GE 350-E-P5-G5-H-E-S-N-N-SN-D-N Feeder protection relay

GE 350-E-P5-G5-H-E-S-N-N-SN-D-N Feeder protection relay

Specific Parameters

Brand GE (General Electric, American Original Factory), Product Series GE 350 Feeder Protection System Series, GE Multilin 3 Series Protection Relays

Product Type Industrial-Grade Feeder Protection Relay, Medium and High Voltage Protection Device, Power System Protection Component, Original Authentic Spare Part

Model GE 350-E-P5-G5-H-E-S-N-N-SN-D-N (Complete order number, each segment of characters corresponds to different functional configurations, including power supply, current protection, case design and other parameters)

Country of Origin United States (Produced by GE Multilin Original Factory, Global Synchronous Supply)

Compatible Devices Medium and High Voltage Feeders, Distribution Transformers, Capacitor Banks, Industrial Switchgear, Power Systems, SCADA Systems, Automation Control Systems, Current Transformers, Voltage Transformers

Core Functions Feeder Protection, Distribution Transformer Protection, Capacitor Bank Protection, Overcurrent Protection, Ground Fault Protection, Frequency Measurement, Fault Diagnosis, Remote Monitoring, On-Site Debugging, Data Acquisition, Communication Linkage, Cold Load Pickup, Lockout Relay Function

Product Structure Drawout case design, easy for maintenance and testing, the case can be ordered separately for replacement or testing scenarios, moderate size, suitable for panel mounting and retrofit or new installation scenarios

Protection Functions Phase/Ground/Neutral Time and Instantaneous Overcurrent Protection, Directional Power and Wattmetric Ground Fault Protection, Arc Flash Protection, Circuit Breaker Fault Protection, 2nd Harmonic Blocking, Synchrocheck Function

Current Parameters 5A three-phase current input, 5A ground current input, supporting universal CT input

Voltage Parameters Supporting voltage metering, capable of monitoring the zero crossing of bus VT phase A voltage to realize frequency measurement

Frequency Measurement Capable of measuring the frequency between the zero crossings of bus VT phase A voltage, the signal is processed by a low-pass filter to avoid inaccurate zero crossing detection

Input and Output 10 contact inputs, 7 outputs (including 2 Form A contacts, 5 Form C contacts)

Communication Protocols Supporting Modbus RTU, IEC 60870-5-103, DNP 3.0 protocols, optional IEC 61850, OPC-UA protocols

Communication Interfaces Equipped with a front USB interface and a rear RS485 interface, supporting data interaction between front and rear dual ports

Power Supply Voltage Supporting 110-230V AC or 110-250V DC, adapting to industrial standard power supply

Programming Software Supporting Enervista software, enabling parameter configuration, logic programming, firmware upgrade and fault analysis

Display Function Equipped with a 4-line text LCD display, the front panel is provided with 12 LED indicators for displaying various system states

Fault Recording With complete fault diagnosis and recording functions, which can assist predictive maintenance and facilitate independent post-fault analysis

Operating Temperature Range -40℃ to +60℃, adaptable to harsh high and low temperature industrial environments

Storage/Shipping Temperature Range -40℃ to +85℃

Relative Humidity 5% to 95%, Non-Condensing, Adaptable to High Humidity Industrial Scenarios

Protection Class IP40 front | IP10 back, effectively preventing dust intrusion, suitable for installation in switchgear

Anti-Interference Performance With strong anti-electromagnetic interference capability, adopting automotive grade components, passing accelerated life cycle testing, and performance far exceeding industry standards

Physical Dimensions 201.51mm×138.2mm×244.2mm, suitable for panel mounting, saving installation space

Physical Weight Less than 12 pounds (about 5.44kg) before packaging, moderate body weight, easy to handle, install and maintain

Mounting Method Panel mounting, drawout design, easy for inspection and testing of internal components, suitable for retrofit or new installation scenarios

Operation Interface The front panel is equipped with operation buttons, LED indicators and LCD display, supporting parameter setting, fault query and status monitoring

Diagnostic Function Built-in complete fault self-diagnosis module, with environmental monitoring system, which can monitor operating status and assist in planning predictive maintenance

Product Material Industrial-grade high-strength shell, high-voltage resistant insulation material, built-in anti-corrosion and anti-dust components, no conformal coating

Special Functions Supporting precise time synchronization (IEEE 1588 PTP protocol), with hierarchical password control function, supporting programmable logic elements for flexible adaptation; supporting zone inter-tripping, flex curves and multiple elements, multiple setting groups to reduce arc flash hazards

Product Performance

GE 350-E-P5-G5-H-E-S-N-N-SN-D-N is an original GE device with extremely strong adaptability, which can be perfectly adapted to various power equipment such as medium and high voltage feeders, distribution transformers and capacitor banks, seamlessly integrated into power systems, industrial switchgear, SCADA systems and automation control systems, no additional adaptation components required, greatly reducing system integration complexity and commissioning costs. It can be used as the core protection and control unit of medium and high voltage power equipment, supporting various needs such as primary and backup protection, real-time monitoring and remote operation and maintenance of equipment. The product has excellent protection, measurement and communication performance, integrating a variety of complete protection functions, adopting proven algorithms, which can quickly detect and respond to various power faults, avoid unwanted trips or under-protection, and effectively prevent fault expansion; the precise frequency measurement function, combined with a low-pass filter, ensures accurate measurement data, providing reliable basis for operation and maintenance decisions; a variety of mainstream communication protocols and dual communication interfaces realize seamless linkage with upper computers and other equipment, supporting remote monitoring, parameter configuration and fault diagnosis. The product has outstanding reliability, adopting industrial-grade high-quality components, drawout design and strict testing procedures. The wide operating temperature range of -40℃ to +60℃ can adapt to harsh industrial scenarios such as high temperature, low temperature and high humidity, meeting the protection level standard, strong anti-electromagnetic interference capability, long service life and long mean time between failures, meeting the protection needs of long-term stable operation of power systems. The product is convenient for operation and maintenance. The drawout design greatly simplifies the inspection and testing process, facilitating the maintenance of internal components. The intuitive operation interface and complete fault diagnosis and recording functions can help operation and maintenance personnel quickly locate faults and analyze causes. The remote monitoring and programming functions reduce the frequency of on-site inspections, and the built-in environmental monitoring system can assist in planning predictive maintenance, greatly improving operation and maintenance efficiency, and providing reliable protection support for the safe and stable operation of medium and high voltage power systems.