84873021 Crouzet USA, 84873021 Datasheet
84873021
Manufacturer Part Number
84873021
Description
PHASE MONITORING RELAY, DPDT, 484VAC
Manufacturer
Crouzet USA
Datasheet
1.84873021.pdf
(3 pages)
Specifications of 84873021
Contact Configuration
DPDT
Phase Type
3 Phase
Power Consumption
1.8VA
Supply Voltage Max
484VAC
Switching Voltage Max
250VAC
Operating Time Range
100ms To 500ms
Relay Mounting
DIN Rail
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
03/11/2010
Single function phase control relay - 17.5 mm MWS2 Part number 84873021
Supply
Inputs and measuring circuit
Timing
Output
Insulation
General characteristics
Standards
Voltage supply tolerance
AC supply voltage frequency
Galvanic isolation of power supply/measurement
Power consumption at Un
Immunity from micro power cuts
Guaranteed phase failure detection threshold
Frequency of measured signal
Delay on pick-up
Alarm on delay time max.
Type of contacts
Maximum breaking voltage
Max. breaking current
Min. breaking current
Electrical life (number of operations)
Breaking capacity (resistive)
Maximum rate
Operating categories acc. to IEC 60947-5-1
Mechanical life (operations)
Nominal insulation voltage IEC 60664-1
Insulation coordination (IEC 60664-1 / 60255-5)
Rated impulse withstand voltage IEC 60664-1/60255-5
Dielectric strength IEC 60664-1/60255-5
Insulation resistance IEC 60664-1 / 60255-5
Output relay status indication
Casing
Mounting
Mounting position
Material: enclosure plastic type VO to UL94 standard
Protection (IEC 60529)
Connecting capacity IEC 60947-1
Max. tightening torques IEC 60947-1
Operating temperature IEC 60068-2
Storage temperature IEC 60068-2
Humidity IEC 60068-2-30
Vibrations according to IEC/EN60068-2-6
Shocks IEC 60068-2-6
Marking
Product standard
Electromagnetic compatibility
84873020
84873021
MWS
MWS2
Type
Phase sequence and failure
Phase sequence and failure
Function
Control of 3-phase networks: phase sequence, total phase failure
Multi-voltage from 3 x 208 to 3 x 480 V AC
Controls its own supply voltage
True RMS measurement
LED status indication
-12% / +10%
50 / 60 Hz ± 10%
No
1.8 VA in AC
60 ms
< 100 V AC
50 →60 Hz ± 10%
500 ms
100 ms
No cadmium
250 V AC / DC
5 A AC/DC
10 mA / 5 V DC
1 x 10
1 x 10
1250 VA AC
360 operations/hour at full load
AC12, AC13, AC14, AC15, DC12, DC13
30 x 10
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 V DC
Yellow LED
17,5 mm
On 35 mm symmetrical DIN rail, IEC/EN 60715
All positions
Incandescent wire test according to IEC 60695-2-11 & NF EN 60695-2-11
Terminal block: IP20
Casing: IP30
Rigid: 1 x 4
1 x 11 AWG - 2 x 14 AWG
Flexible with ferrules: 1 x 2.5
1 x 14 AWG - 2 x 16 AWG
0,6 →1 Nm / 5,3 →8,8 Lbf.In
-20 →+50°C
-40 →+70°C
2 x 24 hr cycle 95% RH max. without condensation 55°C
10 →150 Hz, A = 0.035 mm
5 g
CE (LVD) 73/23/EEC - EMC 89/336/EEC
NF EN 60255-6 / IEC 60255-6 / UL 508 / CSA C22.2 N°14
Immunity EN 61000-6-2/IEC 61000-6-2
Emission EN 61000-6-4/EN 61000-6-3
IEC 61000-6-4/IEC 61000-6-3
Emission EN 55022 class B
5
4
6
MWS
MWS2
2
- 2 x 2.5
2
mm
3 x 208 →3 x 480 V AC
3 x 208 →3 x 440 V AC
Nominal voltage (V)
2
2
- 2 x 1.5
2
mm
2
1 single pole changeover relay
2 single pole changeover relay
Output
www.crouzet.com
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84873021 Summary of contents
Page 1
... Single function phase control relay - 17.5 mm MWS2 Part number 84873021 Control of 3-phase networks: phase sequence, total phase failure Multi-voltage from 3 x 208 480 V AC Controls its own supply voltage True RMS measurement LED status indication Type Function 84873020 MWS Phase sequence and failure ...
Page 2
... Description Removable sealable cover for 17.5 mm casing Dimension Diagram : MWS-MWS2 : 3-phase network control relays monitor the sequence of phases L1, L2, L3 and failure of one or more phases. LEDs are used for signalling. : MWS-MWS2 - Phase failure and sequence The relay monitors its own supply voltage. ...
Page 3
Legend N 1 100 mA fast-blow fuse Special adaptations Customisable colours and labels 03/11/2010 www.crouzet.com ...