MEAN WELL NDR‑120‑48 — 48 V | 120 W | 2.5 A DIN Rail Power Supply

Key Specifications

• Input Voltage: 90 ~ 264VAC (127 ~ 370VDC) universal range .

• Output: 48 V DC at 2.5 A (120W max) .

• Efficiency: Up to ~89% .

• Physical Dimensions: ~125.2 mm × 40 mm × 113.5 mm (H × W × D) .

• Weight: ~0.6 kg .

✅ Design & Features

• Slim housing (40 mm wide): Ideal for dense panel layouts .

• Active protections: Overload, over‑voltage, short circuit, over‑temperature .

• Cooling: Fanless, natural air convection design for silent, maintenance‑free operation .

• Certifications: UL508 industrial standard, EN61000‑6‑2 EMI immunity, class‑B EN55022 emissions .

• Voltage adjust: Front‑panel potentiometer trims output between ~48 to 55 V DC.

• Status Indicator: “DC OK” LED for power monitoring .

🌡️ Environmental & Operational

• Operating Temp Range: –20 °C to +70 °C (with output derating per datasheet) .

• Installation: Snap‑on to TS‑35 mm DIN rails (7.5 or 15 series) with front‑top input & bottom output terminal orientation.

• Warranty: 3‑year manufacturer warranty per series specifications .

📄 Summary at a Glance

🏗️ Perfect for:

• Industrial automation cabinets

• Building control panels

• OEM equipment with 48 Vdc requirements

• Applications needing reliable, compact, certified DIN‑rail power

If you’d like the wiring manual, torque specs, or accessories like DIN‑rail redundant modules or terminal