EMS-3

Use your solar generated electricity for hot water production

Photovoltaic system control
☀️☀️☀️
EMS-3 PV CONTROL + DC current measuring transformer


The EMS-3 controller is designed to automatically control electrical devices when the inverter exceeds the set power production threshold. It is ideal for compensating PV generation, e.g. for hot water production.

✅ Device includes:

  • A current measuring transformer that is simply clamped onto the cable between the modules and the inverter without having to disconnect cables

  • a potential-free contact [NO] for direct control of e.g. the water heater or other devices

  • LEDs to indicate the power supply to the controller and the activation of the control output;

  • Potentiometer for adjusting the output switching level

✅ Features:

  • Easy installation - just clamp the transformer onto the cable

  • Easy setting of the output switch-on threshold - above the set power

Do you have a photovoltaic system? Then this device is just right for you. Stop giving away electricity to the power plant and use your electricity instead.

➡️ Technical data:

Controller power supply: 230V~ ±15%

Voltage-free control output: Relay max. 10A/~250V (2500W)

Mounting: DIN rail TH-35

Dimensions (L x W x H): 89.5 x 50(3 modules) x 65 mm

The controller is capable of controlling three-phase devices if a three-phase contactor is added.

➡️ Application example:

We have a system of eg: 5kW. Set the potentiometer in the middle of the 50% range. Place the transformer included in the kit on the DC cables (between waveformer and panels) without loosening the installation.

When the panels start producing power - more than 50% of the installation (in this case 2.5kW) - the controller output can turn on the device that starts consuming the excess energy. When the panels produce less than 2.5kW (temporary shading), the controller turns off the device.

➡️ Other examples:

3.2kW system (30% potentiometer) Self-consumption from 960W
System 4kW (potentiometer 15%) Self-consumption from 600W
System 4kW (60% potentiometer) Self-consumption from 2.4kW
System 3kW (10% potentiometer) Self-consumption from 0.3kW