Furison Electric Co., Ltd.

China Manufacturer with main products: LCD Monitor, Touchscreen Display Monitor, Automatic Analyzer, LCTV, Current sensing transducer, current sensing switch

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current transducer

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Application of Current transducer:
Current transducer measure power and monitor filling and pumping
operations as well as monitoring changing process
Feature of current transducer:
Three ranges per unit reduces inventory by select jumper or none.
No field adjustment necessary, factory calibrated
Average measurement is equivalent to True RMS for pure
sine waves for the 0-5V,0-10V no need power supply,4-20mA series
True RMS measurement for sine waves or variable
frequency drives for the 420T series
Input / Output isolation via current transformer
Solid-state reliability
Power Supply15-42 Vdc at sensor (loop powered) Operating Temperature -30C to +70°C(32 to 104 ° F)
Input Current RangesThree field selectable ranges, 0-10/0-20/0-50 Amps
or 0-50/0-100/0-200 Amps
Operating Humidity0 to 95% RH, non-condensing
Maximum Input
10/20/50 Amp ranges – 80/120/200 Amps continuous
50/100/200 Amp ranges – 175/300/400 Amps continuous
Protection CircuitryReverse voltage protected and output
Response Time250 mS (0-90%) WiringSolid Core – Barrier strip
AC Conductor
Split Core
Split Core
Enclosure MaterialUL 94 V-0 flammability rated ABS
Enclosure Size: below dimension.
(H x W x D)
Solid Core
Split Core
Output Signal & Accuracy4 to 20 mA represents 0 to 100% of current span. Better than ±1% FS on all three ranges
Attention:0-5V,0-10V output are do not need power supply.
Disconnect and lock-out all power sources during installation as severe injury or death can result from electrical shock
due to contact with high voltage conductors. Ensure all installations are in compliance with applicable electrical codes
and that the installation is completed by qualified installers familiar with the standards and proper safety procedures
for high-voltage installation. Never rely on status indicating devices only to determine if power is present in a conductor.
Insure the range selection jumper is installed in the correct position for the current being monitored. Excessive
current can damage the sensor. See below for information on setting the jumpers.
Install the Split-Core over the conductor to be monitored and close the sensor until it latches, ensuring that the two halves
are properly aligned. Operation of the sensor will be impaired if any dirt particles prevents good contact between the
core pieces when the device is closed, keep the sensor clean when it is opened.
Mount the switch in a suitable location using the two mounting holes in the base of the unit.
The conductor may be looped more than once through the sensor to multiply the sensitivity but this also divides the maximum
currents. For example, on the 0-200 amp scale, if the conductor is looped through twice, the maximum current will
now be 100 amps.
Connect the output circuit to the two screw terminals using ring or fork type terminals. Typical connections are shown
in the wiring examples. Note polarity as indicated on the device label.
To allow field calibration, all devices have easily accessible calibration pots. The devices may be calibrated to custom

Model input range AC accuracy output DC
FCS521-SD-5V 0- 10A 20A 50A 1% 0- 5V
FCS2151-SD-5V 0-100A,150A,200A 1% 0-5V
FCS521-SP-5V 0-10A 20A 50A 1% 0-5V
FCS2151-SP-5V 0-100A 150A 200A 1% 0-5V
FCS521-SD-10V 0-10A 20A 50A 1% 0-10V
FCS2151-SD-10V 100A 150A 200A 1% 0-10V
FCS521-SP-10V 0-10A 20A 50A 1% 0-10V
FCS2151-SP-10V 100A 150A 200A 1% 0-10V
FCS521-SD-420E 0-10A 20A 50A 1% 4-20mA
FCS2151-SD-420E 100A 150A 200A 1% 4-20mA
FCS521-SP-420E 0-10A 20A 50A 1% 4-20mA
FCS2151-SP-420E 100A 150A 200A 1% 4-20mA
FCS521-SD-420T 0-10A 20A 50A 1% 4-20mA RMS
FCS2151-SD-420T 100A 150A 200A 1% 4-20mA RMS
FCS521-SP-420T 0-10A 20A 50A 1% 4-20mA RMS
FCS2151-SP-420T 100A 150A 200A 1% 4-20mA RMS
SD=solid core SP=split core

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