added system protection
- Designed for use with compatible Erie and Schneider Electric valve bodies
- Compact, durable motor actuator construction
Application
Ideal for commercial HVAC hydronic systems, air handling units, and building automation applications where dependable actuator control and fail-safe operation are critical. The AT23A00T integrates seamlessly with building automation systems (BAS) and direct digital control (DDC) panels using standard floating point control signals.
Why Choose the Erie AT23A00T
Schneider Electric’s Erie product line is trusted by HVAC professionals for its robust construction, consistent performance, and compatibility across a wide range of valve and damper assemblies. The spring return and time-out features make this actuator an excellent choice for applications requiring dependable fail-safe positioning and system protection.







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