The CE-IJ21-BS3-0.4 from Shenzhen Sensor Electronic Technology is a Bidirectional DC Current Isolation Transducer that is ideal for telecommunications, electricity, railways, and the current signal real-time detection or monitoring of industrial control applications. It requires a supply voltage (DC) of 12 - 24 V. This transducer provides an output voltage of up to 10 V and has an output current of 4 - 20 mA. It features a self-locking function that ensures safe and reliable use without requiring additional tools.  This transducer boasts excellent repeatability, high output accuracy, and robust stability. It offers high anti-interference capability to withstand surge voltages. It is available in a screw-mount package that measures 83 x 36 mm.