Overview
The Belimo Z3050QPF-E+CQKBUP-RR is a 1/2-inch, 3-way ZoneTight QCV press-fit valve combined with a line-voltage electronic fail-safe actuator configured for normally closed fail-safe operation.
Features
- Universal AC/DC 100…240 V operating voltage support
- Electronic fail-safe control defaults to normally closed state on loss of power
- Press-fit end connections for fast and safe installation
- Compact design ideal for space-restricted fan coil enclosures
Specifications
- Valve Size: 1/2″
- Configuration: 3-way
- Flow Capacity: Cv 1
- Control Signal: On/Off
- Nominal Voltage: AC/DC 100…240 V
- Fail-Safe Position: Normally Closed
Applications
- Line-voltage commercial HVAC hydronic heating and cooling loops
- Terminal unit control in unit ventilators, radiant panels, and duct coils
- Systems requiring fail-closed security during power interruptions


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