84873034 Crouzet

Phase control EWS2 Space savings, accurate measurement and optimized functions all improve the efficiency of your electrical installation Control : You simply install your EWS2 phase control relay and without any adjustment you can monitor the loss or inversion of one of the phases Safety : The EWS2 range enables you to choose the level of safety for your installation by using versions with 1, 2 or 3 output changeovers Self-powered : Simple to install, EWS2 control relays use the controlled mains supply for their own power supply voltage Part numbers Type Output relay Code EWS2 2 changeovers 84 873 034 General characteristics Input Operating range a 3 x 230 3 x 400 V Operating range a 3 x 200 3 x 484 V Frequency 50 / 60 Hz Maximum consumption 28 VA Output Output relay 2 changeovers Type of contacts No cadmium Nominal rating 8 A Maximum breaking voltage a 250 V Nominal breaking capacity 2 000 VA Min. breaking current c 10 mA / 5 V 5 Electrical life (number of operations) a 10 at 8A/250 V Maximum rate (at full load) 360 operations / hour 6 Mechanical life (operations) 10 x 10 Pick-up delay T1 650 ms Turn-off delay T2 < 300 ms 2 Connection capacity - without ferrule 1 x 0.5 4 mm (AWG 20 AWG 11) 2 2 x 0.5 2.5 mm (AWG 20 AWG 14) 2 Connection capacity - with ferrule 1 x 0.5 2.5 mm (AWG 20 AWG 14) 2 2 x 0.5 1.5 mm (AWG 20 AWG 16) Max. tightening torque (IEC/EN 60947-1) 0.6 1 Nm / 5.3 8.8 lbf.in Environment o Operating temperature range ( C) -20 +50 0 Storage temperature ( C) -40 +70 Housing material Self-extinguishing Protection (IEC/EN 60529) - Casing IP40 Protection (IEC/EN 60529) - Term. block IP20 Dielectric strength (IEC/EN 60255-5) 2.5 KV / 1 mn / 1 mA / 50 Hz Insulation coordination (IEC/EN 60664-1) Overvoltage category III, degree of pollution 3 : 4 KV / 3 Weight (g) 86 1Dimensions (mm) EWS / EWS2 68 44 22.5 23.2 5.5 Connections EWS2 L1 L2 L3 11 21 L1 L2 L3 R R 3 12 14 22 24 Principles Timing diagrams EWS2 Td : Power on delay 100% L1 Tr : Responsable time after a fault has occurred 0% R : Output relay 100% L3 L2 0% 100% L2 L3 0% Tr Tr Tr Tr On R Off TdTd TdTd TdTd TdTd 2 67.5 45 2.6 90