750-P5-G5-D5-HI-A20-R | GE Multilin Feeder Management Relay

The 750-P5-G5-D5-HI-A20-R is an advanced feeder management relay, part of the SR750 series, designed to provide comprehensive protection and monitoring of electrical feeders. As a critical component within the "Controls & Indicators" category, this overcurrent relay is engineered to ensure the reliability and safety of power distribution systems by detecting and responding to abnormal current and voltage conditions. It is specifically tailored for industrial and utility applications where precise monitoring and protection of electrical feeders are paramount.

Weighing 10.25 lbs, the 750-P5-G5-D5-HI-A20-R is a robust device that combines durability with advanced functionality. It is designed to handle the rigors of industrial environments, where reliability is a key concern. The relay’s substantial build quality ensures long-term stability and performance, even in demanding operational conditions.

This relay is equipped with 5 A phase current inputs, which allow it to monitor the current flowing through each phase of the feeder. This capability is essential for detecting overcurrent conditions that could potentially lead to damage or failure of electrical equipment. The 5 A zero sequence current inputs provide additional protection by monitoring ground fault conditions, enabling the relay to detect and respond to faults that may not be captured by phase current monitoring alone. This dual current monitoring capability enhances the overall protective functionality of the relay, making it an integral part of any robust power protection strategy.

The 750-P5-G5-D5-HI-A20-R operates with an input voltage range of 88-300 VDC and 70-265 VAC, making it versatile and adaptable to various power supply configurations. This wide voltage range ensures that the relay can be seamlessly integrated into different power systems without the need for extensive modifications. The ability to operate across both direct current (DC) and alternating current (AC) power supplies further extends the applicability of the relay in diverse operational environments. The frequency range of 48-62 Hz ensures compatibility with both standard and non-standard power systems, providing additional flexibility for global applications.

A key feature of this relay is its eight 4-20 mA analog outputs, which provide a reliable means of transmitting critical data to external monitoring and control systems. These analog outputs are essential for real-time communication of system status, allowing operators to monitor the performance of the feeder and make informed decisions based on accurate and timely information. The use of 4-20 mA signals, which are standard in industrial control systems, ensures that the relay can be easily integrated into existing infrastructures, providing seamless data exchange and interoperability with other control devices.

The SR750 series, of which the 750-P5-G5-D5-HI-A20-R is a part, is known for its reliability and advanced protection features. The series is designed to meet the stringent demands of modern power distribution systems, offering protection, control, and communication capabilities in a single, integrated solution. The 750-P5-G5-D5-HI-A20-R continues this tradition by offering a comprehensive set of features that address the critical needs of feeder protection, ensuring that electrical systems are safeguarded against a wide range of potential issues.

In addition to its protective functions, the 750-P5-G5-D5-HI-A20-R is designed with user convenience in mind. The relay is equipped with a user-friendly interface that simplifies the configuration and operation of the device. Operators can easily set up the relay to match the specific requirements of their power system, ensuring optimal protection and performance. The relay’s interface is designed to provide clear and concise information, allowing operators to quickly understand the status of the system and respond to any issues that may arise.

The durability of the 750-P5-G5-D5-HI-A20-R is another key aspect of its design. The relay is constructed from high-quality materials that are chosen for their ability to withstand the harsh conditions often encountered in industrial environments. This includes resistance to temperature extremes, vibration, and other factors that can impact the performance of lesser devices. The robust construction of the relay ensures that it will continue to perform reliably over the long term, reducing the need for frequent maintenance or replacement.

Overall, the 750-P5-G5-D5-HI-A20-R is a high-performance feeder management relay that offers a comprehensive suite of protection and monitoring features. Its combination of phase and zero sequence current inputs, wide input voltage range, and multiple analog outputs make it a versatile and reliable choice for protecting electrical feeders in a variety of industrial and utility applications. The relay’s robust design, advanced functionality, and ease of integration ensure that it will provide dependable protection and control for critical power distribution systems, making it an essential component for any facility that requires reliable feeder management.