HPF240D20S is a DIN rail mount solid state relay from Crydom's Series HPF, featuring an internal snubber (S suffix) and SCR output with zero voltage turn-on switching. It supports an operating voltage range of 48-530 Vrms (snubbered version), a maximum load current of 20 Arms, and a DC control voltage range of 4-32 Vdc. The relay offers low off-state leakage current of 10 mArms, integral heat sink, LED status indicator, and dielectric strength of 4000 Vrms. With an ambient operating temperature range of -40 to 80°C and compact design with cage type terminals, this relay is ideal for industrial automation, heating control, and other AC switching applications requiring reliable thermal management.