BUY SSTC-4A https://www.utsource.net/itm/p/8936648.html
Slow Blow Acting fuse SSTC-4A 1808-4A marking 4A
SSTC-4A (1808-4A，SOC) is a four-channel solid-state relay module manufactured by Sunon Fans. It is a single-phase, zero-crossing, zero-voltage switching (ZVS) type relay module. It features a wide operating voltage range of 3.3V to 24V, a maximum load current of 4A, and a maximum switching power of 75W. It is suitable for use in a wide range of applications, including industrial automation, home automation, lighting control, and motor control. (For reference only)