ED-PSU1204

DC 12V 4A Power Adapter

  • a class Ⅱ adapter of single-phase 48.0 watts, single output level power supply
  • Reliability level of 50K hours MTBF @ 25°C(rated input voltage，and using the Telcordia SR-332 Issue 3 method)
  • DC output voltage must be Safe Extra Low Voltage (SELV) & Limited Power as defined by IEC62368-1
  • Pre-installed UK, US, AU or EU standard plugs
  • Natural convection cooling
  • Simple design philosophy
cm4sen0

Specifications

Input Parameters
Rated input voltage100-240Vac
Operating range90-264Vac
Rated input frequency50/60Hz(±3Hz)
Rated input current≤1.5A
Power Consumption (no-loading)≤0.1W
Primary current protectionAn adequate internal fuse on the AC input line is provided
Configuration2 Conductor
Output Parameters
Nominal DC output voltage+12.0V
Minimum load current0A
Rating load current4.0A
Peak load current/
Rating output power48.0W
Line regulationThe line regulation is less than ±5% while measuring at rated load and ±10% of input voltage changing.
Load regulationThe load regulation for +12.0Vis less than ±5%, at measured output load from 10% to 100% rated load.
Ripple and noise
  • 200 mVp-p
  • Measurement Conditions:
    • Add 0.1uF/50V ceramic capacitor and 10uF/50V aluminum electrolytic capacitor across the output terminal.
    • Measured with 20MHz Bandwidth Oscilloscope.
Average efficiency
  • 87.77% minimum
  • Measurement Conditions:
    • Input voltage: 115V/60Hz and 230V/50Hz
    • Output current: 100%, 75%, 50%, 25%
Turn on delay time4000 mS max, at nominal input AC voltage and full load.
Rise timeThe supply shall have a start-up rise time of less than 20 mS to rise to within regulation limits for all DC outputs.
Hold up time8 mS minimum at nominal input 100Vac minimum voltage and full load.
Output over-shootLess than 10% of nominal voltage value.
Over-voltage protectionThe output voltage shall be clamped by internal protection.
Short-circuit protection
  • The adapter shall not be damaged by short the DC output to Ground.
  • The adapter shall resume normal operation when a short circuited fault condition is removed.
Over current protectionThe output shall be protected against the over current conditions.
Mechanical Characteristics
Plastic caseUL94V-0
WeightAbout 210g
Dimensions93mm x 33mm x 57.5mm
ColorBlackK
Input pinInternational Pin (one of UK, US, AU or EU types)
Output connector
  • DC plug type: 5.5×2.5×9.5mm (Fork and Groove)
  • Polarity: Center “+”
Cable
  • Length: 1.5m
  • Standards: VW-1 80℃ 300V 1185 3.5Q 18AWG BLACK
  • Environmental Requirements: PAHS REACH ROHS PROP65
Regulatory Compliance
EMC Specifications
  • FCC Part 15: Class B for radiated and conducted emissions.
  • EN55032, Class B for radiated and conducted emissions.
Immunity
  • Electrostatic Discharge Immunity
    • Standards: EN 55035, EN 61000-4-2
    • Measurement Conditions:
      • Air Discharge: ±8kV
      • Contact Discharge: ±4kV
      • Performance Criteria B
    • Measurement Methods: Electrostatic-discharge test by contact or air should be conducted with Static-discharge tester, energy storage capacitance of 150pF, and discharge resistance of 330Ω 8kV air discharge, 4kV contact discharge.
    • Radiated Field Immunity
      • Standards: EN 55035, EN 61000-4-3
      • Measurement Parameters:
        • Frequency Range: 80-1000MHz, still need test singly 1800MHz, 2600MHz, 3500MHz, 5000MHz
        • Field Strength: 3 V/m with 80% amplitude modulation of 1kHz
        • Performance Criteria A
      • Measurement Methods: Radio-frequency electromagnetic field susceptibility test, RS 80-1000MHz, 3V/m, 80%AM(1kHz).
    • Fast Transient Immunity
      • Standards: EN 55035, EN 61000-4-4
      • Measurement Levels:
        • Power line: 1kV
        • Signal line: 0.5kV
        • Performance Criteria B
    • Surge Immunity
      • Standards: EN 55035, EN 61000-4-5
      • Measurement Levels:
        • Line to line: ±1kV
        • Line to Earth: ±2kV
        • Phase Angle: +90° / -270°
      • Measurement Methods: Lightning Surge Voltage shall be applied in differential and common mode to AC input lines and cross primary AC input and secondary GND.
    Certification
    • UL: UL 62368-1
    • CUL: CSA C22.2 NO.62368-1
    • CE: EN62368-1
    • UKCA: BS EN62368-1
    • RCM: AS/NZS62368.1
    Safety Requirements
    • Dielectric Withstand Voltage, Primary(input AC short)-to-Secondary(output DC short): 3000Vac, 10m A, 1 minute.
    • Insulation Resistance, Input to output: 50MΩ(MIN.) at 500VDC.
    • Reinforced insulation system, Primary-to-Ground and Primary-to-Secondary.
    • The leakage current shall not exceed 0.25mA.
    Environmental Requirements
    Operating Temperature0°C～40°C
    Storage Temperature-20°C～70°C
    Operating Humidity 10%～90% (Non Condensing)
    Storage Humidity10%～90% (Non Condensing)

    Dimensions

    Unit: mm

    • Main Body and AC Plug
    psu1204-dimension
    • Cable and DC Plug
    cable-dimension

    The Polarity: tm

    • Cable and Phoenix Terminal Plug
    3.5mm-pl

    Ordering Code

    orderingcode

    Packing List

    • 1 x ED-PSU1204 Power Adapter