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Solid State Relays (SSR)

A solid state relay (SSR) is a digital switch for AC current. With a small DC voltage, it can switch high AC currents.

When using SSRs to switch high currents (for heating elements), they do require a heat sink. For switching a small fridge or 60W heater, the current is so low that a heat sink is usually not necessary.

 

Compared to mechanical relays, SSRs have a few benefits: 

  • They switch on an AC zero crossing, resulting in much smaller inrush currents
  • They do not have a limited number of switching cycles, so they are suitable for switching often (as done with PWM).
  • They are silent

 

 

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  1. Solid State Relay (SSR), 10A
    Excl. Tax: €8.00 Incl. Tax: €9.68
    Solid State Relay (SSR), ideal to switch AC voltages with an Arduino. Learn More
  2. SSR heat sink
    Excl. Tax: €4.00 Incl. Tax: €4.84
    Aluminium heat sink for 1 SSR. Learn More
  3. Water level float switch (dry-fire protection for heating element)
    Excl. Tax: €9.00 Incl. Tax: €10.89
    Water level float switch to protect your heating element from dry firing. Learn More
  4. 3-phase Solid State Relay (SSR), 30A
    Excl. Tax: €45.00 Incl. Tax: €54.45
    3-phase Solid State Relay (SSR), 30A, suitable for our biggest 3-phase for heating element Learn More
  5. Water level float switch dual (dry-fire protection for heating element)
    Excl. Tax: €10.00 Incl. Tax: €12.10
    Water level float switch to protect your heating element from dry firing or to maintain a certain water level Learn More
  6. Solid State Relay (SSR), 40A
    Excl. Tax: €11.00 Incl. Tax: €13.31
    40A Solid State Relay (SSR), ideal to switch heating elements with an Arduino. Learn More
  7. 3-phase Solid State Relay (SSR), 20A
    Excl. Tax: €32.50 Incl. Tax: €39.33
    3-phase Solid State Relay (SSR), suitable for our 3-phase for heating elements Learn More
  8. DC Voltage Solid State Relay (SSR), 10A
    Excl. Tax: €8.00 Incl. Tax: €9.68
    DC Solid State Relay (SSR), suitable for switching DC voltages with the BrewPi Spark Learn More
  9. BrewPi OneWire SSR expansion board
    Excl. Tax: €15.00 Incl. Tax: €18.15
    This boards connects 1 or 2 SSRs and up to 3 extra temperature sensors to your BrewPi Spark. Learn More
  10. Low profile SSR heat sink
    Excl. Tax: €8.00 Incl. Tax: €9.68
    Low profile aluminium heat sink for 1 SSR. 12.3 x 7.0 x 5.0 cm Learn More

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