Schneider Electric Ltd

Schneider Electric Ltd

- Model RTC48 - Temperature Controller



Suitable for temperature regulation in heating and refrigeration applications, this cost-effective Zelio RTC48 temperature controller combines simplicity, performance and value with the ability to interface with solid-state relays, electromechanical relays, PLCs and HMI displays.

Measurement and control relays could monitor power supplies (phases, voltage, current, frequency) to protect motors and other equipments or control physical values such as level, speed and temperature.


Simple and accurate adjustments are a sure-fire way to achieve quick and easy setup. These relays can satisfy all the monitoring requirements of mobile process control or network equipment.


  • Industry and domestic: switchboards in simple machines, motors and process monitoring
  • Start-up and monitoring of water treatment equipment
Phase control relay
  • Detects all possbile faults happen to the phases
Voltage & current control relays
  • Ensure your equipment is powered with proper values
Frequency control relay
  • Monitors frequency variation from your power generation set
Level control relay
  • Filling or emptying, adapt to all kinds of materials
Pump control relay
  • Controls and protects your pump from dry running or overloaded
Speed control relay
  • Picks up the improper rhythm of your process
Temperature control relay for lift application 
  • Dedicates to lift temperature monitoring (EN81)
Temperature control relays 
  • Dedicated to temperature regulation (heating, cooling or heating/cooling of processes)

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