ZM250 | Control Signal Module, Feedback, 0-10Vdc or 0-20V, Phase Cut, 3-4" Valves | Siemens

This X-Feedback Interface is a control signal module for 3-4 inch M3B Control Valves for Domestic Hot and Chilled Water and M2H Control Valves for High Temperature Hot Water and Low Pressure Steam. This Interface has a 0-20 volts phase cut and a maximum output power of up to 40 watts. It measures 1.6" x 3.5" 4.5".