ACS723LLCTR-20AB-T

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The ACS723LLCTR-20AB-T is a current transformer (CT) with an onboard low-value series resistor. A current transformer (CT) is an instrument used to accurately measure alternating current (AC) through a primary conductor. When AC electrical current passes through the primary conductor of a CT, a proportional current will flow through the secondary winding (a secondary conductor connected to the CT’s signal output). The secondary winding’s current is proportional to the primary conductor’s current, allowing one to measure the current in the primary conductor.

The ACS723LLCTR-20AB-T is designed for use in current sensing applications. It is capable of sensing currents from 0 to 20 Amperes with a small offset voltage of 0.5 mV. This CT includes a low-value series resistor that provides additional protection against high currents. The device has a nominal input voltage range of 50 to 600VAC. It features a long-term stability of 1% and a fast response of 5 µs. Additionally, the ACS723LLCTR-20AB-T has high-density isolation that protects the electronics against environmental stress and short-term overvoltage.

The working principle of the ACS723LLCTR-20AB-T is simple. It consists of two windings, the primary and secondary winding. The primary winding is where the current being measured is passed through. The secondary winding senses the current in the primary winding and produces an electrical signal which is proportional to the primary’s current. The electrical signal is then sent to a current measuring device. This allows the current in the primary winding to be accurately measured. Additionally, the addition of the low-value series resistor helps protect the device from excessive or damaging currents.

The ACS723LLCTR-20AB-T is primarily used in applications where current measurement is critical. It is used in areas such as electric power metering, transformer testing, motor protection, and motor control. It is also used in several other areas such as protection of power electronic devices, fault detection, and over current protection in built-in current sensing circuits. Its low-value series resistor ensures that the device is not damaged in case of excessive currents, making it suitable for use in applications such as power grids, motor control, electric measurement, solar energy systems, and other demanding current measurement applications.

The versatile ACS723LLCTR-20AB-T is an ideal solution for current sensing applications. Its low-value series resistor provides additional protection against high currents. Additionally, its high-density isolation protects the electronics against environmental stress and short-term over voltages. Its fast response time and long-term stability make it suitable for a variety of applications. It is widely used for electric power metering, transformer testing, motor control, and fault detection.

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