Belimo NV24A-SZ-TPC - linear actuator for globe valves

Belimo NV24A-SZ-TPC

Linear actuator with analog control, designed for 2- and 3-way globe valves. It is controlled by signal Y, while feedback voltage U provides an electrical position indication.

Key features and specifications

• Actuating force: 1000 N; stroke: 20 mm.
• Rated voltage: AC/DC 24 V; frequency: 50/60 Hz.
• Operating range Y: 0.5...10 V; feedback signal U: 0.5...10 V.
• Motor travel time: 150 s / 20 mm.
• Power consumption: 1.5 W while moving and 0.5 W at rest; power for cable sizing: 3 VA.
• Power and control connection: terminals with a 1 m cable, 4x 0.75 mm² (4 mm² terminal).
• Manual adjustment using a button with locking option; manual adaptation, automatic on initial power-up.
• Mechanical position indication for a 5...20 mm stroke.
• IP54 protection rating; NEMA 2; UL Enclosure Type 2 housing.
• Ambient temperature: 0...50°C.

The actuator is mounted directly on the valve using clamping jaws. A switch allows the direction of travel to be changed; the manufacturer reserves its adjustment for authorised specialists.