UL; CSA; VDE. Derating will limit the maximum load current at temperatures above 25 °C. Integral heatsink and DIN rail clip included. CMRD/A Series, 240/480/600Vac, ac O/P SSRs. Zero Voltage Switching Random Turn-on (55A 240V a.c. only) SCR Output SPST-NO Contact arrangement Integral heatsink and DIN rail clip LED Status Indicator Integral safety cover which provides a fingerproof solution Dimensions: H109.2 x W44.5 x D76.2mm Caged terminals (Rising Clamp) 8pF Input-Output Capacitance