HW MS8120A1007/U

Direct-Coupled Damper Actuators

S20 Series MS8120 Spring Return Direct-Coupled Damper Actuator - 175 in-lb

• Line voltage actuator accepts 2-position (SPST) control for air dampers, air handlers,
  ventilation flaps, louvers and ball valves
• Brushless DC submotor with electronic stall protection for floating/modulating models;
  brush DC submotor with electronic stall protection for 2-position models
• Self-centering shaft coupling for various shaft sizes
• For use with 2-position, SPST, line-voltage (Series 40) or low-voltage (Series 80) controls
• For use with floating or switched SPDT (Series 60) controls; for use with proportional
  current or voltage (Series 70) controls
• Available with combined floating and modulating control in a single device, adjustable
  zero and span and with line-voltage internal end switches
• Access cover facilitates connectivity and metal housing features built-in mechanical
  end limits
• Field selectable spring return direction and shaft position indicator and scale
• Supply voltage: 24VAC +/-20%
• Environmental rating: NEMA2
• UL Listed, CE compliant and plenum rated per UL873