Caleffi Z111900 : Normally Closed Spring Return Valve Actuator, 24V AC, On/Off Control Signal, (1) SPST 5A Auxiliary Switch, 18" Wires
The Caleffi Z111900 is a normally closed, spring-return actuator designed for use with motorized zone valves. It is UL873, cULus Listed, and CE certified, meeting UL 1995 section 18 requirements for air plenums and ducts. Engineered for reliable performance, this actuator automatically returns to the closed position when power is removed and features a built-in auxiliary microswitch for control feedback or circuit interlock.
The Z111900 actuator is compatible with Caleffi Z2 and Z3 valves (normally closed configuration). It mounts quickly with a pushbutton connection and includes a 7/8” knockout for a 1/2” conduit connector.
Key Features
- Normally Closed spring-return actuator for zone valves
- On/Off control operation (24V AC)
- Integrated SPST auxiliary microswitch (5A @ 230V AC)
- Quick pushbutton mounting system
- 7/8” knockout for 1/2” conduit connection
- Compatible with Caleffi Z2 and Z3 valve bodies
Technical Specifications
- Voltage: 24V AC
- Power Consumption: 7 VA (at full capacity)
- Auxiliary Switch Rating: 0.25 A min, 5.0 A max, 230 V
- Conduit Connector: 1/2”
- Leads: 18”
Datasheets
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Caleffi Z-one Motorized Zone Valve Installation and Commissioning Manual |
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- Actuator Type:
- Non Fail-Safe
- Voltage:
- 24VAC
- Control Signal:
- On/Off
- Auxillary Switch:
- Yes
- NEMA 4X Enclosure:
- No
