High Power DC Control SSRs with Integrated Heatsink DIN Rail Mounting - Crydom CKM0630, The Sensata Crydom CKM0630 is a solid state relay with a 30 amp and 60 VDC rating.It features a compact 22.5 mm DIN rail mount design.This relay is typically used in industrial and automation applications requiring reliable switching.The solid state construction ensures durability and reduced maintenance in challenging environments. Crydom CKM0630 Solid State Relay 30A 4-32VDC