SR745-W2-P1-G1-HI-E-H General Electric Transformer Protection Relay

Product Description

SR745-W2-P1-G1-HI-E-H is a transformer protection relay launched by General Electric,used to protect transformers in power systems from various faults.This relay has multiple protection functions,such as overload protection,short circuit protection,differential protection,and excitation surge protection.

Product parameters

Rated voltage:380 V three-phase four wire

Rated frequency:50 Hz

Transformer capacity:80 kVA to 1000 kVA

Protection functions:overload protection,short circuit protection,differential protection,excitation surge protection

Accuracy:2%

Working temperature:-25°C to+50°C

Storage temperature:-40°C to+85°C

Relative humidity:<95%(non condensing)

Protection level:IP20

Product specifications

Dimensions:220 mm x 180 mm x 100 mm

Weight:2 kg

Material:Plastic

Series

SR745-W2-P1-G1-HI-E-H belongs to General Electric’s SR700 series transformer protection relay series.

Features

Multiple protection functions:providing comprehensive transformer protection to ensure safe operation of the transformer.

High precision:providing reliable fault detection and protection.

Easy to use:Provides an intuitive interface and simple settings,making it convenient for users to operate.

High reliability:using high-quality components and design to ensure long-term stable operation.

Function

The main function of SR745-W2-P1-G1-HI-E-H is to protect transformers in the power system from various faults.This relay can detect the following faults:

Overload:When the current borne by the transformer exceeds the rated value

Short circuit:When a short circuit occurs in the transformer winding

Differential current:When there is a difference between the current on one side of the transformer and the current on the other side

Excitation inrush current:the instantaneous current surge that occurs when a transformer is excited

Purpose

SR745-W2-P1-G1-HI-E-H can be widely used for transformer protection in various power systems,such as:

Industrial and commercial distribution systems

Power plant

Substation

User Transformer

Application field

SR745-W2-P1-G1-HI-E-H can be applied to the following industries:

Electricity

Manufacturing industry

Oil and natural gas

Transportation