REX521GHHPSH51G feeder protection relay

REX521GHHPSH51G feeder protection relay

Product Details Introduction

REX521GHHPSH51G feeder protection relay manual

1、 Product Overview

REX521GHHPSH51G feeder protection relay is a key equipment in the power system, mainly used for the protection of feeder lines. The feeder line is an important line in the power system, responsible for transmitting electrical energy from the power source to various electrical equipment. The REX521GHHPSH51G feeder protection relay monitors the operating status of the feeder line and takes timely measures when abnormal situations or faults are detected to prevent the fault from expanding and causing damage to the entire power system.

2、 Main functions

Overcurrent protection: When there is a current exceeding the rated current on the feeding line, REX521GHHPSH51G will promptly cut off the circuit to prevent dangerous situations such as equipment damage or fire caused by overcurrent.

Short circuit protection: It can detect short circuit faults on the feeding line and quickly cut off the circuit when short circuit current is detected to prevent serious damage caused by short circuits.

Ground fault protection: For power systems with neutral grounding, this relay can detect ground faults and take appropriate protective measures to ensure the safe operation of the power system.

3、 Technical characteristics

High precision: REX521GHHPSH51G adopts high-precision measurement technology, which can accurately monitor the operating status of feed lines.

Quick response: When abnormal situations or faults are detected, the relay can quickly cut off the circuit, reducing the impact of faults on the power system.

Stability: Through strict testing and verification, REX521GHHPSH51G has high stability and reliability, and can adapt to various complex working environments.

4、 Operation and Installation

Operation: The operation interface of REX521GHHPSH51G is concise and clear, and users can set parameters, select functions, etc. through simple operations. At the same time, the relay also provides rich indicator information, making it convenient for users to understand the operating status of the equipment.

Installation: Please follow the installation steps in the product manual to ensure that the relay is correctly connected to the feed line. During the installation process, please pay attention to safety operating procedures to ensure the safety of personnel and equipment.

5、 Maintenance and upkeep

Regular inspection: Regularly inspect the REX521GHHPSH51G, including visual inspection, wiring inspection, etc., to ensure that the equipment is in good working condition.

Cleaning and maintenance: Regularly clean the surface and internal dust of the equipment to maintain its cleanliness and heat dissipation performance.

Record management: Establish equipment usage and maintenance records to facilitate subsequent management and maintenance.

6、 Precautions

Do not use the REX521GHHPSH51G feeder protection relay in harsh environments such as humidity and corrosive gases.

During use and maintenance, please follow the safety operating procedures in the product manual to ensure the safety of personnel and equipment.

If you encounter any unresolved problems or malfunctions, please contact the technical support team in a timely manner for resolution.

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