MachineU > China Products > Electrical Equipment & Supplies
300W/ 24V AC/DC Switching Power Supply for Telecom Infrastructure and Power Management Solutions
300W/ 24V AC/DC Switching Power Supply for Telecom Infrastructure and Power Management Solutions
Specifications
Brand Name :
ESTEL
Model Number :
HFAD300-220S24
Certification :
ISO9001, CE, 3C, FCC, TLC
Place of Origin :
Shenzhen, China (Mainland)
MOQ :
1
Price :
358-2143 usd
Payment Terms :
L/C, D/A, D/P, T/T, Western Union
Supply Ability :
20,000 sets per month
Delivery Time :
7-10 working days
Packaging Details :
carton/wooden case
Operating temperature :
-40 to +75
Storage temperature :
-40 to +85
Relative humidity :
10% to 90%
Atmospheric pressure :
70 to 106
Vibration :
GB2423.10-95 standard
Impact :
GB2423.10-95 standard
Description
Switching Power Supply
1 . Usage Environment

Number

 Item

Index

requirements

 Unit Remark
1

Operating

temperature

 -40 to +75 ℃
2

Storage

temperature

 -40 to +85 ℃
3

Relative

humidity

 10% to 90%
4

Heat

dissipation method

The radiator is attached to the bottom for

natural conduction heat dissipation

Attach system base plate for heat

dissipation
5 Atmospheric pressure 70 to 106 Kpa
6 Vibration conform to GB2423. 10-95 standard
7 Impact conform to GB2423. 10-95 standard

2 . Electrical characteristics

Number

 Item

Technical

requirements

Unit

 Remark
1 Input characteristics
1.1 Rated input voltage 100 to 240 Vac

1.2

 Input voltage range 90 to 290 Vac

Power supply in -40 ~

+75 ℃ ambient

temperature It can start normally under full load

1.3

Maximum input current

 2.0 Adc

Vin=220Vac , full output load

( 320w )
3.5 Adc

Vin=120Vac , full output load

( 320w )
1.4 Power Factor > 0 .95

Vin=220Vac , full output load

( 320w )
1.5

Rated

frequency

 47 to 63 Hz

1.6

Starting

inrush current

 < 8 3 A Vin=220 Vac ( cold machine test )
< 5 5 A Vin=120 Vac ( cold machine test )
1.7

Leakage

current

 < 5 mA Vin=220 Vac
2 Output characteristics

Number

 Item

Technical

requirements

Unit

 Remark
2.1 Output rated voltage +24±0.3 Vdc Output no load or light load

2.2

Output current range

0 ～ 10A

Adc

 Vin=220 Vac, full load below 65℃, 65℃-75℃ linear derating 30%

2.3

Output ripple

≤ 100

(-40 ℃, 200 mV ,Work

Tested after half an hour )

mV

Vin = 220 Vac , output full load 10 uF +104

Capacitance test ( with Width 20MHz)

2.4

Output spike noise

≤ 150

(-40 ℃, 200 mV ,Work

Tested after half an hour )

mV

Vin = 220 Vac , output full load 10 uF +104

Capacitance test ( with Width 20MHz)
2.5

Voltage

regulation accuracy

 ±2 % Full input voltage range

2.6

efficiency

 ≥ 88 % Vin=220Vac, full output (320w)
≥ 86 % Vin=120Vac, full output (320w)

2.7

 dynamic

Over shoot

amp litu de

 △ V : ≤ ±10 % Vo 2 5 %～ 5 0 %
50 %～ 75 %

Recover

y time

 △ V : ≤ ±200 uS 25% to 50%

response

50 %～ 75 %

2.8

Start-up

overshoot

amplitude

±10

 % Vo

Shutdown

overshoot

amplitude

 % Vo
2.9 Output rise time ≤ 200 mS Output voltage from 10 % rise to 90%
3 Protection features
3.1

