DTE-20M Primary current injector

The DTE-20M is a cutting-edge testing device engineered to deliver precision, safety, and versatility for professionals working with electrical systems. Designed with user needs in mind, this powerful tool simplifies testing and calibration while ensuring reliable performance across a range of applications. Here's what the DTE-20M offers:
Comprehensive Circuit Breaker Testing: Effortlessly verify the performance of AC circuit breakers at industrial frequencies, handling currents from 20A to 20kA. The device accurately measures and logs time and current data, ensuring your circuit breakers operate flawlessly.
Transformer Validation: Test and certify primary current measuring and protective current transformers with ease, ensuring compliance and reliability in your systems.
Relay Calibration: Accurately test and calibrate both current and thermal current relays, optimizing their performance for enhanced system protection.
Fuse Testing: Efficiently evaluate fusible links to guarantee they meet safety and operational standards.Versatile Power Source: Use the DTE-20M as a customizable AC power source, delivering up to 20kA for low-impedance circuits in laboratory settings, perfect for advanced testing and research.

ParametersCategory Specification ValueElectrical Power Supply Voltage 380V±10% (3-phase) or 220V (single-phase)Specifications Power Supply Frequency 50Hz ±1% Maximum Output Voltage 7V Maximum Output Current at 3 phase (RMS) 20,000A Maximum Output Current at 1 phase (RMS) 13,000A Maximum Power Consumption 120kVA Current Measurement Range (True RMS) 20A to 20,000A Time Measurement Range 0.01s to 9,999s Overheat Protection Threshold 96°C ±10%Current-Time Characteristics Output Current: 1,000A Unlimited duration Output Current: 4,000A ≥60 seconds Output Current: 7,000A ≥60 seconds Output Current: 14,000A ≥15 seconds Output Current: 20,000A ≥5 secondsPhysical Specifications Control Unit Dimensions 300 x 250 x 135 mm Current Amplifier Unit Dimensions 480 x 250 x 320 mm Transport Cart Dimensions 420 x 220 x 780 mm Control Unit Weight q ≤3.5 kg Current Source Unit Weight ≤88 kg Transport Cart Weight ≤12 kg
Safety and Durability at the CoreYour safety is our priority. The DTE-20M features galvanically isolated output circuits, keeping you protected from the power supply. Plus, with a maximum output voltage of just 7V when the thyristor switch is fully open, the device minimizes wear on circuit breaker contacts during repeated tests, extending equipment life and ensuring consistent results.