At just 17.6mm wide, the MDR-20-24 is the slimmest 24V DIN rail power supply in MEAN WELL’s catalog — purpose-built for applications where every millimeter of panel space counts. Despite its miniature form factor, it delivers a full 20W of regulated 24V DC output with the same industrial-grade reliability that defines the MDR series. From tight control boxes to densely populated automation racks, this supply eliminates the traditional tradeoff between compactness and performance.
Key Features
- Industry-leading 17.6mm ultra-slim width — half the space of standard DIN supplies
- Universal AC input: 85~264VAC, suitable for global deployment without voltage selection
- DC input capable: 120~370VDC for solar battery and DC bus applications
- Protections integrated: short circuit, overload, overvoltage — all self-recovering
- Low standby power: under 0.5W no-load consumption for energy-efficient designs
- 3-year warranty backed by MEAN WELL’s global support network
Technical Specifications
| Output Power | 20W |
| Output Voltage | 24V DC (adjustable 22.8~28.8V) |
| Output Current | 0.83A |
| Input Voltage Range | 85~264VAC / 120~370VDC |
| Efficiency | 87% |
| No Load Power | <0.5W |
| Operating Temperature | -20°C to +70°C |
| Dimensions | 17.6 x 90 x 62mm (W x L x H) |
| Weight | ~130g |
| Protection | SCP / OLP / OVP |
| Certifications | UL508, CE, CB, BSMI, EAC |
| MTBF | >500K hrs (MIL-HDBK-217F) |
| DIN Rail | TS-35/15 or TS-35/7.5 |
Applications
- Compact PLC I/O module power in space-restricted automation panels
- Sensor and actuator power distribution in manufacturing lines
- Network switch and router DC power in telecom cabinets
- Emergency lighting control gear and exit sign circuits
- Door access controllers and CCTV camera power supplies
Installation Notes
Snaps onto standard 35mm DIN rail (EN 60715). The ultra-narrow profile allows multiple units side-by-side with zero derating. For sealed enclosures without forced air, reduce ambient temperature limit to 50°C at full load. Use the output trim potentiometer to compensate for voltage drop over long cable runs.
Why Choose BrightLink
BrightLink LED maintains deep inventory of the complete MEAN WELL MDR series, ensuring your projects stay on schedule. We support system integrators with technical pre-sales consultation, competitive project pricing, and rapid fulfillment from our stocked warehouse. All units ship with full certification documentation and traceable batch codes.
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