The LITTELFUSE CVP part RA-400112-DN is an active ROHS3 Compliant SPST-NO (1 Form A) General Purpose Power Relay that is designed to operate in temperatures ranging from -40°C to 85°C. This relay has a contact rating of 40A and operates at a coil voltage of 7.8VDC, making it suitable for a wide range of applications requiring reliable switching capabilities.