High current protection relay and short circuit

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  • :Ease of installation in the panel
  • :Low consumption and SMD technology
  • :Separate fault displays and supply voltage status
  • :One year unconditional warranty
  • :Measurement of three-phase flow current through consumption lines
One year old warranty ParsParda
10-year-old after-sales service ParsPardaz
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Overall Review High current protection relay and short circuit

usage :

In an emergency power system with a power supply network, increasing the current consumption or the elements through which the current passes (switch or contactor or cable) calculates the current with this relay and displays the excessive current as an error, it is possible that the current exceeds Excessive damage to the generator or the elements through which the current passes, and this relay has the possibility of a short-circuit error in the system, which has two separate channels for high current and short circuit with two separate relays.

Design:

For easy use and quick installation, this relay is embedded in an insulating cover that can be installed on rails with DIN EN 50022 standard. In order to connect the inputs and outputs of this relay, suitable terminals are considered in both directions, which can be referred to the attached map for its connections. It is considered on the relay cap. Two LED displays, one to display the supply voltage status and the other to display the error on the relay cover.

How it works:

After connecting the supply voltage and connecting the sample of three-phase current from CT related to each phase and if the supply voltage of the relay is correct, it starts to compare the number of currents with the value specified by the user. If this current exceeds the specified limit, the relay Starts taking the delay time based on the value the user has set on the relay. If after this time the amount of read current exceeds the specified value, the output of the relay will be activated and its output can be used to declare an error or cut off the consumption circuit. The error display also lights up. If the read value returns to normal, the relay will reset automatically.

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