84873220 Datasheet, PDF (1/4 Pages) List of Unclassifed Manufacturers – 3-phase voltage control relay - 17.5 mm / 35 mm H3US Part number 84873220

26/02/2014
www.crouzet.com
3-phase voltage control relay - 17.5 mm / 35 mm H3US Part number 84873220
H3US and M3US relays control, on 3-phase networks :
- overvoltage between phases,
- undervoltage between phases
The H3USN relay controls, on 3-phase networks :
- overvoltage between phases and neutral,
- undervoltage between phases and neutral,
- loss of neutral
Multi-voltage Products
Controls its own supply voltage
True RMS measurement
LED status indication
Part numbers
Type Function
84873220 H3US Under/overvoltage between phases
Nominal voltage (V)
3 x 220 →3 x 480 V AC
Output
2 single changeover relays / one per threshold
Specifications
Supply
AC supply voltage frequency
Galvanic isolation of power supply/measurement
Inputs and measuring circuit
Frequency of measured signal
Max. measuring cycle time
Voltage threshold adjustment
Fixed hysteresis
Display precision
Repetition accuracy with constant parameters
Measuring error with voltage drift
Measuring error with temperature drift
Timing
Delay on thresold crossing Tt
Repetition accuracy with constant parameters
Reset time
Alarm on delay time max.
Output
Type of contacts
Maximum breaking voltage
Max. breaking current
Min. breaking current
Breaking capacity (resistive)
Maximum rate
Operating categories acc. to IEC/EN 60947-5-1
Mechanical life (operations)
Insulation
Nominal insulation voltage IEC/EN 60664-1
Insulation coordination (IEC/EN 60664-1)
Rated impulse withstand voltage (IEC/EN 60664-1)
Dielectric strength (IEC/EN 60664-1)
Insulation resistance (IEC/EN 60664-1)
General characteristics
Display power supply
Display relay
Mounting
Mounting position
Material : enclosure plastic type VO to UL94 standard
Protection (IEC/EN 60529)
50 / 60 Hz ±10 %
No
50 →60 Hz ± 10 %
150 ms/True RMS measurement
Undervoltage -2 to -20 % of selected Un
for M3US :
(-2 to -12 % across the 3 x 208 V range)
(-2 to -17 % across the 3 x 220 V range)
for H3US :
(-2 to -12 % across the 3 x 220 V range)
Overvoltage 2→20 % of selected Un
For M3US and H3US :
(+2 →+10 % across the 3 x 480 V AC range)
2 % of Un (M3US, H3US)
± 3 % of the displayed value
± 0,5 %
< 1 % across the whole range
0,05 % / °C
0,3 →30 s (0, +10 %)
±3%
1500 ms
200 ms
No cadmium
250 V AC/DC
5 A AC/DC
10 mA / 5 V DC
1250 VA AC
360 operations/hour at full load
AC 12, AC 13, AC 14, AC 15, DC 12, DC 13, DC 14
30 x 10⁶
400 V
Overvoltage category III : degree of pollution 3
4 KV (1,2 / 50 μs)
2 kV AC 50 Hz 1 min
> 500 MΩ / 500 VDC
Green LED
Yellow LED (1 for M3US, 2 for H3US and H3USN)
On 35 mm symmetrical DIN rail, IEC/EN 60715
All positions
Incandescent wire test according to IEC/EN 60695-2-11
Terminal block : IP 20
Casing : IP30
Unless otherwise specified, the characteristics given are applicable to all or part of the product range selected