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18W SMPS 12V DC open frame Power Supply State Grid

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18W SMPS 12V DC open frame Power Supply State Grid

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Brand Name : MORNSUN

Model Number : LO20-26D1212-04-C

Certification : \

Place of Origin : China

MOQ : /

Price : Negotiated

Payment Terms : T/T

Supply Ability : 500Kpcs/month

Delivery Time : Negotiated

Packaging Details : Carton packed

Product Name : 18W AC DC open fame Medical Power Supply power supply

Input voltage : 165-480VAC/230-680VDC

Output Voltage : 12VDC/1500mA

High I/O isolation test voltage : 4000VAC

Capacitive Load (µF) Max. : 4000

Efficiency : 80%

Dimension : 76.20 x 50.80 x 30.00 mm

Weight : 65g(Typ.)

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18W AC DC open frame Medical power supply 12VDC output

Descriptions

LO20-26D1212-04-C State Grid TTU dedicated switching power supply.The AC-DC converter is a three-phase four-wire power dedicated Switching power supply designed for intelligent distribution terminal,intelligent power distribution detection terminal,etc.According to the latest national grid company enterprise standard and operates over a very wide input voltage range:165-480VAC or 230-680VDC.It meets the three-phase three wire or four-wire rated voltage.So it is a design solution for electric-meter application sourced from a three-phase AC supply with the requirement of high isolation voltage and rigorous EMC,for extremely harsh EMC environment,we recommend using the application circuit show in Design Reference of this datasheet.

Features

  • l Designed for intelligent distribution and transformer terminals, the main technical indicators meet the national network standards
  • l Ultra wide input voltage range: 165-480VAC/230-680VDC
  • l High I/O isolation test voltage up to 4000VAC
  • l EFT, Surge: ±4KV Perf. Criteria B
  • l Output short circuit, over-current, over-voltage protections
  • l High efficiency, high reliability
  • l Low output ripple & noise, low standby power consumption
  • l Input anti-double rated voltage, normal over-voltage output

​Specifications

Selection Guide

Part No.

Output Power

 Nominal Output Voltage and Current(Vo/Io) Efficiency at 230VAC (%) Typ. Capacitive Load (µF) Max.
Vo1/Io1 Vo2/Io2
LO20-26D1212-04-C 18W 12VDC/1500mA No Pin* 80 4000
Note: * If the second road is empty, you can customize the second 12V/400mA on this model.
Input Specifications
Item Operating Conditions Min. Typ. Max. Unit

Input Voltage Range

 AC input 165 -- 480 VAC
DC input 230 -- 680 VDC
Input Frequency 47 -- 63 Hz

Input Current

 165VAC -- -- 0.7

A
230VAC -- -- 0.4
Inrush Current 230VAC -- 40 --
Input Apparent Power 220VAC input, output power Po=10W -- -- 18 VA
Power Factor 220VAC input, full load PF≥0.8
Input Over-voltage Protection Input double 380/220 VAC (three-phase four-wire), testing time 1S, interval 10S Normal Output

Recommended External Input Fuse

 Three-phase four-wire input 3.15A/250V slow-blow required
Any phase input 3.15A/500V slow-blow required
Hot Plug Unavailable
Output Specifications
Item Operating Conditions Min. Typ. Max. Unit
Output Voltage Accuracy -- ±2 --

%
Line Regulation Full load -- ±0.5 --
Load Regulation 0%-100% load -- ±1 --
Ripple & Noise* 20MHz bandwidth (peak-to-peak value) -- -- 100 mV
Temperature Coefficient -- ±0.02 -- %/℃
Stand-by Power Consumption 230VAC -- -- 0.5 W
Mechanical Specifications
Dimension 76.20 x 50.80 x 30.00 mm
Weight 65g (Typ.)
Cooling Method Free air convection


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