Item Specifications Applicable Current Range Single-phase 10A–40A Overall Length 80 mm Top Length 60 mm Top Width 49 mm Mounting Hole Spacing 49 mm Height 50 mm Additional Notes This is an aluminum alloy heat sink specifically designed for solid-state relays, featuring multiple heat dissipation fins. It is used to dissipate heat from single-phase 10A–40A solid-state relays, thereby reducing operating temperature and improving stability and service life.