HAS 300-S Sensors, Transducers

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Current transducers are ubiquitous devices used in virtually all kinds of electrical and electronic systems. They are used for many applications, from measuring AC power to providing critical protection for motors and electrical circuits. The HAS 300-S is one of the most popular current transducers on the market. This article will discuss the application field and working principle of the HAS 300-S.

The HAS 300-S is a highly versatile current transducer that can be used in a wide range of applications. It can be used for the measurement of anything from residential AC power applications to industrial three phase systems. The device supports three core operational covers: current measurement, monitoring, and protection. The simple measurement function allows for real-time current readings to ensure system optimization, while the monitoring and protection functions ensure the safety and reliability of the system. The built-in amplifier also allows for the connection to various monitoring systems, such as digital or analog meters.

The HAS 300-S is a versatile current transducer that is designed to operate in a range of environmental and operational conditions. It can operate in temperatures between -40C and +85C, and pressure ranging from 0.6 to 1.2 bar. The device also features a wide range of inputs, including AC/DC, 1p-1N, 3p-3N, 6p-3N, and 12p-3N. It also comes with two remote-power inputs, which allow for the configuration of the device without breaking the circuit.

At the heart of the HAS 300-S lies a highly efficient core circuit. The core circuit operates using the Kelvin connection method, where each phase is divided into two distinct branches. The voltage on each branch is then measured and subtracted from each other. The resulting difference is the net voltage across the two phases. This difference is then amplified and converted to a current signal. The output of the core circuit is then sent to a control circuit, which determines any necessary protection functions.

The HAS 300-S offers several features that make it suitable for a wide range of applications. One of the most noteworthy features is the built-in earthing capability. The device can be connected to an external earth line of up to 16A, which makes it suitable for applications where the user is unable to make direct contact with the earth line. The device also offers a range of configurable options, such as the external current limit, which allows the system to protect itself against overloading.

In conclusion, the HAS 300-S is a highly versatile current transducer that is designed to operate in a range of environmental and operational conditions. It is suitable for a wide range of applications, from residential AC power applications to industrial three phase systems. The core circuit at the heart of the device operates using the Kelvin connection method to determine net voltage across two phases. The device also features a range of configurable options and built-in earthing capability, which makes it suitable for applications where the user is unable to make direct contact with the earth line.

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