Product Overview
The Chint NDK control transformer provides power conversion for apparatus control circuits, machine tool illumination, and indicator equipment. It operates on single-phase AC 50Hz/60Hz systems in compliance with the Q/ZT258 standard. Featuring a Rated Output Capacity Range of 25 VA – 5000 VA, it accommodates rated input voltages of 230 V and 400 V with multiple output taps from 6 V to 400 V under ambient operating temperatures between -5 ℃ and +40 ℃.
Technical Parameters
| Rated output capacity | 25VA~5000VA |
| Phase | Single-phase |
| Rated Frequency | AC 50Hz/60Hz |
| Standard | Q/ZT258 |
| Ambient Operating Temperature | -5 ℃~+40 ℃ |
| Operating Altitude | ≤2000m |
| Relative Humidity | ≤95% |
| Brand | Chint |
| Model | NDK |
| Product type | Machine Tool Control Transformer |
| Applicable standard | Q/ZT258 |
Key Selling Points
Technical Highlights
- Rated Output Capacity Range: 25 VA – 5000 VA
- Phase: Single-phase
- Rated Frequency: AC 50Hz/60Hz
- Rated Input Voltage: 230 V, 400 V
- Rated Output Voltage: 6 V, 12 V, 24 V, 36 V, 110 V, 127 V, 230 V, 400 V
- Standard: Q/ZT258
- Ambient Operating Temperature: -5 ℃~+40 ℃
- Operating Altitude and Humidity: ≤2000m, ≤95% relative humidity
Reference Datasheet Pages
The following pages were selected from the model catalogue and are included for technical reference:
NDK Catalog and Technical Data


