Relay Protection Testing Device | DTE 450/3000
Relay Protection Testing Device DTE–450/3000 (hereinafter – device) is intended for
- adjustment and testing of simple relay protection (RPA) in place of their installation at power plants, substations, industrial plants or in the laboratory
- adjustment and testing of electroautomatics elements (electromagnetic relays, contactors, motor starters, etc.)
- adjustment and testing of circuit breakers
The device is implemented within single body, which creates additional convenience during use. It includes connecting wires and cables to connect testing devices.
Description
Relay Protection Testing Device | DTE 450/3000
Technical specifications
| Power supply AC voltage | 220V ± 10% (50Hz) |
| Maximum supply consumption current | 50 A |
| Maximum power consumption | 5000 W |
| Environment temperature | -10°C … +45°C |
| Storage temperature | -20°C … +45°C |
| Relative air humidity at +25°C | 80% max |
| Atmospheric pressure, mm Hg. | 630 – 800 |
| Device weight, without connecting wires set, at most | 36 kg |
| Continuous operation mode, at least | 120 min |
| Average service time | 10 years |
Output voltage
| Range of sinusoidal power frequency output voltage, generated by the device is divided into three subranges | 0 –– 50 V 0 –– 250 V 0 –– 450 V |
| Range of rectified output voltage, generated by the device is divided into three subranges | 0 –– 50 V 0 –– 250 V 0 –– 450 V |
| Output voltage measuring accuracy | 1,5% |
| Measurement resolution of the output voltage | 10 mV |
Output current
| Range of sinusoidal power frequency output current, generated by the device is divided into two subranges | 0 –– 20 A 0 –– 200 A |
| Optionally, there is added the range of the pulse-phase output current of power frequency for testing circuit breakers | 0 –– 3000 A |
| Output current measuring accuracy | 1,5 % |
| Measurement resolution of the output current | 10 mA |
Additionally
| Time intervals measurer in the range 0 | 9999,9 sec. |
| Measurement accuracy of time interval | 0,2 ms |
| measurement resolution of time interval | 0,1 ms |
Package contents
| N | Name | Quantity |
| 1 | DTE–450/3000 device | 1 pc. |
| 2 | Test cables set | 1 set |
| 3 | Device power cord | 1 pc. |
| 4 | Carrying bag for storaging and transporting of connection cables | 1 pc. |
| 5 | Current sensor, 3000/5(А) | 1 pc. |
| 6 | DTE–450/3000 operation manual | 1 pc. |
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