H3CR-A-301 AC100-240/DC100-125 Industrial Controls

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Time Delay Relays are a form of protective relays designed to detect short circuit faults or other abnormalities in circuits and cut off the power if necessary. H3CR-A-301 AC100-240/DC100-125 is a one such time delay relay designed for applications in medium voltage, low-level, or general duty circuits. It is a compact time delay relay with a very low contact rating and features a user-friendly interface and a wide selection of set points.

The main application field of the H3CR-A-301 AC100-240/DC100-125 is related to controlling the timed operation of industrial equipment such as computers, conveyors, motors, pumps, and other machinery. It enables the controller to execute various timed tasks which would otherwise be difficult or too time consuming to accomplish manually. The relay can also be used to switch off the power if a fault occurs to prevent further damage or malfunction.

The working principle of the H3CR-A-301 AC100-240/DC100-125 is based on the use of time for function control. It measures the elapsed time between the first incoming command and the completion of the action, with an adjustable time range up to 100ms. The time delay is initiated with either a start push button or an input signal from another device, triggering the relay to start the timing process. The circuit will then be switched off at the end of the time period.

The H3CR-A-301 AC100-240/DC100-125 is equipped with a built-in metal case for protection and a socket for mounting the relay. It has a screw terminal for easy installation and an LED indicator to signal when the timer has finished the operation. The operation of the relay can be set to either single-shot or continue operation mode and can be programmed using a PC or a network interface.

The H3CR-A-301 AC100-240/DC100-125 is designed to provide a reliable and accurate time delay control in a wide variety of applications, especially those where size and low power are important factors. Its small size and low cost make it an ideal solution for industrial equipment controllers who require a reliable time delay mechanism.

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