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ALAN's Power-Open/Spring-Close-24 Volt Motor.

Ultra-quiet spring return eliminates the wind-up noise that often occurs when the motor and gear train start spinning at more than ten times their normal operating speed.

Motor Casing is made of UL approved fire retardant material.

Order Code: AZ-RD-POSC or SOPC-"SIZE"
POSC - Power-open/Spring-close
SOPC - Spring-open/Power-close
Unit of Measure


Size of Tube/Sleeve

N/A 7 in

Number of Beads

N/A 2

Length of Tube/Sleeve

N/A 9 in


N/A 24 gauge


N/A Galvanized Steel

Temperature for Continued Usage

N/A -40 to 158 ºF

Temperature for Intermittent Use

N/A Up to 220 ºF

Industry Standards

N/A Underwriters Laboratories (UL)

Available as

N/A Power-Open/Spring-Close Spring-Open/Power-Close



  • ALAN's Power-Open/Spring Close
  • 24 ga. Galvanized Steel Tube/Sleeve
  • Gasketed Damper:
    • Damper:
      Urethane gasket sandwiched between two galvanized steel blades
    • Gasket material:
      UL approved High-density urethane rated for -40 to 158 ºF continued usage and up to 220 ºF for intermittent use