SCD3 Series DC Leakage Current Sensor

SCD3 Series DC leakage current sensor is a new closed-loop current sensor developed from the application of magnetic modulation principle, excellent stability in tiny currents measurement, with a highly galvanic isolation between primary and secondary circuit. Widely used in leakage monitoring systems, signaling systems and the current difference measurement etc.

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General Data:

Parameters(25°C)     Model SCD3-10mA SCD3-20mA SCD3-50mA SCD3-100mA
Nominal Rms Current (Ipn) ±10mA DC ±20mA DC ±50mA DC ±100mA DC
Measuring Range (Ip) 2* Ipn
Load resistance Rmax ≥10kΩ
Output Voltage ±5V
Working voltage ±12V~±15V(±5%)
Accuracy @ Ta=25°C ±1% FS
Linearity @ Ta=25°C ±0.5% FS
Input Offset Voltage <±100mV
Thermal drift of Vo < ±1mV/°C
Resolution 10uA
immunity (to external interference) < ± 5mV When H=50A DC/m
Weight SCD3 350g
Withstand voltage 3kVrms/50Hz/min
Current consumption <13mA
Operating temperature -10~+75 °C
Storage temperature -25~+80 °C



1. Size error: ±1mm;
2. Primary aperture: φ60mm;
3. Fastening hole: φ6mm*2;
4. Output terminal: 2EDGVC-5.08-4P;
5. The IP indication direction is the positive direction of the current, and the OFS is the zero adjustment;
6. Incorrect wiring may cause damage to the sensor;
7. The zero voltage of the sensor can be adjusted appropriately according to the needs of users;

1.DC leakage current sensor adapt non-contact measurement, it is develop on the basis of the principle of zero magnetic flux modulation and magnetic modulation, it can measure small DC current MA level’s isolation in perforation measurement.
2.Zero position output of the sensor output can be adjusted according to user needs.
3.We can customize different current and voltage output according to user's requirements.
Caution: This product is precision measuring device, please handle with care!

Shenzhen Socan Technologies Co.,Ltd


Address:4th Floor, A3 Bld, Xin Jian Xing Industrial Park, Feng Xing Rd, Guangming Street, Guangming New District, Shenzhen, China