944021

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Terminal blocks are widely used elements in most electrical and electronic systems. These connect and power circuits, as well as provide a medium for cable-to-board connection. Among its advantages, they provide, besides protection and flexibility, is the possibility to be used as a communication interface between two systems, allowing for automation both for control and data acquisition. They are able to quickly and accurately monitor current flowing, as well as its temperature.

The 944021 terminal blocks are high-precision current modules with integrated loop-power capability. It can measure very small currents in a range from 0.5A to 20A, in a stable and accurate way. They are suitable to be used in power systems and instrumentation applications, as well as a range of different power distribution tasks even in harsh and industrial conditions.

Due to its advanced technology, the 944021 is an integrated loop-powered module. It used a contact resistance technique and a precision sense circuit, that allow measurements from less than 0.5 up to 20A AC/DC. The loop power circuit provides the 944021 module with enough power to measure, so it does not require any external voltage, making it ideal for instrumentation applications where the device needs to measure current in a non-powered environment.

The sensor circuit is made up of a measuring transformer and an integrated current sense circuit. The measuring transformer provides the current signal to the amplifier circuit, which in turn provides an AC signal to the sense circuit. The sense circuit is then used to convert the current signal to a digital output, allowing for accurate and reliable readings. The output of the 944021 is displayed in the form of an analog or digital signal depending on the user’s preference.

The 944021 terminal block also provides several protections. It includes built-in protection circuits that enable it to withstand voltage spikes up to 200V without the need for a power supply or external wiring. Additionally, the 944021 is able to operate in a wide temperature range, from -20 to +85⁰C. This provides users with sufficient protection for their data and equipment, especially in extreme environments.

The 944021 terminal block is a reliable and multi-purpose interface module, ideal for use in a variety of applications. The integrated loop-power capabilities allow it to measure very small currents without the need of any external power sources. Additionally, its multiple protection circuits make it a suitable choice for applications in harsh and industrial conditions. With its wide temperature range and protective circuitry, the 944021 is the perfect choice for any current measuring application.

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