Place of origin:zhejiang, china (mainland) Model number:ssr-40da Theory:solid state relay Usage:general purpose Size:miniature Protect feature:epoxy Contact load:low power Load current:10a, 15a, 25a, 40a, 50a, 60a, 75a, 90a Load voltage:90-480vac Control voltage:3-32vdc Control current:dc3-25ma Off leakage current2ma On-off time10ms Insulation resistance:1000m/500vdc Ambient temperature:-30~+75