Megger MRCT Relay Current Transformer Tester

The Megger MRCT is a high-performance, portable testing instrument designed specifically for testing relays and current transformers (CTs) in electrical power systems. It provides a reliable and efficient solution for verifying the accuracy, functionality, and safety of CTs and protective relays used in industrial, utility, and substation environments.

Core Applications

Testing the accuracy of current transformers under load and excitation conditions
Checking protection relay operation by simulating realistic fault currents
Measuring CT ratio, polarity, burden, and phase angle
Verifying the integrity of protective circuits in power distribution and transmission networks
Supporting preventive maintenance and commissioning of electrical substations

Key Features

Portable and lightweight design, making it ideal for fieldwork and substation use
High precision measurements of CT ratio, phase angle, and polarity
Automated test routines for faster, repeatable, and reliable testing
User-friendly interface with clear display and intuitive controls for easy operation
Battery-powered with long operating time for extended field use
Capability to store test results and export data for documentation or compliance reporting

Advanced Functionality

Measures CT excitation and burden characteristics
Simulates relay fault conditions to test protective relay responses
Accurate ratio testing of single and three-phase current transformers
Supports multi-range current injection for versatile testing scenarios
Provides detailed pass/fail reporting according to international standards

Design & Build

Rugged construction suitable for industrial and substation environments
Compact and portable for easy transport and on-site use
High-quality connectors and cables to ensure safe and reliable connections
Designed to comply with IEC and IEEE standards for CT and relay testing

Typical Accessories

Test leads and clamps for various CT connections
Protective carrying case for field mobility
User manual and calibration certificate
Optional PC interface cables for data transfer and analysis

The Megger MRCT Relay Current Transformer Tester is an advanced, portable instrument built for accuracy, reliability, and efficiency in CT and relay testing. It is an essential tool for electrical engineers, maintenance technicians, and commissioning teams who require precise verification of current transformers and protective relays in industrial and utility installations.

MRCT

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