UR8LH GE CT/VT module

Product Description

UR8LH is a CT/VT module produced by GE Multilin for the GE Multilin series protective relays.It provides signal inputs from 8 current transformers(CTs)or voltage transformers(VTs)and converts them into digital signals that relays can process.UR8LH is suitable for various power system protection applications,such as:

Transformer protection

Line protection

Generator protection

Motor protection

Bus protection

Product parameters

Supported CT ratios:5A to 5000A

Supported VT ratio:5V to 3600V

Accuracy:0.5%

Response time:<2 ms

Communication interface:RS-232

Dimensions:133 mm x 75 mm x 25 mm

Weight:200 g

Working temperature:0°C to 55°C

Storage temperature:-20°C to 70°C

Humidity:5%to 95%(non condensing)

Product specifications

UR8LH is a 32-bit CT/VT module based on the Microchip PIC32MX795F512H microcontroller.

It supports 8 CT or 8 VT inputs.

It provides various protection functions,such as overcurrent protection,overvoltage protection,differential protection,etc.

It complies with the IEC 61850 standard.

Series

UR8LH belongs to the GE Multilin series CT/VT module series.This series of products includes:

UR8NH:4-way CT/VT module

UR8LH:8-way CT/VT module

UR8EH:16 CT/VT modules

Features

High precision

Quick response

High reliability

Easy to use

Strong scalability

Function

The main function of UR8LH is to convert the analog signals of CT and VT into digital signals and provide various protection functions.

Purpose

UR8LH is suitable for various power system protection applications,such as:

Transformer protection

Line protection

Generator protection

Motor protection

Bus protection

Application field

The application areas of UR8LH include:

Power transmission and distribution

Power generation

Industrial control