Описание
Технические характеристики 84874200 Crouzet Реле управления насосом: Supply Supply voltage Un 208 V.480 V 3-phase *230 V monophase Voltage supply tolerance -12 % / +10 % Operating range 183 →528 V AC AC supply voltage frequency 50/60 Hz ± 10 % Galvanic isolation of power supply/measurement No Power consumption at Un 5 VA in AC Immunity from micro power cuts 500 ms Inputs and measuring circuit Measurement ranges 1 →10 A AC E1-L2 : 1 →10 A Input resistance E1-L2 : 0,01 Ω Permanent overload at 25 °C E1-L2 : 11 A Pulse overload < 1 sec at 25 °C E1-L2 : 50 A Frequency of measured signal 50 / 60 Hz : ± 10 % Max. measuring cycle time 150 ms/True RMS measurement Adjustment of upper threshold 1 →10 A Adjustment of lower threshold 1 →10 A Fixed hysteresis 5 % of displayed treshold Display precision ±10 % of full scale Repetition accuracy with constant parameters ± 0,5 % Measuring error with voltage drift < ± 1 % across the whole range Measuring error with temperature drift ± 0,05 % / °C Timing Delays on power up (Ti) 1 →60 s (0, + 10 %) Delay on thresold crossing Tt 0,1 →10 s (0, + 10 %) Repetition accuracy with constant parameters ± 1 % Reset time 2 s Y2 minimum reset time 300 ms Delay on pick-up 500 ms Alarm on delay time max. 300 ms Output Type of output 1 single pole changeover relay Type of contacts No cadmium Maximum breaking voltage 250 V AC/DC Max. breaking current 5 A AC/DC Min. breaking current 10 mA / 5 V DC Electrical life (number of operations) 1 x 105 Breaking capacity (resistive) 1250 VA AC Maximum rate 360 operations/hour at full load Operating categories acc. to IEC/EN 60947-5-1 AC 12, AC 13, AC 14, AC 15, DC 12, DC 13 Mechanical life (operations) DC 14, 30 x 106 Insulation Nominal insulation voltage IEC/EN 60664-1 400 V Insulation coordination (IEC/EN 60664-1) Overvoltage category III : degree of pollution 3 Rated impulse withstand voltage (IEC/EN 60664-1) 4 kV (1,2 / 50 μs) Dielectric strength (IEC/EN 60664-1) 2 kV AC 50 Hz 1 min Insulation resistance (IEC/EN 60664-1) > 500 MΩ 500 V DC
