SSR semiconductor relay for switching load currents in 3 variants. You can find the fitting heat sink here.
1) SSR solid-state-relais for switching load currents ranging from 12-60V DC, up to a current of max. 40 amps (nominal load). 2) SSR solid-state-relais for switching load currents ranging from 24-480V AC, up to a current of max. 10 amp
