The Gruner 227C-024-05 is a continuous control rotary actuator designed for adjusting dampers in HVAC systems. It operates on 24 VAC/DC and delivers 5 Nm torque with a 100-second rotation time over 90°.

Technical Specifications

• Model: 227C-024-05
• Type: Rotary actuator for HVAC dampers
• Nominal Voltage: 24 VAC/DC, 50/60 Hz
• Voltage Range: 19–29 VAC/DC
• Power Consumption:
  • Motion: 2.0 W
  • Standby: 1.0 W
  • Wire sizing: 4.0 VA

Control & Feedback

• Control Signal: (0)2…10 VDC or (0)4…20 mA
• Feedback Signal: (0)2…10 VDC, max. 5 mA
• Running Time: 100 seconds for 90° rotation
• Torque Output: 5 Nm
• Damper Size Compatibility: Up to approx. 1 m²
• Shaft Coupling: Clamp for 8–15 mm square or Ø 8–20 mm round shafts