Voltage Input : 12 VDC 24 VDCCurrent Draw : 12V 480mA ; 24V 240mA (5%)Dry Reed Contact (Max) : 100VDC, 0.25A, 3WAnti-Rust Surface Treatment : Blue Zinc PlatingOperating Temperature : 055 C ( 32131 F)Operating Humidity : 095% ( non condensing)Weight ( Magnet) : 1.0 kg (1%)Dimensions : Magnet (L)195x(W)35.5x(T)27 mmArmature (L)180x(W)38x(T)11 mm