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Specifications

WM Series Lightning Protective and Surge Immunity
High Performance Transducers
More PROTECTIVE
GOOD EMC PERFORMANCE
CE and RoHS conformance
Features Summary
WM Series protective Electrical Transducers / Sensors are special made Separation modules which have more enhanced EMC circuitry design and lightning-protection design to provide customers with better working performance. These series transducers which are featured with high accuracy, high voltage insulation, broadened bandwidth, big operating temperature range, small temperature drifting and low power consumption, and can be used in hazardous environment. 
Applications
These series product lines are suitable application for real-time measurement & monitoring of all kinds of power equipment, air-conditioning units in telecom station to secure the telecom system working normally. And the Products are also suitable application for signal measurement and monitoring of industrial field control.
Main Technical Index
Over load capacity
AC current input (H) : 10 times of nominal input value; hold for 1 second; stop 10 seconds; can repeat 10 times
AC current input (F; R-3-phase): 20 times of nominal input value; hold for 1 second,; stop 300 seconds, can repeat 5 times
AC voltage input : 2 times of nominal input value; hold for 1 second; stop 10 seconds; can repeat 10 times
Linear range
0%-120%
Frequency
25Hz-5KHz
accuracy
0.2%; or 0.5%
Load capacity
Smaller than 500Ω or 300Ω
Response Time
200ms to 300ms
Thermal Drift
350ppm
Output ripple
Smaller than 10mV
Isolation Voltage
DC 2500V; AC 2000V (for surge immunity)
Operating Temperature
-25°C - +70°C
Relative Humidity: ≤95%; no water condensation
Regulation agencies followed
EN 61326:2006; EN60100:2001; IEC61000-4-5;IEC61000-4-2

o AC Current transducers
WMI414F21-S/WMI412F21-S
o  single phase, available in case style F : Ø 20mm
      Input AC 30A---to 400A
output 4-20mA; 0-5V; 0-10V
Supply power DC 12V, 24V
Input to Output isolated
WMI414H25/WMI414H29/WM412H25/WMI414H29
o  Input to Output to Power Supply Isolated, available in case style H
o  Input AC 1A---5A
output 4-20mA; or 0-5V; or 0-10V; or 1V- 5V
Supply power DC 12V, 0r 24V; or AC/DC 85V—265V
WM3I414R01-S (3-PHASE)
o  Input to Output isolated; loop powered; three-phase, available case style R
o  Input AC 1A;2A;3A;5A
Output 4-20mA
Supply power DC 12V, 0r 24V;
o AC Voltage transducers
WMV412H25/WMV414H25/WMV414H29/WMV412H29
o  Input to Output to Power Supply Isolated, Available in Case Style H
o  Input AC 10V---500V;
output 4-20mA; or 0-5V; or 0-10V; or 1V- 5V
Supply power DC 12V, 0r 24V; or AC/DC 85V—265V
WM3V414R01-AS (3-PHASE)
o  Loop Powered, three-phase, available in case style R
o  Input AC 300V;500V
Output 4-20mA
Supply power DC 12V, 0r 24V;
 
 
o DC Voltage Transducers
WMV144H21-AS
o  Adopt Photoelectric Isolation Principle, Input to Output to Supply Power isolated, available in case H
o  Input DC 100mV; 70V
Output 4-20mA
Supply power DC 12V, 0r 24V;
Model Selection Table 
A.     AC Current Transducers / Sensors
Model No.
 
Input
Output
Power
Supply
Response
Time (ms)
Remarks
 
Case
Structure
WMI412H25
AC 0.1A;
0.5A;
1A……5A
DC 0-5V;
0-10V;
1-5V;
DC
+12V;
+24V
200
Input/output / power supply Isolation
H2
WMI412H29
AC 0.1A;
0.5A;
1A……5A
DC
0-5V
0-10V
1-5V
AC/DC
85V-265V
200
Input/output / power supply Isolation
H2
WMI414H25
AC 0.1A;
0.5A;
1A……5A
DC
4-20mA
0-20mA
DC
+12V;
+24V
200
Input/output / power supply Isolation
H2
WMI414H29
AC 0.1A;
0.5A;
1A……5A
DC
4-20mA
0-20mA
AC/DC
85V-265V
200
Input/output / power supply Isolation
H2
WMI414F21-S
AC
30A;
50A;
80A…
400A
DC
4-20mA
DC
+12V;
+24V
300
Surge-
Protection
Circuit
F2
WM3I414R01-S
AC 1A; 5A;
DC
4-20mA
DC
+12V;
+24V
300
Surge Immunity
R
B.  DC Voltage Transducers / Sensors
Model No.
 
Input
Output
Power
Supply
Responding
Time
Remarks
 
Case
Structure
WMV144H21-AS
DC
100mV
70V
DC
4-20mA
DC
+12V;
+24V
250
Lightning
Protection
Anti -Surge
H2
 
C.  AC Voltage Transducers / Sensors
Model No.
 
Input
 
Output
 
Power
Supply
Responding
Time (ms)
Remarks
 
Case
Structure
WMV412H25
AC10V…500V;
 
DC
0-5V
0-10V
1-5V
DC
+12V
+24V
200
Input/output / power supply Isolation
H2
WMV412H29
 
AC/DC
85V-265V
200
Input/output / power supply Isolation
H2
WMV414H25
DC
0-20mA
4-20mA
DC
+12V
+24V
200
Input/output / power supply Isolation
H2
WMV414H29
DC
0-20mA
4-20mA
AC/DC
85V-265V
200
Input/output / power supply Isolation
H2
WM3V414R01-AS
300V;500V;
DC
4-20mA
DC
+12V
+24V
300
Input to output isolated;
Anti lightning, and surge immunity
R