The output of Shelly EM/3EM, can be used to switch small load (up to 2A for Shelly EM and up to10A for Shelly 3EM). Optionally you can connect external contactor and control bigger loads in depends of the contactor specifications.
The output of Shelly EM/3EM, can be used to switch small load (up to 2A for Shelly EM and up to10A for Shelly 3EM). Optionally you can connect external contactor and control bigger loads in depends of the contactor specifications.