BBT24 Neptronic 24VAC Spring Return Damper Actuator 50 in-lb HVAC Actuator

Description:

• Genuine Neptronic spring return damper actuator for commercial and industrial HVAC applications
• Delivers 50 in-lb (5.6 Nm) torque for reliable control of air dampers
• Operates on 24 VAC power supply (22–26 VAC)
• Spring return design automatically returns the damper to its fail-safe position upon power loss
• 3-wire / 3-point floating control for accurate damper positioning
• External clutch allows manual positioning during installation or maintenance
• Adjustable mechanical rotation from 0° to 90°
• Constant running time ensures consistent actuator performance
• Maintenance-free design with built-in position indicator
• Ideal for air handling units, rooftop units, ventilation systems, VAV systems, and building automation applications
• Compatible with optional auxiliary switches and feedback versions depending on the model.

Specifications:

• Manufacturer Name: Neptronic
• Part Number (MPN): BBT24
• Product Type: Spring Return Damper Actuator
• Torque: 50 in-lb (5.6 Nm)
• Power Supply: 22–26 VAC
• Control Signal: 3-Wire / 3-Point Floating
• Power Consumption: 3 VA
• Spring Return: Yes
• Running Time:
  • 90 seconds @ 60 Hz
  • 110 seconds @ 50 Hz
• Spring Return Time:
  • 180 seconds @ 60 Hz
  • 220 seconds @ 50 Hz
• Rotation Angle: 0°–90° (Mechanically Adjustable)
• Electrical Connection: 18 AWG Minimum
• Ambient Operating Temperature: -18°C to +50°C (0°F to +122°F)
• Storage Temperature: -30°C to +50°C (-22°F to +122°F)
• Relative Humidity: 5–95% Non-Condensing
• Applications:
  • HVAC Systems
  • Air Handling Units (AHUs)
  • Rooftop Units
  • Ventilation Systems
  • Building Automation
  • Damper Control

Dimensions:

• Height: 167.5 mm (6.60 in)
• Width: 82.8 mm (3.26 in)
• Shaft Adapter Width: 38.1 mm (1.50 in)

Weight:

• Approximate Weight: 1.4 kg (3.0 lb).