SCK4 Series Hall Effect Open Loop Current Sensor

Open loop current sensor based on Hall effect principle, accurately measure DC, AC and pulse current and other various irregular waveforms current in electrical isolation conditions. Perforations in the form of a square hole type.

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General Data:

Parameters(25°C) Model SCK4-
300A 400A 500A 600A 800A 1000A 1200A 1500A 2000A
Nominal Rms Current (Ipn) ±300AT ±400AT ±500AT ±600AT ±800AT ±1000AT ±1200AT ±1500AT ±2000A
Measuring Range (Ip) 600AT 800AT 1000AT 1200AT 1600AT 2000AT 2400AT 3000AT 4000A
Output Voltage ±4V or ±5V
Load resistance Rmax ≥10kΩ
Working voltage DC ±12V or ±15V DC(±5%)
Accuracy @ Ta=25°C ±1%
Linearity @ Ta=25°C ±1%
Withstand voltage 3kV RMS/50 Hz/1 min
Offset voltage < ±30 mV
Offset temperature characteristics < ±0.1%/°C
Thermal drift of Vo < ±1mV/°C (If=0)
Hysteresis offset < ±25 mV (if=F.S. 0<--->Nominal RMS Current)
Response time <5 us
Current consumption <13 mA
Operating temperature -20~+85°C
Storage temperature -40~+85°C
Dimensions (in mm. 1mm=0.0394 inch)


1. Size error: ±1mm;
2. Primary aperture: □ 41.6*12mm;
3. Fastening hole: φ4.5mm*2;
4. K4 output terminal: Molex 5045-04AG;
K4T output terminal:JST B4B-XH-A;
5. The IP indication direction is the positive direction of the current;
6. The temperature of the primary conductor shall not exceed 105°C;
7. Incorrect wiring may cause damage to the sensor.


1.SCK4 Series is open-loop current sensor. There is galvanic isolation between primary and secondary circuit of the
sensor, it can measure DC, AC or pulse currents.
2.Square perforation, mainly measure cooper conductor current.
3.Features: High accuracy, competitive price, low power consumption and strong overload capacity.
Caution: Incorrect wiring may damage the sensor

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