Description
The Schneider Electric (Erie) AH23A02A is a heavy-duty valve actuator engineered for reliable two-position control in commercial and light-industrial HVAC hydronic systems. Powered by a 24VAC signal, this spring-return actuator defaults to the normally open position on power loss, providing a critical fail-safe function that protects equipment and maintains system integrity during outages or control failures.
Key Features
- 24VAC operating voltage for compatibility with standard HVAC control systems
- Two-position (open/close) control for straightforward on/off valve actuation
- Spring-return mechanism ensures fail-safe normally open position on power loss
- High close-off force for positive sealing against system pressure
- Integrated end switch provides position feedback to the control panel or BAS
- 18-inch pre-attached wire leads for easy field wiring and installation
Application
The AH23A02A is designed for use with Erie zone valves in hydronic heating and cooling applications, including fan coil units, air handling units, and terminal unit control. The spring-return action and high close-off rating make it well suited for systems where positive shutoff and fail-safe operation are required.
Specifications
- Brand: Schneider Electric (Erie)
- SKU / Part Number: AH23A02A
- Supply Voltage: 24VAC
- Control Type: Two-Position
- Actuator Action: Spring Return
- Fail-Safe Position: Normally Open
- Close-Off Rating: High
- End Switch: Included
- Wire Leads: 18 inches
Why Choose the Erie AH23A02A?
Schneider Electric’s Erie line is a trusted name in commercial HVAC valve and actuator solutions. The AH23A02A combines dependable spring-return fail-safe operation with an integrated end switch, giving building automation systems accurate valve position feedback without additional accessories. The generous 18-inch wire leads simplify installation in tight mechanical spaces, reducing labor time and connection errors.
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