Celduc Solid State Relay - 3.5-32Vdc This Celduc SO9 series IP20 panel-mount solid-state relay controls heating elements in the Sanremo F18, offering reliable zero-crossing switching in a compact panel-mount format. SPECIFICATIONS Celduc #SO963460 Input: 3.5-32Vdc Output: zero-crossing, 24-600Vac / 35A Removable IP20 flaps over input and output terminals LED input status indicator Back-to-back (inverse parallel) SCR output for long-term reliability Agency approvals: cURus (UL) Recognized, VDE, CE Made in France COMPATIBILITY Fits: Sanremo F18 espresso machines only INSTALLATION This is an electrical component wired into the machine's control circuit, so professional installation by a qualified technician is recommended. PRO TIPS The LED status indicator makes it easy to visually confirm the relay is switching correctly during troubleshooting.