Original Meanwell NDR 120 / 240 /480 Series 24V DC Single Output Industrial DIN Rail Power Supply

Specifications

• Brand: MeanWell
• Series: NDR
• Type: Single Output Industrial DIN Rail Power Supply
• Input Voltage Range:
  • Universal AC Input: 90 ~ 264VAC
  • DC Input: 127 ~ 370VDC
• Efficiency: Up to 91-94% (depending on model)
• Output Voltage: 24V DC (adjustable ±10% via potentiometer)
• Protection: Short circuit, Overload, Overvoltage, Overtemperature
• Cooling: Convection cooled
• Mounting: DIN Rail (TS-35/7.5 or TS-35/15)
• Ambient Operating Temperature: -20°C to +70°C
• Humidity: 20% to 95% RH non-condensing
• Insulation Class: I
• Safety Standards:
  • UL508, EN62368-1 (for industrial control equipment)
  • EN55032 Class B for EMC compliance
  • RoHS Compliance
• LED Indicator: For power on (Green LED)
• Dimensions and Weight: Varies by model, listed below.

2. Model-Specific Specifications

2.1. MeanWell NDR-120-24

• Output Power: 120W
• Output Voltage: 24V DC
• Output Current: 5A
• Input Voltage Range:
  • 90 ~ 264VAC
  • 127 ~ 370VDC
• Efficiency: Up to 91%
• Ripple & Noise: ≤120mVp-p
• Overload Protection: 105% ~ 150% of rated load
• Dimensions (W x H x D): 40 x 125.2 x 113.5mm
• Weight: 600g

2.2. MeanWell NDR-240-24

• Output Power: 240W
• Output Voltage: 24V DC
• Output Current: 10A
• Input Voltage Range:
  • 90 ~ 264VAC
  • 127 ~ 370VDC
• Efficiency: Up to 93%
• Ripple & Noise: ≤120mVp-p
• Overload Protection: 105% ~ 150% of rated load
• Dimensions (W x H x D): 63 x 125.2 x 113.5mm
• Weight: 900g

2.3. MeanWell NDR-480-24

• Output Power: 480W
• Output Voltage: 24V DC
• Output Current: 20A
• Input Voltage Range:
  • 90 ~ 264VAC
  • 127 ~ 370VDC
• Efficiency: Up to 94%
• Ripple & Noise: ≤150mVp-p
• Overload Protection: 105% ~ 150% of rated load
• Dimensions (W x H x D): 85.5 x 125.2 x 128.5mm
• Weight: 1300g

3. Protection Features (Common to All Models)

• Short Circuit Protection: Auto recovery after fault condition is removed.
• Overload Protection: 105% ~ 150% of rated load with constant current limiting and auto recovery.
• Overvoltage Protection: 28 ~ 36V DC, with shutdown and latch-off.
• Overtemperature Protection: Shutdown with auto recovery after cooling.

4. Additional Specifications (All Models)

• Hold-up Time: ≥16ms at full load and 230VAC input
• Rise Time: ≤60ms at 230VAC input
• Power Factor Correction (PFC): No PFC required (due to power rating and efficiency)
• MTBF: >500,000 hours per MIL-HDBK-217F
• Vibration Resistance: 10 ~ 500Hz, 2G 10min/1 cycle, period for 60 min each along X, Y, Z axes

5. Applications

• Industrial automation
• Factory automation
• Building automation
• Mechanical equipment
• Instrumentation and control systems