Output current limiting

protection

 12.5 to 16 Adc Vin=220Vac Vo=28Vdc
3.2

Output

overvoltage

protection

 30 to 35 Vdc Vin=220Vac output half load

3.3

Output short- circuit

protection

Can be short-

circuited for a

long time , remove the short circuit Automatically

returns to normal
3.4

Input

overvoltage

protection

 300 ～ 315 Vac Output half load
3.5

Input

overvoltage recovery

 280 ～ 300 Vac
3.6

Output

undervoltage protection

 70 to 85 Vac
3.7

Output

undervoltage recovery

 80 to 95 Vac
4 Other features
4.1

Lightning protection

performance

 5 KA
4.2 Specifications and dimensions 230 × 145 × 48 MM L×W× H

3. Safet regulations and EMC characteristics

Number

 Item Standard (or test condition) Remark

1

Dielectric

strength

 Input to Output A ．3000Vac /10mA/1min

No arcing, no breakdown

(Except the

lightning

protection unit)
Input to earth B ．1500Vac /10mA/1min
Output to ground C ．500Vac /10mA/1min

2

Insulation

resistance

 Input to Output ≥ 10MΩ@500Vdc
Input to earth ≥ 10MΩ@500Vdc
Output to ground ≥ 10MΩ@500Vdc

3

Electromagnetic

compatibility

Conducted

interferenc e

 EN55022 , CLASS B

Radiated

interferenc e

 EN55022 , CLASS B

4 . Monitoring alarm function ( alarm interface IN/OK , OUT/OK The port can provide 10mA drive current. )

Number

 Item Characteristic
1 Normal input LED indication The red light is on, indicating that there is AC input

2 Normal output LED indication The green light is on, indicating that the DC output is normal

3

Input online signal IN/OK

When the input is normal, the output is low level; when the input is powered off or

abnormal, the output is high level.
4 Output online signal OUT/OK

When the output is normal, the output is low

level; when the output is abnormal, the output is high level.

5 . Product appearance and dimensions ( unit : mm)

Dimensions ( L × W × H ): 230 × 145 × 48

6 . Interface terminal definition

1. Input terminal: E indicates connecting to the earth; N indicatesconnecting to the neutral wire; L indicates connecting to the live wire.

2. Output terminal: +24V indicates output 24V The positive terminal; GND indicates output 24V reference ground.

7 . Product material, installation drawing and dimensions ( u nit : mm)

Material : Shell base is made of 3.0mm Thick aluminum plate , the upper cover is made of 1mm Made of thick aluminum plate.

300W/ 24V AC/DC Switching Power Supply for Telecom Infrastructure and Power Management Solutions

8 . Aging test requirements

At an ambient temperature of 65 °C, without humidification, power input 220Vac, full load, bottom of the housing close to the heat sink (The recommended heat sink dimensions are as shown below. mm ), power-on aging.

300W/ 24V AC/DC Switching Power Supply for Telecom Infrastructure and Power Management Solutions

Send your message to this supplier
Send Now

300W/ 24V AC/DC Switching Power Supply for Telecom Infrastructure and Power Management Solutions

Ask Latest Price
Product Detail
Brand Name :
ESTEL
Model Number :
HFAD300-220S24
Certification :
ISO9001, CE, 3C, FCC, TLC
Place of Origin :
Shenzhen, China (Mainland)
MOQ :
1
Price :
358-2143 usd
Contact Supplier
300W/ 24V AC/DC Switching Power Supply for Telecom Infrastructure and Power Management Solutions

Tianjin Estel Electronic Science and Technology Co.,Ltd

Verified Supplier
10 Years
guangdong, shenzhen
Since 2002
Business Type :
Manufacturer, Distributor/Wholesaler, Exporter
Main Products :
Outdoor Telecom Cabinet, Telecom Power System, Telecom Rectifier System
Total Annual :
15 Million-20 Million
Employee Number :
101~200
Certification Level :
Verified Supplier
Discover similar products
View More

Find Similar Products By Category:

Supplier Homepage Products Telecom Power System
MachineU China Products Electrical Equipment & Supplies
Contact Supplier
Submit Requirement