DCT-0024 Split-Core Current Sensor

Current Transformer, 0-5 Vdc Output

24 mm Opening rated a 250A


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● Input to 250 Amps
● Output 0-5Vdc
● Accuracy at 5% to 120% of rated current at frequency of 50 Hz to 60 Hz
● UL Registered, CE and RoHS compliant
● 2 X M3-Screw Terminals


The DCT-0024 by Magnelab was previously sold as the MAG-J24D005. It is a split core current transducer with a 24 mm opening and transforms AC current input 0 Amp to 250 Amps to an output of 0 to 5 Vdc. Split core transformers are perfect tools for energy management. Additionally, the DCT-0024 has been made so that it can quickly and easily be installed on electrical wiring that has already been installed. The self-locking mechanism that it comes with allows the transformer to simply be snapped around the existing conductor.

The DCT-0024 is frequently used in pumps and HVAC installations, but also in fans, refrigeration and lighting. It is also sometimes found in small industrial motors. It is a highly versatile device.

This CT transformer features a 250 Amps AC rated input current and a 5 Vdc rated output voltage. For safety, the device has a 7.5 Vdc limit built in. The accuracy is similar to that of the DCT-0016-100 current sensor, which is full scale accuracy of 2% up or down, at operating frequencies of 50 or 60 Hz. Looking at rated current, the accuracy is 5% to 120%.

The device has an output impedance of 5.8 KOhms and an output ripple of 5% either up or down. It comes with two M3 screw terminals for easy installation. The voltage of the system is CAT III 600 VAC and it is fully UL recognized, as well as being RoHS and CE compliant. It also comes with a 10 year warranty.


DCT-0024-250 250 Amp, 5Vdc Out
All Dimensions in Inches
A 2.93
B 2.05
C 1.77
D 1.34
E 0.87