Function and Application
The NDKG, NDKR, and NDKS series control transformers are suitable for AC circuits with a frequency of 50Hz, as control power supply, lighting power supply, and signal power supply for machine tools, industrial automation control systems, power equipment, machinery, and electrical equipment.
Detailed Parameters
| Parameter Category | Parameter Item | Parameter Value |
|---|
| Normal Operating Conditions and Installation Conditions | Altitude | Not more than 2000m |
| Upper Limit of Ambient Air Temperature | 40℃ |
| Lower Limit of Ambient Air Temperature | -5℃ (When users need to use in environments above 40℃ or below -5℃, it needs to be specified at the time of order, and special customization is required) |
| Relative Humidity of Air at Highest Temperature of 40℃ | Not more than 50%; at lower temperatures, higher relative humidity is allowed, for example, up to 90% at 20℃. Special measures should be taken for occasional condensation caused by temperature changes |
| Installation Environment Requirements | Should be well-ventilated, free from contamination, corrosive gases, dust, flammable substances, and combustible gases; have rain, water, and snow protection measures, and no water vapor |
| Installation Location Requirements | No vibration and impact |
| Power Supply Voltage Waveform | It is a sine wave, the total harmonic content of the input power supply voltage is not more than 5%, even harmonic content is not more than 1%, and the total harmonic content of the load current is not more than 5% |
