This Zelio Logic SR2 compact smart relay / programmable controller uses a supply voltage of 100V to 240V alternating current. It has 12 inputs / outputs with screw-clamp terminals, has an integrated clock and LCD display. It has compact design, allowing installation on DIN rail. It also offers simple programming, display and diagnosing of malfunctions display and navigation buttons. Its simple ladder programming makes it adapted for non-specialists. Specifications Main range of product Zelio Logic Product or component type Compact smart relay Complementary Local display With Number or control scheme lines 0…240 ladder 0…500 FBD Cycle time 6…90 ms Backup time 10 years 77 °F (25 °C) Clock drift 12 min/year 32…131 °F (0…55 °C) 6 s/month 77 °F (25 °C) Checks Program memory on each power up [Us] rated supply voltage 100...240 V AC Supply voltage limits 85…264 V Supply frequency 50/60 Hz Maximum supply current 30 mA 240 V without extension) 80 mA 100 V without extension) Power consumption in VA 7 VA without extension Isolation voltage 1780 V Protection type Against inversion of terminals (control instructions not executed) Discrete input number 8 Discrete input voltage 100...240 V AC Discrete input current 0.6 mA Discrete input frequency 47...53 Hz 57...63 Hz Voltage state 1 guaranteed >= 79 V discrete input Voltage state 0 guaranteed <= 40 V discrete input Current state 1 guaranteed >= 0.17 mA discrete input) Current state 0 guaranteed <= 0.5 mA discrete input) analogue input number 0 Input impedance 350 kOhm discrete input Number of outputs 4 relay Output voltage limits 5...30 V DC relay output) 24...250 V AC Contacts type and composition NO relay output Output thermal current 8 A for all 4 outputs relay output Electrical durability AC-12 500000 cycles 230 V, 1.5 A relay output IEC 60947-5-1 AC-15 500000 cycles 230 V, 0.9 A relay output IEC 60947-5-1 DC-12 500000 cycles 24 V, 1.5 A relay output IEC 60947-5-1 DC-13 500000 cycles 24 V, 0.6 A relay output IEC 60947-5-1 Switching capacity in mA >= 10 mA 12 V relay output) Operating rate in Hz 0.1 Hz at Ie)relay output 10 Hz no load)relay output Mechanical durability 10000000 cycles relay output [Uimp] rated impulse withstand voltage 4 kV EN/IEC 60947-1 and EN/IEC 60664-1 clock With Response time 50 ms ladder from state 0 to state 1)discrete input 50 ms ladder from state 1 to state 0)discrete input 50...255 ms FBD from state 0 to state 1)discrete input 50...255 ms FBD from state 1 to state 0)discrete input 10 ms from state 0 to state 1)relay output 5 ms from state 1 to state 0)relay output Connections - terminals Screw terminals, 1 x 0.2...1 x 2.5 mm² AWG 25...AWG 14) semi-solid Screw terminals, 1 x 0.2...1 x 2.5 mm² AWG 25...AWG 14) solid Screw terminals, 1 x 0.25...1 x 2.5 mm² AWG 24...AWG 14) flexible with cable end Screw terminals, 2 x 0.2...2 x 1.5 mm² AWG 24...AWG 16) solid Screw terminals, 2 x 0.25...2 x 0.75 mm² AWG 24...AWG 18) flexible with cable end Tightening torque 4.43 lbf.in (0.5 N.m) Overvoltage category III IEC 60664-1 Net weight 0.55 lb(US) (0.25 kg)