ND-75-48

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  • Universal 90 - 264VAC or 120 - 370VDC Input voltage

  • Accepts AC or DC input (dual-use of same terminal)

  • Operating ambient temperature range: -30℃ to +70℃

  • High I/O isolation test voltage up to 4000VAC

  • Low ripple & noise

  • Output short circuit, over-current, over-voltage, over-temperature protection

  • DIN rail TS-35/7.5 or 15 mountable

  • Suitable for small chassis and narrow space installation

  • Safety according to CE, BS EN62368

Selection Guide
Certification Part No. Output Power (W) Nominal Output Voltage and Current (Vo/Io) Output Voltage Adjustable Range (V) Efficiency at 230VAC (%) Typ. Max. Capacitive Load (µF)
 
EN/BIS
ND-75-12 75.6 12V/6.3A 12-14 86 6000
ND-75-24  
76.8
24V/3.2A 24-28 89 1500
ND-75-48 48V/1.6A 48-53 90 1000
                
 
Input Specifications
Item Operating Conditions Min. Typ. Max. Unit
 
Input Voltage Range
AC input 90 -- 264 VAC
DC input 120 -- 370 VDC
Input Voltage Frequency   47 -- 63 Hz
 
Input Current
115VAC -- -- 2  
 
A
230VAC -- -- 1
 
Inrush Current
115VAC  
Cold start
-- 25 --
230VAC -- 45 --
Leakage Current 240VAC 0.5mA
Hot Plug   Unavailable
 
 
 
Output Specifications
Item Operating Conditions Min. Typ. Max. Unit
 
Output Voltage Accuracy
 
Full load range
12V -- ±2.0 --  
 
%
24V/48V -- ±1.0 --
Line Regulation Rated load -- ±0.5 --
Load Regulation 0% - 100% load -- ±1.0 --
 
Ripple & Noise*
 
20MHz bandwidth (peak-to-peak value)
12V -- -- 80  
mV
24V -- -- 120
48V -- -- 150
Temperature Coefficient   -- ±0.03 -- %/
Minimum Load   0 -- -- %
 
Hold-up Time
115VAC 12 -- --  
ms
230VAC 60 -- --
Short Circuit Protection Recovery time < 3s after the short circuit disappear. Constan tcurrent,continuous,self-recovery
 
Over-current Protection
Normal temperature 105% - 150% Io, constant current mode, automatic recover after fault condition is removed
Low temperature, high temperature 105%Io, constant current mode, automatic recover after fault condition is removed
 
 
Over-voltage Protection
12V 17V (Output voltage turn off, re-power on for recover)
24V 33V (Output voltage turn off, re-power on for recover)
48V 60V (Output voltage turn off, re-power on for recover)
Over-temperature Protection   Output voltage turn off, re-power on for recover after the temperature drops.
Note: *The “Tip and barrel method” is used for ripple and noise test, output parallel 47uF electrolytic capacitor and 0.1uF ceramic capacitor, please refer to Enclosed Switching Power Supply Application Notes for specific information.
General Specifications
Item Operating Conditions Min. Typ. Max. Unit
 
Isolation Test
Input -   
Electric strength test for 1min., leakage current <10mA
2000 -- --  
VAC
Input - output 4000 -- --
Output - 500 -- --
 
Insulation Resistance
Input -   
At 500VDC
50 -- --  
MΩ
Input - output 50 -- --
Output - 50 -- --
Operating Temperature   -30 -- +70  
Storage Temperature   -40 -- +85
Storage Humidity  
Non-condensing
10 -- 95  
%RH
Operating Humidity 20 -- 90
Switching Frequency   -- 65 -- kHz
 
Power Derating
Operating temperature derating -30to -10 2.0 -- --  
%/
+45to +70 2.0 -- --
Input voltage derating 90VAC - 100VAC 2.0 -- -- %/VAC
 
Safety Standard
  IS13252 (Part1) safety approved & EN62368-1 (Report)
Design refer to  BS EN 62368-1
Safety Class   CLASS I
MTBF MIL-HDBK-217F@25 300,000 h
 
Mechanical Specifications
Case Material Metal (AL1100, SGCC)
Dimensions 32.00 x 125.00 x 87.50mm
Weight 350g (Typ.)
Cooling Method Free air convection
 
Electromagnetic Compatibility (EMC)
 
Emissions
CE CISPR32/EN55032   CLASS B
RE CISPR32/EN55032   CLASS B
THD IEC/EN 61000-3-2   CLASS A
Immunity ESD IEC/EN 61000-4-2   Contact ±6KV/Air ±8KV perf. Criteria A
  RS IEC/EN 61000-4-3   10V/m perf. Criteria A
EFT IEC/EN 61000-4-4   ±2KV perf. Criteria A
Surge IEC/EN 61000-4-5   line to line ±2KV/line to ground ±4KV perf. Criteria A
CS IEC/EN61000-4-6   10 Vr.m.s perf. Criteria A
Voltage dips, short interruptions and voltage variations immunity IEC/EN61000-4-11   0%, 70% perf. Criteria B