- Plug and play
- Status signalling
- Requires no external power
- Switches auxiliary equipment up to 15A
- 3 year warranty
The External Contactor Module or ECM1 is used with the EL2 Master Controller, to extend the functionality of the controller to switch auxiliary equipment, such as heaters, dehumidifiers and CO2 equipment during the lights on or lights off cycle, according to the controller set lighting hours.