En
Contact Us

Products

Industrial Computers HMI PLC & PAC IoT Gateway Industrial Monitor & Display Industrial AI Camera Remote I/O SBC CPU Modules Image Sensors & Lens Extension Boards Accessories

Solutions

Custom Design

Branding & Labeling Mechanical Design Hardware Design Software Design Manufacturing Services CM4 Programming

Docs

Support

RPI Developer Technical Support Warranty FAQs

Company

About us Contact us Company privacy News CODESYS License Change Notice - PCN1 CODESYS License Change Notice - PCN2 Embedded World 2026

Partners

System Integration Partner Profile System Integration Partners Software Framework Provider Profile Software Framework Providers Distributors
Select Region/Language
EN CN
Home > Products > Accessories

ED-PSU1204

DC 12V 4A Power Adapter

Key Featured
  • 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
Online Docs


Specification
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)
    Mechanicals

    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
    Docs
    Type Title Publish Time
    Datasheet ED-PSU1204 Datasheet 2024-04-10
    Related Products
    ED-MONITOR-156C

    • 15.6“, Industrial Grade TFT LCD Panel, Standard HDMI Input

    • 1920 x 1080 Full HD Resolution

    • USB multi-touch capacitive touch screen

    • 450 nits of brightness, support adjustable controls

    • IP65 rated dustproof & waterproof for the front panel

    • Embedded & VESA mounting

    ED-MONITOR-133C

    • 13.3“, Industrial Grade TFT LCD Panel, Standard HDMI Input

    • 1920 x 1080 Full HD Resolution

    • USB multi-touch capacitive touch screen

    • 450 nits of brightness, support adjustable controls

    • IP65 rated dustproof & waterproof for the front panel

    • Embedded & VESA mounting

    ED-MONITOR-185C

    • 18.5“, Industrial Grade TFT LCD Panel, Standard HDMI Input

    • 1920 x 1080 Full HD Resolution

    • USB multi-touch capacitive touch screen

    • 290 nits of brightness, support adjustable controls

    • IP65 rated dustproof & waterproof for the front panel

    • Embedded & VESA mounting

    ED-MONITOR-215C

    • 21.5“, Industrial Grade TFT LCD Panel, Standard HDMI Input

    • 1920 x 1080 Full HD Resolution

    • USB multi-touch capacitive touch screen

    • 450 nits of brightness, support adjustable controls

    • IP65 rated dustproof & waterproof for the front panel

    • Embedded & VESA mounting

    ED-MONITOR-116C

    • 11.6“, Industrial Grade TFT LCD Panel, Standard HDMI Input

    • 1920 x 1080 Full HD Resolution

    • USB multi-touch capacitive touch screen

    • 450 nits of brightness, support adjustable controls

    • IP65 rated dustproof & waterproof for the front panel

    • Embedded & VESA mounting

    ED-MONITOR-101C

    • 10“, 1024 x 600 TFT LCD screen, Standard HDMI Input

    • USB multi-touch capacitive touch screen

    • 500 nits of brightness, support adjustable controls

    • IP65 rated dustproof & waterproof for the front panel

    • Embedded & VESA mounting

    ED-MONITOR-070C

    • 7“, 1024 x 600 TFT LCD screen, Standard HDMI Input

    • USB multi-touch capacitive touch screen

    • 425 nits of brightness, support adjustable controls

    • IP65 rated dustproof & waterproof for the front panel

    • Embedded & VESA mounting

    EDATEC

    Started in 2017, EDATEC has been certified as one of the global design partners of Raspberry Pi since 2018, providing Raspberry Pi based industrial computers design and manufacturing services for global customers.

    • Building 29, No. 1661, Jialuo Road, Jiading District, Shanghai.
    • CN: +86-159 2148 3028 (yang)
      US: +86-18217351262 (Iris Zhou) +1 859-653-0800 (Randall Restle)
    • support@edatec.cn
    Submit Your Message

    INFO

    By submitting, you agree to EDATEC's policies
    NO
    YES

    GitHub

    Phone

    For enquiry or purchase of our products, please contact us:
    CN: Iris Zhou
    Tel: +86-18217351262
    E-mail: izhou@edatec.cn

    US: Randall Restle
    Tel: +1 859-653-0800
    E-mail: randall@edatec.cn

    Form

    Subscribe

    Please enter the verification code

    captcha
    取消
    确认