Permanent and Safemail: Developed for both normally open and closed installations, this motor furnishes consistent moment throughout the 90 degree rotation, ensuring smooth and safe action in various control conditions Product Specificationsecond: The WQSING RZ3 1M 24V CONDITIONING 2 wire spring return motor delivers a consistent moment of 32 inch ounces, operates at 24V CONDITIONING ±10%, 60Hz, and consumes only 0.36 amplification Wide Agreement: This motor is a direct alternative M847D series motors ( M847D1004, M847D1012) and works with ZD and ARD dampers Premium Standaread: Constructed with permanent metal construction, this motor ensures consistent action in both power on ( powered Easy Installatparticlemail: Highlighting a 5 / 16 inch rod sleeve additional inch pin, the motor simplifies installation and maintenance, Manufacturer: YanFengPro