Field Instruments

General

Rotary actuator with fall-safe for ball valves

• Torque motor 4 Nm
• Nominal voltage AC/DC 24 V
• Control open/close
• Deenergised closed (NC)
• with 2 integrated auxiliary switches

Specifications

• Make : Belimo  
• Model: LRF24-S
• Voltage AC/DC: AC/DC 24 V
• Auxilary Switches:2x SPDT
• Connection Supply Control:Cable 1 m, 2 x 0.75 mm²
• Connection Auxilary Switch:Cable 1 m, 6 x 0.75 mm²  
• Torque: Max. 4 Nm
• Control type:open/close
• Direction of rotation (fail-safe): Deenergised NC, valve closed (A – AB = 0%)
• Manual override: With hand crank, can be fixed in any position
• Running time (motor): 75 s / 90°
• Running time (fail-safe):<20s
• Protection category: IP54
• Ambient Temperature: -30...50°C [-22...122°F]