Megger SMRT46 Multi-Phase Relay Test System

The Megger SMRT46 is a high-performance, versatile multi-phase relay test system designed for precise testing, calibration, and commissioning of protective relays in industrial, utility, and substation environments. Built for reliability and accuracy, it supports a wide range of relay types and ensures comprehensive verification of protection schemes in power systems.

Core Applications

Testing electromechanical, static, and digital protective relays across single-phase and multi-phase systems
Performing multi-channel current and voltage injection to simulate realistic power system conditions
Evaluating relay trip characteristics, timing, and coordination
Supporting commissioning, maintenance, and troubleshooting of substations, switchgear, and distribution networks
Ensuring compliance with IEC and IEEE standards for protective relays

Key Features

Six independent channels for simultaneous multi-phase testing
High-precision current and voltage injection for accurate relay performance evaluation
Automated test routines for repeatable, efficient testing and data collection
User-friendly interface with full-color display and intuitive controls for simplified operation
Portable and rugged design suitable for field and substation environments
Battery-powered operation for extended field use

Advanced Functionality

Measures relay trip times, contact operation, and characteristic curves
Supports CT and VT testing, including ratio, polarity, and phase angle verification
Can simulate complex fault conditions such as phase-to-phase and phase-to-ground faults
Data logging and reporting capabilities for professional documentation and analysis
Compatible with PC software for detailed result analysis, automated test sequences, and report generation

Design & Build

Compact and rugged construction for industrial and substation use
High-quality connectors for safe and reliable connections
Designed to meet international safety and performance standards
Modular design allows easy upgrades and configuration for different test scenarios

Typical Accessories

Multi-channel test leads and clamps for various relay and CT/VT connections
Protective carrying case for field mobility
User manual and calibration certificate
Optional PC interface cables and software for data transfer and analysis

The Megger SMRT46 Multi-Phase Relay Test System is an advanced, all-in-one solution for relay testing, providing precision, reliability, and efficiency for engineers, technicians, and commissioning teams. Ideal for substations, industrial facilities, and utility networks, it enables accurate verification, troubleshooting, and preventive maintenance of protective relays in multi-phase power systems.

Multi-phase relay tester

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