NDR-960 Din Rail AC to DC Switching Power Supply
The WEHO NDR-960 is a high-performance 960W single-phase DIN rail power supply, engineered for industrial applications demanding high reliability and efficiency. It is available in 24V and 48V output models, both featuring a high efficiency of 92% and a wide operating temperature range of -30°C to +70°C, cooled by natural convection.
Designed for durability and safety, the NDR-960 complies with international safety standards including UL508 and TUV BS EN/EN62368-1.[1] It features comprehensive protection against overload, overvoltage, and over-temperature, ensuring robust operation in harsh environments.[2] With a peak load capability of 1250W for 3 seconds, it can handle demanding start-up loads. The slim, space-saving design for TS35/7.5 or TS35/15 DIN rails makes it an ideal and dependable power solution for industrial control systems, factory automation, and other critical equipment.
- Description
| Model | NDR-960-24 | NDR-960-48 | |
| Output | DC Voltage | 24V | 48V |
| DC Current | 40A | 20A | |
| Current Range | 0～40A | 0～20A | |
| Rated Power | 960W | 960W | |
| Peak current | 52A | 26A | |
| Peek Power | 1250W(3s) | ||
| Ripple and Noise (Max) | 240mVp-p | 480mVp-p | |
| Voltage adjustment range | 24～28V | 48～55V | |
| Voltage accuracy | ±1.0% | ±1.0% | |
| Line Regulation | ±0.5% | ±0.5% | |
| Load Regulation | ±2.0% | ±2.0% | |
| Start-up and rise time | Less than 3S, less than 300ms/230VAC (at full load) | ||
| Holding time (Typ.) | Greater than 10.5ms/230VAC (at full load) | ||
| Input | Voltage range | 200～264VAC 285-370VDC | |
| Frequency range | 47～63Hz | ||
| Power Factor(Typ.) | PF≥0.95/230VAC (at full load) | ||
| Efficiency (Typ.) | 92% | 92% | |
| Alternating current (Typ.) | 6A/230VAC | ||
| Surge current (Typ.) | Cold start 80A/230VAC | ||
| Leakage Current | <3.5mA/240VAC | ||
| Protect | Overload | Normally operates within 105-130% of the rated output for more than 3 seconds, then shuts off the output voltage, and automatically recovers within 30 seconds after the peak load is removed | |
| Protection mode: Constant current limit within 130-150% of rated output, output voltage is turned off after 3 seconds, and restarts to recover | |||
| Overvoltage | 29～34V | 56～65V | |
| Protection mode: turn off the output voltage, automatically recover or restart to recover | |||
| Over temperature | 95℃±15℃(TSW) detection of heat sink for power switch | ||
| Protection mode: shut down the output voltage, and automatically recover when the temperature drops. | |||
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