Main range of productZelio Time product or component typeOptimum industrial timing relay component nameRE8 time delay typeC time delay range0.1...10 s sale per indivisible quantity1 Complementary discrete output typeRelay contacts materialSilver nickel contacts width pitch dimension22.5 mm [Us] rated supply voltage110...240 V AC 50/60 Hz voltage range0.9...1.1 Us connections - terminalsScrew terminals, 2 x 1.5 mm² flexible with cable endScrew terminals, 2 x 2.5 mm² flexible without cable end tightening torque0.6…1.1 N.m setting accuracy of time delay+/- 20 % of full scale repeat accuracy< 1 % voltage drift< 2.5 %/V temperature drift< 0.2 %/°C minimum pulse duration26 ms reset time50 ms maximum switching voltage250 V mechanical durability20000000 cycles [Ith] conventional free air thermal current8 A maximum [Ie] rated operational current2 A DC-13 24 V at 70 °C conforming to IEC 60947-5-1/19912 A DC-13 24 V at 70 °C conforming to VDE 06603 A AC-15 24 V at 70 °C conforming to IEC 60947-5-1/19913 A AC-15 24 V at 70 °C conforming to VDE 06600.1 A DC-13 250 V at 70 °C conforming to IEC 60947-5-1/19910.1 A DC-13 250 V at 70 °C conforming to VDE 06600.2 A DC-13 115 V at 70 °C conforming to IEC 60947-5-1/19910.2 A DC-13 115 V at 70 °C conforming to VDE 0660 minimum switching capacityat 12 V 10 mA input voltage110...240 V Y1 terminal(s) maximum switching current10 mA (Y1) input compatibility2-wire sensors DC with leakage current < 1 mA <50 m Y1 terminal(s) markingCE overvoltage categoryIII conforming to IEC 60664-1 [Ui] rated insulation voltage250 V conforming to IEC300 V conforming to CSA supply disconnection value> 0.1 Uc operating positionAny position without derating surge withstand2 kV conforming to IEC 61000-4-5 level 3 power consumption in VA1.8 VA at 110 V8.5 VA at 240 V terminal description(Y1)UNUSED(A1-A2)CO(15-16-18)OC_ON height78 mm width22.5 mm depth80 mm net weight0.11 kg Environment immunity to microbreaks3 ms standardsEN/IEC 61812-1 product certificationsGLCSAUL ambient air temperature for storage-40…85 °C ambient air temperature for operation-20…60 °C relative humidity15…85 % 3K3 conforming to IEC 60721-3-3 vibration resistance0.35 mm (f= 10…55 Hz) conforming to IEC 60068-2-6 IP degree of protectionIP20 (terminals)IP50 (casing) pollution degree3 conforming to IEC 60664-1 dielectric test voltage2.5 kV non-dissipating shock wave4.8 kV resistance to electromagnetic fields10 V/m conforming to IEC 61000-4-3 level 3 resistance to fast transients2 kV conforming to IEC 61000-4-4 level 3 disturbance radiated/conductedCISPR 11 group 1 - class ACISPR 22 - class A Contractual warranty Warranty18 months
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Dimensions DrawingsWidth 22.5 mmRail MountingScrew Fixing
Connections and SchemaInternal Wiring DiagramRecommended Application Wiring DiagramControl of Several Relays
Control of several relays with a single external control contact
The external control contact C may be an electronic control device, for example a true-wire sensor. In this case A1-A2= 24 Vdc and the control device can only control-up to a maximum of 4 relays.Connection of a 2-Wire Sensor
Leakage current (open state) if < 1 mA.
Performance CurvesPerformance CurvesA.C. Load Curve 1
Electrical durability of contacts on resistive loading millions of operating cyclesXCurrent broken in AYMillions of operating cyclesA.C. Load Curve 2
Reduction factor k for inductive loads (applies to values taken from durability curve 1).XPower factor on breaking (cos ϕ)YReduction factor k
Example: An LC1-F185 contactor supplied with 115 V/50 Hz for a consumption of 55 VA or a current consumption equal to 0.1 A and cos ϕ = 0.3. For 0.1 A, curve 1 indicates a durability of approximately 1.5 million operating cycles. As the load is inductive, it is necessary to apply a reduction coefficient k to this number of cycles as indicated by curve 2. For cos ϕ = 0.3: k = 0.6 The electrical durability therefore becomes:1.5 106 operating cycles x 0.6 = 900 000 operating cycles.D. C. Load Limit CurveXCurrent in AYVoltage in V1L/R = 20 ms2L/R with load protection diode3Resistive load
Technical DescriptionFunction C : Off-Delay Relay with Control SignalDescription
After power-up and closing of the control contact C, the output R closes. When control contact C re-opens, timing T starts. At the end of the timing period, the output(s) R revert(s) to its/their initial state. The second output can be either timed or instantaneous.Function: 1 OutputFunction: 2 Outputs
2 timed outputs (R1/R2) or 1 timed output (R1) and 1 instantaneous output (R2 inst.)Legend
Relay or solid state outputR1/R2
2 timed outputsR2 inst.
The second output is instantaneous if the right position is selectedT
Timing periodTa -
Adjustable On-delayTr -