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60% more energy efficent
Substantial Cost Saving
Better Health
10 Year Warranty

20Amp Contact Relay


excl. tax

Available Options

20Amp Contact Relay$99.00


  • 20Amp load
  • 2 Poles
  • Normally open contact composition
  • Suitable for use with MD2 thermostat
  • Suitable for use with 6kW Soft Start
  • Increases Heater Capacity: Enables the wiring of more high-powered heaters into a single MD2 thermostat, enhancing the heating system’s capacity.
  • Supports High-Power Applications: Ideal for larger commercial spaces and high-output environments like hot yoga/Bikram studios where higher power loads are common.
  • Enhanced Load Management: Acts as a switch that can control up to 20Amps of heaters, allowing the MD2 thermostat to manage multiple contactors simultaneously for higher load limits.
  • Compatible with MD2 Thermostat: Works seamlessly with the MD2 mains-powered WiFi thermostat, which can handle up to 3.6kW or 16Amps, making it suitable for various heating scenarios.
  • Improves System Efficiency: Facilitates the control of several heaters with a single thermostat, optimizing the overall heating system for better performance.
  • Supports Soft Start Integration: When using multiple 20Amp relays, the integration of 6kW Soft Starts helps manage potential inrush currents, ensuring smooth and reliable operation.


  • Poles description: 2 Pole
  • Power pole contact composition: 2 Normally Open
  • Rated operational voltage: <= 250 V AC
  • Control circuit voltage: 220…240 V AC 50 Hz
  • Rated breaking capacity: 68 A at 400 V for power circuit conforming to IEC 61095
  • Control type: Remote control
  • Mounting mode: Clip-on
  • Net weight: 0.11 kg
  • IP Rating: IP40 (suitable for indoor use only)
  • Warranty: 24 months



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Get Yours in 3 Easy Steps


Order either directly through the site or request a free quote, where our team can help with specific requests, designs and a custom quote.


Typically delivered in 3-10 days. We work closely with your installers to get your heating installed properly.


Sit back and relax as your home is heated in an efficient, sustainable and healthy way - with almost no maintenance required.