Purpose
Primary Injection Test Set DTE-10M (High-Current Circuit Breaker Test Device)
The DTE-10M Primary Injection Test Set is an advanced high-current circuit breaker test device designed for verifying the performance and time–current characteristics of AC circuit breakers in the extended range of 20 A to 10,000 A. This equipment measures and records both current and operating time of the circuit breaker under test, making it especially suitable for testing powerful breakers, heavy-duty power circuits, and utility equipment.
Main Applications
- Circuit breaker testing (verification of time–current characteristics up to 10 kA).
- Primary current injection testing and certification of measuring and protective current transformers.
- Relay testing and calibration, including industrial overcurrent and thermal relays rated for high currents.
- Fuse testing and verification of high-capacity fuses.
- Use as an adjustable AC current source up to 10 kA in low-impedance laboratory or field circuits.
Key Features
- Portable high-current test set – designed for laboratory, industrial, and field applications.
- Galvanic isolation of the output circuits from the power supply ensures maximum operator safety.
- Wide testing range – one device covers circuit breakers, transformers, relays, and fuses up to 10,000 A.
- Extended capabilities compared to the DTE-3M and DTE-6M models, making it ideal for testing powerful and high-voltage electrical equipment.
Price on request.
Contact us to buy the DTE-10M Primary Injection Test Set directly from the manufacturer and get detailed information about delivery and availability.
Technical specifications
| Power supply voltage* | 400 V ± 5% |
| Power supply frequency | 50 Hz ± 1% |
| Maximum no-load voltage per turn at a 400 V supply voltage | 2.4 V |
| Maximum RMS current at the output busbars | 11000 A |
| Maximum power consumption of the DTE-10M | 77 kVA |
| True RMS output current measurement and recording range: from 10% (or not less than 20 A) to 100% of the selected range, with a measurement error of less than 3% | 20 A – 11000 A |
| Output current duration measurement and recording range, with a measurement error of less than 1.5% | 0.01 – 99999 s |
| Transformer overtemperature protection threshold | 80 °C ± 10% |
| Weight of the CU-10 control unit, max. | 3.6 kg |
| Weight of the CAU-10 current amplifier unit, max. | 40 kg |
| Weight of the transport trolley, max. | 12 kg |
| Weight of one copper flexible busbar, max. | 3.3 kg |
| Weight of the CS-10 current sensor, max. | 2 kg |
| Overall dimensions of the CU-10, max. | 300 × 250 × 135 mm |
| Overall dimensions of the CAU-10, max. | 420х170х390 mm |
| Overall dimensions of the transport trolley | 480 × 580 × 780 mm |
| Average service life of the device | 10 years |
* The device can be powered from a voltage of 230V, while the maximum output current = 6kA.
** The technical characteristics correspond to the given values when operating the device complete with a single-phase voltage regulator (SVR).
Device operating conditions
| Environment temperature range | -5°C — 35°C. |
| Relative air humidity at +25°C | ≤80%. |
| Atmospheric pressure, mm Hg | 630—800 |
Package contents
| Control unit of the device, OU-10. | 1 pc. |
| Current amplifier unit of the device, CAU-10. | 1 pc. |
| Transportation trolley | 1 pc. |
| Current sensor, CS-10, with connection signal cable. | 1 pc. |
| Flexible busbar, length – 2,0 cross-section – 120 mm2. | 4 pcs. |
| Connection plug SVR | 1 pc. |
| Device power outlet | 1 pc. |
| Grounding (earthing) cable (5 meters) | 1 pc. |
| User’s manual DTE-10М. | 1 pc. |
| SVR, single-phase voltage regulator, Inom. = 10, 20, 40 А not included in package contents and can be purchased separately. |
You can see the 3D model of the device at this link
Gallery
