x
Send Your Inquiry Today
Quick Quote
  • NDR-75
  • NDR-75
  • NDR-75
  • NDR-75

NDR-75 DIN Rail Switching Power Supply

  • Supports  12V,24V, 48V applications with flexible voltage settings.
  • Features short-circuit, overload, and overvoltage protection.
  • Adjustable DC output ensures stable and reliable power delivery.
  • Built-in constant current limiting circuit.
  • Easily mounts onto standard DIN rails.
  • Cooled via natural air convection.

Product Overview & Applications:

The NDR series DIN-rail switching power supply is a high-performance, highly reliable solution designed to power industrial automation, control systems, and equipment. Featuring a wide input voltage range, the series adapts to diverse power environments, ensuring stable equipment operation under various working conditions.
Designed for DIN-rail mounting, these power supplies facilitate quick installation and maintenance within distribution cabinets, saving space while enhancing system neatness. Additionally, the NDR series offers a variety of output power specifications to meet diverse application needs, making it an ideal power solution for the industrial sector.

Technical Parameters

Product Specifications

Model numberNDR-75-12NDR-75-24NDR-75-48
OutputDC Voltage12V24V48V
Rated Current6.3A3.2A1.6A
Current Range0~6.3A0~3.2A0~1.6A
Rated Power75.6W76.8W76.8W
Ripple & Noise80mVp-p120mVp-p150mVp-p
Voltage Adj. Range12~14V24~28V48~55V
Voltage Tolerance±2.0%±1.0%±1.0%
Line Regulation±0.5%
Load Regulation±1.0%
Setup, Rise Time1200ms,60ms/230VAC2500ms,60ms/115VAC (full load)2500ms,60ms/115VAC (full load)
Hold Up Time (Typ.)60ms/230VAC12ms/115VAC at full load12ms/115VAC at full load
InputVoltage Range90~264VAC127~370VDC [DC input possible via AC/L(+), AC/N(-)]
Frequency Range47~63Hz
Efficiency (Typ.)85.50%88%89%
AC Current (Typ.)1.45A/115VAC0.9A/230VAC0.9A/230VAC
Inrush Current (Typ.)20A/115VAC35A/230VAC35A/230VAC
Leakage Current<1mA/240VAC
ProtectOverload105~130% rated output power, Constant current limiting, recovers automatically after fault removed
Over Voltage14~17V29~33V56~65V
Over TemperatureShut down output voltage, re-power to recover
SurroundingsWorking Temp.-20~+70°C (Refer to “Derating Curve”)
Working Humidity20~95% RH non-condensing
Storage Temp./Humidity-40~+85°C,10~95% RH
Temp. Coefficient±0.03%/°C (0~50°C)
Vibration10~500Hz, 2G, 10min/1cycle, 60min each X,Y,Z axes; IEC60068-2-6
Safety and EMCSafety StandardsUL508, TUV BS EN/EN62368-1, EAC TP TC 004 approved
Withstand VoltageI/P-O/P:3KVAC, I/P-FG:2KVAC, O/P-FG:0.5KVAC
Isolation ResistanceI/P-O/P, I/P-FG, O/P-FG >100M Ohms / 500VDC / 25°C / 70% RH
EMC EmissionBS EN/EN55032 (CISPR32), BS EN/EN61204-3 Class B
EMC ImmunityBS EN/EN61000-4-2,3,4,5,6,8,11, BS EN/EN55035, BS EN/EN61000-6-2
OthersMTBF2757.3K hrs min. Telcordia SR-332 (Bellcore); 486.2K hrs min. MIL-HDBK-217F (25°C)
Dimension32×125.2×102mm (W*H*D)
Packing0.51Kg;28pcs/15.3Kg/1.23CUFT

Get an Instant Quote for Your Latest Project

From precise Temperature Controllers and Thermocouples to Solid State Relays, Switching Power Supplies, Contactors, and Circuit Breakers—LCTC provides a complete, reliable ecosystem for your control cabinets. Submit your bill of materials (BOM) today for an integrated, volume-discounted quote within 24 hours.
Scroll to Top