Main range of productZelio Logic product or component typeCompact smart relay Complementary local displayWith number or control scheme lines0...240 with ladder programming cycle time6...90 ms backup time10 years at 25 °C clock drift6 s/month at 25 °C12 min/year at 0...55 °C checksProgram memory on each power up [Us] rated supply voltage100...240 V AC supply voltage limits85...264 V supply frequency50/60 Hz supply current30 mA at 240 V (without extension)80 mA at 100 V (without extension) power consumption in VA7 VA without extension isolation voltage1780 V protection typeAgainst inversion of terminals (control instructions not executed) discrete input number6 discrete input voltage100...240 V AC discrete input current0.6 mA discrete input frequency47...53 Hz57...63 Hz voltage state 1 guaranteed>= 79 V for discrete input voltage state 0 guaranteed<= 40 V for discrete input current state 1 guaranteed>= 0.17 mA for discrete input current state 0 guaranteed<= 0.5 mA for discrete input input impedance350 kOhm (discrete input) number of outputs4 relay output(s) output voltage limits24...250 V AC5...30 V DC (relay output) contacts type and compositionNO for relay output output thermal current8 A for all 4 outputs (relay output) electrical durability500000 cycles AC-12 at 230 V, 1.5 A for relay output conforming to EN/IEC 60947-5-1500000 cycles AC-15 at 230 V, 0.9 A for relay output conforming to EN/IEC 60947-5-1500000 cycles DC-12 at 24 V, 1.5 A for relay output conforming to EN/IEC 60947-5-1500000 cycles DC-13 at 24 V, 0.6 A for relay output conforming to EN/IEC 60947-5-1 switching capacity in mA>= 10 mA at 12 V (relay output) operating rate in Hz0.1 Hz (at Ie) for relay output10 Hz (no load) for relay output mechanical durability10000000 cycles (relay output) [Uimp] rated impulse withstand voltage4 kV conforming to EN/IEC 60947-1 and EN/IEC 60664-1 clockWithout response time10 ms (from state 0 to state 1) for relay output5 ms (from state 1 to state 0) for relay output50 ms with ladder programming (from state 0 to state 1) for discrete input50 ms with ladder programming (from state 1 to state 0) for discrete input50...255 ms with FBD programming (from state 0 to state 1) for discrete input50...255 ms with FBD programming (from state 1 to state 0) for discrete input connections - terminalsScrew terminals, clamping capacity: 1 x 0.2...1 x 2.5 mm² AWG 25...AWG 14 semi-solidScrew terminals, clamping capacity: 1 x 0.2...1 x 2.5 mm² AWG 25...AWG 14 solidScrew terminals, clamping capacity: 1 x 0.25...1 x 2.5 mm² AWG 24...AWG 14 flexible with cable endScrew terminals, clamping capacity: 2 x 0.2...2 x 1.5 mm² AWG 24...AWG 16 solidScrew terminals, clamping capacity: 2 x 0.25...2 x 0.75 mm² AWG 24...AWG 18 flexible with cable end tightening torque0.5 N.m overvoltage categoryIII conforming to EN/IEC 60664-1 product weight0.25 kg Environment immunity to microbreaks<= 10 ms product certificationsCSAC-TickGLGOSTUL standardsEN/IEC 60068-2-27 EaEN/IEC 60068-2-6 FcEN/IEC 61000-4-11EN/IEC 61000-4-12EN/IEC 61000-4-2 level 3EN/IEC 61000-4-3EN/IEC 61000-4-4 level 3EN/IEC 61000-4-5EN/IEC 61000-4-6 level 3 IP degree of protectionIP20 (terminal block) conforming to IEC 60529IP40 (front panel) conforming to IEC 60529 environmental characteristicEMC directive conforming to EN/IEC 61000-6-2EMC directive conforming to EN/IEC 61000-6-3EMC directive conforming to EN/IEC 61000-6-4EMC directive conforming to EN/IEC 61131-2 zone BLow voltage directive conforming to EN/IEC 61131-2 disturbance radiated/conductedClass B conforming to EN 55022-11 group 1 pollution degree2 conforming to EN/IEC 61131-2 ambient air temperature for operation-20...40 °C in non-ventilated enclosure conforming to IEC 60068-2-1 and IEC 60068-2-2-20...55 °C conforming to IEC 60068-2-1 and IEC 60068-2-2 ambient air temperature for storage-40...70 °C operating altitude2000 m altitude transport<= 3048 m relative humidity95 % without condensation or dripping water Contractual warranty Warranty period18 months
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Dimensions DrawingsCompact and Modular Smart RelaysMounting on 35 mm/1.38 in. DIN Rail(1)With SR2USB01 or SR2BTC01Screw Fixing (Retractable Lugs)(1)With SR2USB01 or SR2BTC01Position of Display
Connections and SchemaConnection of Smart Relays on AC SupplySR••••1B, SR••••1FU(1)1 A quick-blow fuse or circuit-breaker.(2)Fuse or circuit-breaker.(3)Inductive load.(4)Q9 and QA: 5 A (max. current in terminal C: 10 A).With Discrete I/O Extension Module
SR3B•••B + SR3XT•••B, SR3B•••FU + SR3XT•••FU(1)1 A quick-blow fuse or circuit-breaker.
NOTE: QF and QG: 5 A for SR3XT141••
Performance CurvesCompact and Modular Smart RelaysElectrical Durability of Relay Outputs
(in millions of operating cycles, conforming to IEC/EN 60947-5-1)
AC-12 (1)X:Current (A)Y:Millions of operating cycles(1)AC-12: switching resistive loads and opto-coupler isolated solid-state loads, cos ≥ 0.9.
AC-14 (1)X:Current (A)Y:Millions of operating cycles(1)AC-14: switching small electromagnetic loads ≤ 72 VA, make: cos = 0.3, break: cos = 0.3.
AC-15 (1)X:Current (A)Y:Millions of operating cycles(1)AC-15: switching electromagnetic loads ≥ 72 VA, make: cos = 0.7, break: cos = 0.4.