HAW 20-P

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Current transducers, like the HAW 20-P, measure electric current and convert it to a proportional analog or digital signal for display, recording or control. The HAW 20-P is one example of current transducers that apply Hall effect-based measurement technology to measure AC and DC currents accurately.

Design Advantages

The main advantages of the HAW 20-P are its simple setup and installation. It can be mounted externally on the line conductor using two attaching screws. The HAW 20-P has a galvanic isolation between the input circuit and the output circuit. This ensures that hazardous voltages caused by ground loops, short circuits and hot plugging are not passed through to the output of the transducer. Furthermore, the HAW 20-P is suitable for DIN-rail mounting, making it an ideal solution where space is limited.

Applications of the HAW 20-P

The HAW 20-P provides reliable current measurement to a wide range of applications including motor control, power quality monitoring, energy metering and protection in electric motors. It is also suitable for use in circuit boards with printed circuit boards, circuit breakers, and switches. The HAW 20-P is suitable for currents up to 65 Amps and can be used with a variety of power sources, such as 120/240V AC, 24V DC, and 110V DC. It is especially useful in applications where low current measurements are required, as it is accurate up to 600mA.

Working principle of HAW 20-P

The HAW 20-P uses the Hall effect principle to measure the current. When a conductor carrying a current is placed in the magnetic field of a Hall effect sensor, a voltage is created at right angles to the axis of the conductor. This voltage is proportional to the strength of the magnetic field and the magnitude of the current being measured. The HAW 20-P consists of a Hall effect sensor, a power supply, and an output board, and includes an AC/DC conversion circuit, which enables it to provide a DC output voltage that is proportional to the AC or DC current passing through the conductor.

The HAW 20-P provides a convenient solution for current measurement, with a range of features including voltage range selection, overload protection, zero current calibration, and accuracy rating up to 0.25%. This makes it an ideal choice for applications requiring accurate current measurement.

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