Dry Contact Module MH-DS221 is a smart wall switch that can on/off control wall-boiler, active normal close valve, automatic door etc via Z-Wave network, you can install it with traditional switch for both local and remote control. It supports basic command class, and also can act as a repeater in Z-Wave network. This product can be included and operated in any Z-Wave network with other Z-Wave certified devices from any other manufacturers.
Power supply: 85~260VAC, 50/60Hz
Z-Wave frequency: 868.42MHz (EU), 908.42MHz (US) or other frequency customized
Max output: AC: 250V/ 3A DC: 30V/ 3A（dry contact）
Dimension：44 *38 *17mm (L *W *H)
Support S2 security
Note: For non-resistive load, a derating output 1A is highly suggested.
Please download the user manual to get further reference.
