Also known as Power Controller or Proportional Control Solid State Relay

(Model numbers start with: S-240… or S-480...)

Satronix Analog Control Relays alternatively know as Power Controllers or Proportional Controllers are used for linear power control for resistive or selective inductive load applications.

Important Features

Satronix Analog Solid State Relays have the following powerful features -:

- Load Power linearly controllable from 0 to 100%

- Built-in power supply eliminates the need for auxiliary control input

- Built using Direct Bonded Copper Substrate -:

  • Offers superior thermal conductivity
  • Low Co-efficient for thermal expansion ensuring
  • Excellent electrical insulation and heat spreading characteristics

- Input Linear Control from PID, PLC


- Available for 1-phase, 2-phase and 3-phase load switching- Control input options - 4 to 20 mA, 0 to 10 VDC or 0-5VDC
- Load Voltage 25-480 VAC rms
- Load Current 25-90Amps per phase
- Higher ratings 110Amps to 205 Amps available upon request


  • Textile Industry
  • Plastic Industry
  • Furnace control
  • Packaging
  • Heat tracing
  • Solder wave re-flow systems

Terms used -: Analog Proportional Controller, Analog Solid State Relay, Power Controller, Heater Controller, Proportional Control Solid State Relay, Phase Controllers.


1-Phase Analog Proportional Relay

1-Phase Analog Proportional Relay

3-Phase Proportional Controller

3-Phase Proportional Controller