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 ?
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 ?s)
Dielectric strength (IEC/EN 60664-1) 2 kV AC 50 Hz 1 min
Insulation resistance (IEC/EN 60664-1) > 500 M? 500 V DC