NDR-U240-XS

Product catalog summary

Description: The TPR/NDR-U240-XS series is a 2400W power supply with an input voltage range of 90-264VAC and output voltages of 24V or 48V. It is known for high reliability, precision, efficiency, and a compact size. It includes short circuit and overload protection and is used in various electronic systems such as telecommunications and industrial control.

Output Characteristics: The power supply offers output voltage regulation of 24-28V for 24V output and 48-56V for 48V output. The rated output current is 10A at 24V and 5A at 48V. Ripple and noise levels vary with temperature, and the capacitive load capacity is 3500uF for 24V and 1000uF for 48V. Line and load regulation are ±0.5% and ±1.0% respectively.

Features: The device supports AC input from 90VAC to 264VAC and DC input from 127VDC to 370VDC. It operates efficiently up to 88% and has a mini width of 70mm. It includes protections against short circuit, overload, over-voltage, and over-temperature.

Input Characteristics: The rated input voltage range is 100VAC to 240VAC, with a frequency range of 47Hz to 63Hz. The power factor is 0.98 at 110VAC and 0.94 at 230VAC.

Protection: Overload protection is provided with constant current limits, and over-voltage protection shuts down the output with auto recovery. Over-temperature protection is also included.

Environment Characteristics: The operating temperature range is -20℃ to 70℃, with storage temperatures from -40℃ to 85℃. The device can withstand vibrations and pulses as per IEC standards and operates at altitudes up to 6000m.

Safety & EMC Standards: The power supply complies with safety standards GB4943/EN60950 and EMC standards EN55022, EN55024. It has a leakage current of ≤3.5mA at 25℃.

Others: The net weight is 0.94kg, and the dimensions are 70x124x127mm. It supports series/parallel functions and has a DC OK relay contact rating.

Reliability Characteristics: The MTBF is 300,000 hours at 25℃, and the design life of electrolytic capacitors is over 3 years at 50℃.

Mechanical Dimensions: The document provides detailed mechanical dimensions and mounting instructions for optimal performance.

Catalog excerpts

TPR/NDR-U240-XS Series 240W AC-DC DIN RAIL Power Supply The rated output power of TPR/NDR-U240-XS series is 2400W,input voltage range: 90-264VAC, output voltage : 24V, 48V,High reliability, precision,effificency , ultra-small size, stable output voltage ,etc., with short circuit & overload protection, Widely used in telecommunications, industrial control,signal control , instrumentation, data acquisition, New Energy, Security,and other electronic systems. Operating temperature: -20C~70C Mini width: 70mm AC input : 90VAC-264VAC,DC input:127-370VDC High reliability,effificency,100% full load burn-in test Mounting track: TS-35/7.5 or TS-35/15 Protection:short circuit,over-load,over-voltage,over-temperature RoHS complaint Built-in current limiting circuit

Open the catalog to page 1

TPR/NDR-U240-XS SeriesINPUT CHARACTERISTICS Set-up voltage @-25~70'C <90 VAC , <127VDC Inrush current @25C <20A@110 Vac input <60A@230Vac Cold start

Open the catalog to page 2

TPR/NDR-U240-XS Series RELIABILITY CHARACTERISTICS

Open the catalog to page 3

CHARACTERISTICS CURVE

Open the catalog to page 4

MOUNTING METHOD INSTRUCTION A1 is recommended output current , A2 is the allowed max output current (PSU lifetime is around half of A1) Below curves are tested under 230Vac(179~264Vac), when 110Vac input(85~175Vac), all derating points drops 10℃

Open the catalog to page 5