Function and Usage
The NDKH series control transformer is suitable for AC circuits with a rated power supply voltage of 690V or less, and a frequency of 50Hz/60Hz, as a control power source for machine tools and machinery, working lighting, electronic equipment, and signal lamp power sources.
Detailed Description
Parameters:
Rated Input Voltage (V): 220, 380
Rated Output Voltage (V): 24, 36, 110, 127, 220, 380
Efficiency: ≥80%
Installation Method: Rail mounting, fixed mounting
Operating Ambient Temperature: -20℃~+50℃
Advantages/Core Functions:
01 Safe and Reliable
Integral terminal block, the terminal will not move after wiring to avoid damaging the conductor
Installation bracket has high strength and anti-vibration performance, and the product has good insulation from external electrical devices
Input and output terminal blocks have protective covers to prevent live parts from coming into contact with the outside
02 Outstanding Performance
Stable operation at 1 times rated current, can withstand 1.1 times rated current
If overheating occurs due to load issues, the over-temperature protection function will automatically start
The coil winding is vacuum impregnated with insulating varnish, providing high insulation strength and mechanical strength
03 Flexible Application
Work indicator light, making the product's operating status clearly visible
Rail mounting and fixed mounting are optional, making installation convenient and easy to use
Detailed Parameters
| Parameter Category | Parameter Item | Parameter Value |
|---|
| Normal Operating Conditions and Installation Conditions | Maximum Ambient Air Temperature | 40℃ |
| Minimum Ambient Air Temperature | -5℃ |
| Maximum Relative Humidity at Highest Temperature | 50% |
| Allowed Relative Humidity at Lower Temperature | For example, 90% at 20℃ |
| Environmental Air Requirements | Should not contain harmful gases or dust that corrode metal or damage insulation; it should also not be exposed to water, rain, or snow |
| Transformer Installation Method | Horizontal or vertical fixed installation, or can be installed with a base plate and TH35-7.5 rail |
| Installation Location Requirements | No vibration or impact, the altitude of the installation location does not exceed 2000m |
| Maximum Total Harmonic Content of Power Supply Voltage | 5% |
| Maximum Even Harmonic Content | 1% |
| Maximum Total Harmonic Current Content in Load Current | 5% |
