Key Technical Parameters General Data Parameter Value Version WTR Timer, On-delay timing relay Type WTR 220VDC Number of contacts 2 changeover contacts (DPDT / 2 Form C) Contact material AgNi 90/10 Timing function On-delay (Switch-on delay) Time range 0.1 s ... 160 s (on-delay), 0.1 s ... 160 s (off-delay) Mounting type DIN rail TS 35 Connection method Screw connection Coil Side (Input) Parameter Value Rated control voltage 220 V DC Control voltage range 143 V ... 370 V DC Status indication LED green (supply voltage), LED orange (relay output) Contact Side (Output) Parameter Value Contact type 2 changeover contacts (DPDT) Contact material AgNi 90/10 Continuous current 8 A Rated switching voltage 250 V AC / 30 V DC Max. switching capacity (AC) 2000 VA Max. switching current 8 A Repeat accuracy ± 0.5 % Dimensions and Weight Parameter Value Width 22.5 mm Height 63 - 92.4 mm (depending on measurement method) Depth / Length 90 - 112.4 mm (depending on measurement method) Net weight Approx. 81.8 - 139 g Insulation & Safety Parameter Value Degree of protection IP20 Pollution severity 2 Overvoltage category III Impulse withstand voltage 4.8 kV / 3x Standards DIN EN61812-1, IEC 60947-5-1 Environmental Data Parameter Value Operating temperature -20 °C ... +55 °C Storage temperature -25 °C ... +75 °C Humidity 5 ... 95 % (no condensation) Connection Data (Screw Connection) Parameter Value Stripping length 7 mm Screwdriver blade size 0.6 x 3.5 mm Solid (min/max) 0.5 mm² / 4 mm² Stranded (min/max) 0.5 mm² / 4 mm² Finely stranded with ferrule (min/max) 0.5 mm² / 2.5 mm² Tightening torque 0.5 Nm (approx. 4.5 lb-in)