Belimo NVK24A-MP-TPC - linear actuator for globe valves

Belimo NVK24A-MP-TPC actuator

Communicating linear actuator for 2-way and 3-way globe valves. In the event of a power failure, energy stored in the capacitors enables the valve to move to the selected fail-safe position.

Key features and specifications

• Actuator force: 1000 N; stroke: 20 mm.
• Rated voltage: AC/DC 24 V; frequency: 50/60 Hz.
• Modulating control: operating range Y 2...10 V; position feedback signal U 2...10 V.
• Communication via MP-Bus; maximum 8 MP-Bus nodes.
• Motor running time: 150 s / 20 mm, adjustable to 90...150 s; fail-safe function running time: 35 s / 20 mm.
• Fail-safe position: adjustable within 0...100%; hold time (PF): 2 s, adjustable to 0...10 s.
• Option to connect a sensor or switching contact and transmit the sensor signal via MP-Bus.
• Manual control by push-button; adaptation of the setting range and mechanical position indicator.
• Power consumption: 2.5 W during operation and 1.5 W at rest; sizing power: 6 VA.
• Power and control connection: terminals with 1 m cable, 4x 0.75 mm²; 4 mm² terminal.
• IEC/EN protection rating: IP54; IEC/EN protection class: III, Safety Extra-Low Voltage (SELV).