The 4 relays board. After connecting to GSM v2 controller or LAN controller each relay can be independently turned on/off. Main application is managing by up to four electric devices.
Note: Power supply 16-56V.
- relay number on board - 4 - 24V 8A
- relay outputs: common, normally open, normally closed
Price include ribbon with plugs for realize connection to GSMv2
REQUIRES GSM Controller -> see link -> GSM-V2 or LAN Controller