WDR-120-24 Industrial DIN Rail Power Supply Mean Well
The MEAN WELL WDR-120-24 is a high-efficiency, slimline industrial DIN rail power supply designed for unstable or demanding power distribution networks. What sets the WDR-120 series apart is its ultra-wide single and two-phase input range of 180 to 550VAC. This unique capability allows it to be operated on single-phase 230VAC lines, or connected between two phases of a 3-phase system, offering immense flexibility and eliminating the need for expensive step-down transformers.
With a slim, space-saving width of just 40mm, this unit optimizes valuable cabinet space. The WDR-120-24 delivers a stable 24VDC output up to 5A (120W) with built-in constant current limiting, protecting your automation systems from short circuits and heavy loads.It is cooled entirely by free air convection and includes a convenient built-in DC OK relay contact, allowing for remote system status monitoring in critical control loops.
Parameter | Specification |
|---|---|
Manufacturer | MEAN WELL |
Model Code | WDR-120-24 |
Output DC Voltage | 24 VDC |
Rated Output Current | 5 A |
Current Range | 0 to 5 A |
Rated Power | 120 W |
Voltage Adjustment Range | 24.0 VDC to 29.0 VDC (via front panel trimmer) |
Ripple & Noise (Max.) | 120 mVp-p |
Line Regulation | $\pm 0.5\%$ |
Load Regulation | $\pm 0.5\%$ |
AC Input Voltage Range | 180 to 550 VAC (Single-phase / Two-phase operation) |
DC Input Voltage Range | 254 to 780 VDC |
Input Frequency Range | 47 to 63 Hz |
Efficiency (Typ.) | $91\%$ (at 400VAC input) |
AC Current (Typ.) | 0.7A / 400VAC | 1.2A / 230VAC |
Overload Protection | $105\% \text{ to } 130\%$ rated output power (Constant current limiting, auto-recovery) |
Overvoltage Protection | 31V to 37V (Shut down output voltage, re-power on to recover) |
Operating Temperature | -25°C to +70°C (Refer to derating curve) |
Working Humidity | 20% to 90% RH (Non-condensing) |
Dimensions (W x H x D) | 40 mm x 125.2 mm x 113.5 mm |
Mounting Compatibility | DIN Rail TS-35/7.5 or TS-35/15 |
Terminal Connection Type | Screw Terminal Blocks |
Ssaoco Dammam
- Started from: Jul 10, 2025
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