NDR-75-24 - Power Supply Mean Well - Free user manual and instructions
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| Product Type | DIN Rail Power Supply |
| Brand | Mean Well |
| Model | NDR-75-24 |
| Output Voltage | 24 VDC |
| Output Current | 3.2 A |
| Output Power | 76.8 W (max) |
| Input Voltage Range | 90 – 264 VAC or 127 – 370 VDC |
| Input Frequency | 47 – 63 Hz |
| Efficiency (Typ.) | 88% |
| Protections | Short circuit, Overload, Over voltage, Over temperature |
| Cooling Method | Free air convection |
| Operating Temperature | -20°C to +70°C (derating above +50°C) |
| Dimensions (W x H x D) | 32 x 124.5 x 102 mm (1.26 x 4.9 x 4.02 inches) |
| Weight | 0.30 kg (0.66 lb) |
| Mounting | DIN Rail TS-35/7.5 or 15 |
| LED Indicator | Green: Output ON |
| MTBF | ≥ 300,000 hrs (MIL-HDBK-217F) |
| Warranty | 3 years |
Frequently Asked Questions - NDR-75-24 Mean Well
What is the input voltage range for the NDR-75-24?
The NDR-75-24 accepts AC input from 90 to 264 VAC or DC input from 127 to 370 VDC, with a frequency of 47-63 Hz.
Can this power supply be mounted on a DIN rail?
Yes, the NDR-75-24 is designed for DIN rail mounting on TS-35/7.5 or TS-35/15 rails.
What protections does the NDR-75-24 have?
It includes protections against short circuit, overload, over voltage, and over temperature.
What is the output voltage and current?
The output is 24 VDC with a maximum current of 3.2 A, providing up to 76.8 W.
How efficient is the NDR-75-24?
Typical efficiency is 88%, which helps reduce power loss and heat generation.
What is the operating temperature range?
It operates from -20°C to +70°C, with output derating above +50°C.
Does it require forced cooling?
No, the NDR-75-24 uses free air convection cooling; no fan is needed.
How do I connect the wiring?
Use the screw terminals on the front: L and N for AC input, +V and -V for DC output. Ensure proper torque and wire size as per manual.
Is there a warranty?
Mean Well provides a 3-year warranty for the NDR-75-24 series.
What is the MTBF?
The MTBF is typically ≥ 300,000 hours calculated per MIL-HDBK-217F.
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USER MANUAL NDR-75-24 Mean Well
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Product information
Brand : Mean Well
Model : NDR-75-24
Category : Power Supply