Metravi ZNT-34 Relay Test Set Three Phase 415 V

The Metravi ZNT-34 Relay Test Set is a versatile and robust testing solution, ideal for evaluating the performance of distance relays, overcurrent, overvoltage, undervoltage, earth fault relays, and relays with directional elements. It offers variable three-phase voltage/current outputs as well as variable DC voltage outputs, making it a crucial tool for relay calibration and testing in power systems. With advanced features like phase angle adjustment and digital time interval measurement, it ensures precise testing results, meeting the needs of professionals in the power and electrical industries.

Key Features:

• Wide Testing Range: Suitable for distance relays and other protective relays such as overcurrent, overvoltage, and earth fault relays.
• Adjustable Outputs:
  • Fault phase voltage adjustable between 0 to 110%.
  • Fault current adjustable between 0 to 100%.
• Phase Angle Control: Offers phase angle variation from 0° to 360° in the current circuit.
• Accurate Time Measurement: Digital time interval meter with 0-9.999 seconds (1 msec resolution) and 0-99.99 seconds (10 msec resolution).
• Digital Readouts: Voltage and current measurements displayed on digital meters for easy monitoring.
• Heavy-Duty Performance: Capable of continuous testing up to 10A, with 25A and 50A outputs rated for intermittent duty cycles.

Specifications:

• Input Voltage: 415V ±10%, 3-phase, 4-wire, 50Hz AC.
• Output Test Current: 0 to 1, 5, 10, 25A, 50A with 0 to 100% resolution in each tap.
  • Rated Maximum Burden: 500 VA per phase.
• AC Voltage Source: 0-220 volts (phase to neutral), 50 Hz AC.
  • Rated Maximum Burden: 150 VA per phase.
• DC Voltage Source: Isolated 0-240 volts DC with a maximum capacity of 1A.
• Phase Angle Variation: 0° to 360° in the current circuit.
• Time Measurement:
  • Range: 0-9.999 secs (1 msec resolution) & 0-99.99 secs (10 msec resolution).
• Duty Cycle Range:
  • Continuous up to 10A.
  • Intermittent for 25A and 50A outputs (5 mins ON, 10 mins OFF).

Box Including:

• Relay Test Set Unit
• User Manual
• Connecting Cables
• Test Leads

Applications:

• Relay Testing: Ideal for testing distance, overcurrent, overvoltage, and undervoltage relays.
• Power System Maintenance: Ensures reliability and accuracy in protective relay calibration.
• Laboratory Use: Suitable for R&D, teaching, and research labs in electrical engineering.
• Industrial Settings: Widely used in electric power, communications, oil fields, manufacturing, and railway sectors for comprehensive relay testing and troubleshooting.

The Metravi ZNT-34 is designed for professionals seeking precision and flexibility in relay testing, making it a valuable asset in maintaining the safety and efficiency of power systems.