Sample roasters, accessories, spare parts, and more › Solid State Relay, 25A Image 1 of 1 Solid State Relay, 25A €40.00 Power relay, to change the voltage to 24V. Add To Cart Added! Power relay, to change the voltage to 24V. You Might Also Like Quick View Conversion kit €120.00 Quick View Extra cooling tray from €100.00 Quick View Buzzer €20.00 Quick View 5" TFT LCD Touch Screen €200.00 Quick View First Crack Detection €750.00