Model MP-310 is a damper actuator pack used to convert the WD-300 series backdraft damper to motorized operation. These versatile motor packs feature power opening with spring return. The springs also provide damper closure in the event of electrical failure. MP-310 is supplied with mounting hardware, assembly instructions and actuator arms for either single, double, or triple panel installation. Rated for 460V. UL listed.
Prop 65 Warning