When panel real estate is at a premium, the MDR-40-24 delivers reliable 24V DC power in a space-saving 35mm DIN rail package. Part of MEAN WELL’s renowned MDR series, this 40W supply combines industrial-grade protection with residential-panel-friendly dimensions. The 85-264VAC universal input ensures consistent performance across unstable grid conditions common in both commercial and light industrial settings.
Key Features
- Compact 35mm width saves valuable DIN rail space in crowded enclosures
- Universal AC input: 85~264VAC with active PFC (power factor >0.9)
- Cooling by free air convection: no fan required up to 40W output
- Robust protection suite: short circuit, overload (105-150%), overvoltage
- Wide operating temperature range: -20°C to +70°C with forced air
- 3-year manufacturer warranty with MTBF exceeding 500K hours
Technical Specifications
| Output Power | 40W |
| Output Voltage | 24V DC |
| Output Current | 1.7A |
| Input Voltage Range | 85~264VAC / 120~370VDC |
| Efficiency | 88% |
| No Load Power | <0.75W |
| Operating Temperature | -20°C to +70°C |
| Dimensions | 35 x 90 x 62mm (W x L x H) |
| Weight | ~180g |
| 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
- PLC and relay logic panel power distribution
- LED strip lighting control systems and dimmer modules
- Building management system (BMS) controllers
- Access control and intercom systems
- Small-scale robotics and CNC controller power
Installation Notes
Install on standard TS-35 DIN rail per EN 60715. The MDR-40-24 requires no additional clearance for natural convection cooling in typical installations. For sealed enclosures, calculate thermal dissipation and provide adequate ventilation. Output voltage adjustable ±10% via trim pot for cable compensation.
Why Choose BrightLink
BrightLink LED stocks the complete MEAN WELL MDR series for immediate dispatch. Our competitive bulk pricing, combined with genuine product assurance and responsive technical support, makes us the preferred sourcing partner for system integrators and panel builders. Request volume pricing for projects requiring multiple units.
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