Crouzet 84874200 Data Sheet

Pump control

HPC

Part numbers

Product adaptations

Accessories

➜ 3-phase and single phase pump control relay - 35 mm

■ 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

Type Measurement ranges Nominal voltage (V) Code

HPC 1 A

➞ 10 A in DC

208

➞ 480 V

230 V

■ Customisable colours and labels

■ Fixed or adjustable time delay

■ Fixed threshold in the generic range

a

a

monophase

3-phase

84874200

Description Code

Removable sealable cover for 35 mm casing

84800001

66

www.crouzet.com

General characteristics

Supply

Supply voltage Un

208 V

230 V
Voltage supply tolerance -12% / +10%
Operating range

a

supply voltage frequency

183

➞ 528 V

50/60 Hz ± 10%
Galvanic isolation of power supply/measurement No

Power consumption at Un

5 VA in
Immunity from micro power cuts 500 ms

Inputs and measuring cicuit

Measurement ranges

1

➞ 10 A

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 0.1
Adjustment of lower threshold 0.1

➞ 10 A
➞ 10 A

Fixed hysteresis 5% of displayed threshold
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
Delay on threshold crossing 0.1

➞ 60 s (0, + 10%)

➞ 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

Max. breaking current
Min. breaking current
Electrical life (number of operations)
Breaking capacity (resistive)

250 V

z

5 A

10 mA / 5 V

5

1 x 10

1250 VA
Maximum rate 360 operations/hour at full load
Operating categories acc. to IEC 60947-5-1 AC 12, AC 13, AC 14, AC 15, DC 12, DC 13
Mechanical life (operations)

DC 14, 30 x 10

Insulation

Nominal insulation voltage IEC 60664-1 400 V
Insulation coordination (IEC 60664-1 / 60255-5) Overvoltage category III: degree of pollution 3
Rated impulse withstand voltage IEC 60664-1/60255-5 4 kV (1.2 / 50 µs)
Dielectric strength IEC 60664-1/60255-5

Insulation resistance IEC 60664-1 / 60255-5

a

2 kV

> 500 MΩ 500 V

a

➞ 480 V

a

monophase

a

a

a

z

c

a

6

50 Hz 1 min

3-phase *

c

67