We specialize in Current Sensors, CT Sensors, and Measuring Instruments.

Split type AC Current Sensor

CTF-50A AC Current measurements, AC 0.1~50A, 10mm×9.5mm


Suitable for current measurements of terminal feeder.
Wire stopper is equipped for the slipping protection.
The special connector is not necessary as the output terminals are provided.
Open circuit protection and nonflammable plastic material.
Rated Primary Current AC50A(50/60Hz)
Applicable Current 0.1A~50A
Max. Capable Current 100A
Nominal CT Ratio 3000:1
CT Inside Diameter φ9.5mm
Applicable Frequency 10Hz~5kHz
Output Example AC166.6mV±1%(50A/10Ω)
Phase Accuracy 1.0°±0.5°(50A/10Ω/50Hz)
Open Protection 7.5V (Zener diode)
Capable CT Open/Close Approx. 100 times
Output Part M3 Terminal
Rated Voltage Less than AC600V for low voltage circuit of coated wires
Withstanding Voltage AC2200V/1 minute (between output terminal and outer case)
Insulation Resistance More than 100MΩ by 500V insulation tester (between output terminal and outer case)
Operation Temperature -20~60℃, less than 80%RH w/o condensation
Dimension 23×48×25.5mm
Weight Approx. 45g
Standard Compliant with RoHS directive