Megger SMRT 1D single-phase relay test systems
Megger SMRT 1D is a portable single-phase relay test set delivering high-current output, ideal for testing protective relays, trip units, and overcurrent devices.
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Megger SMRT1D – Single-Phase Relay Test System
The Megger SMRT1D is a portable and versatile single-phase relay test set, designed for testing a wide range of electromechanical, solid-state, and microprocessor-based protective relays. Built on Megger’s proven SMRT series platform, the SMRT1D combines high-performance output capabilities with user-friendly operation, making it an excellent choice for field engineers, relay technicians, and maintenance teams.
Key Features
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Single-Phase Current Source: Provides precise, stable, and high-current output for testing protection relays and devices.
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High Power Output: Capable of delivering continuous current for burdened relays, as well as short-duration high-current injection for overcurrent and breaker trip testing.
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Flexible Control: Operates stand-alone with Megger’s Smart Touch View Interface (STVI), or via a PC with Advanced Visual Testing (AVTS) software.
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Compact & Portable: Lightweight, rugged design for field portability without sacrificing performance.
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Wide Application Range: Supports testing of relays with high burden, including inverse time, instantaneous, differential, and directional overcurrent protection.
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Reliable Accuracy: Fully compliant with IEC and IEEE testing standards, ensuring precise and repeatable results.
Megger SMRT1D Applications
The Megger SMRT1D is ideal for:
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Testing electromechanical and digital protective relays.
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Primary and secondary injection testing of current-based protection devices.
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Commissioning and maintenance of power system protection schemes.
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Field verification of overcurrent, earth fault, and breaker trip units.
Specifications
Input Power
| Input Power | 100 to 240 V (±10%) AC, 1 Ø, 50/60 Hz, 700 VA |
Outputs
All outputs are independent from sudden changes in line voltage and frequency.
This provides stable outputs not affected by sudden changes in the mains source.
All outputs are regulated so changes in load impedance do not affect the output.
Output Current
Output power ratings are specified in AC RMS values and peak power ratings.
| Output Current | Power | Max Voltage |
|---|---|---|
| 50 mA² | 5 VA | 10.0 V RMS |
| 1 A | 15 VA | 15.0 V RMS |
| 4 A | 200 VA (282 peak) | 50.0 V RMS |
| 15 A | 200 VA (282 peak) | 13.4 V RMS |
| 32 A | 200 VA (282 peak) | 6.67 V RMS |
| 60 A | 319 VA (450 peak) | 5.00 V RMS |
| DC | 200 W | – |
Duty Cycle
| 32 A | Continuous |
| 60 A | ±1.5 seconds or 90 cycles |
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