3
-
phase and single phase pump control relay
-
35 mm HPC Part number 84874200
Allows control and monitoring of single phase and 3-phase pumps
Monitors phase sequence and phase failure
Checks for undercurrent to protect against running dry
Checks for overcurrent to protect against overload
Digitial inputs for operation control logic
True RMS current measurement
Part numbers
Specifications
1A→10AinDC
208→480VAC3-phase 230 V monophase
208 V.480 V 3-phase *230 V monophase
AC supply voltage frequency
Galvanic isolation of power supply/measurement
Immunity from micro power cuts
Inputs and measuring circuit
1→10AAC
E1
-L2:1→10A
Permanent overload at 25 °C
Pulse overload < 1 sec at 25 °C
Frequency of measured signal
Max. measuring cycle time
150 ms/True RMS measurement
Adjustment of upper threshold
Adjustment of lower threshold
5 % of displayed treshold
Repetition accuracy with constant parameters
Measuring error with voltage drift
< ±
1 % across the whole range
Measuring error with temperature drift
1→60s(0,+10%)
Delay on thresold crossing Tt
0,1→10s(0,+10%)
Repetition accuracy with constant parameters
1 single pole changeover relay
Electrical life (number of operations)
Breaking capacity (resistive)
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)
Nominal insulation voltage IEC/EN 60664
-1
Insulation coordination (IEC/EN 60664
-1)
Overvoltage category III : degree of pollution 3
Rated impulse withstand voltage (IEC/EN 60664
-1)
Dielectric strength (IEC/EN 60664
-1)
Insulation resistance (IEC/EN 60664
-1)
Unless otherwise specified, the characteristics given are applicable to all or part of the product range selected
23/06/2014 www.crouzet.com