4420.0414

Series:	AS168X
Part Status:	Obsolete

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Protection Relays & SystemsThe 4420.0414 protection relay is a innovation in the field of electrical power system management. It is a microprocessor based inter-relay communication device used in medium voltage (MV) and high voltage (HV) installations to protect the electrical networks. The device can be used as a system protection and control unit in distributed architectures to provide a safe switching, disconnection and protection of both LV and HV installations.The 4420.0414 protection relay provides an isolated inter-relay communication link allowing multiple load and fault points to be monitored and protected from a single point. This unit works in combination with other protection relays and control systems installed in a distributed architecture. The use of multiple 4420.0414 protection relays allows an optimised protection strategy to be defined for any given installation, minimising the response time to trip.The 4420.0414 protection relay is equipped with a range of communication protocols, from simple binary codes to more complex object or database methods. The communication protocols are used to link the protection relays and to exchange data between the different nodes of the distributed architecture.The working principle of the 4420.0414 protection relay is based on a self-sensing current and voltage selector. This unit is designed to be able to detect variations in the current and voltage waveform and to send out an alert signal when conditions exceed safe levels. Once an alert signal has been sent, management systems or other relay blocks can then be triggered to take action.To ensure the highest degree of accuracy and reliability, the 4420.0414 protection relay uses an advanced process control system. This system can be programmed to bring the desired results in any particular application. This ensures that the safety of the electrical system can be continuously monitored and maintained.The 4420.0414 protection relay is an essential addition to any electrical power system. It is equipped with the necessary sensors and control mechanisms to deliver an effective system management solution. The device is also an invaluable resource for service technicians and engineers, as it helps to make sure all aspects of the electrical system remain safe and efficient.

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