LAK340-220D28-9

Characteristic

This product is designed to comply with the RoHS2.0 directive(EU Direcive 2011/65/EU and its amending direcives (EU) 2015/863)
Typical efficiency:90%
Input over-voltage and under-voltage protection
Output overcurrent protection
Output overvoltage protection
Output short circuit protection
Meet GB4943

Application

Industrial control equipment

Telecommunications equipment

Features

LAK340-220D28-9 is an AC-DC power supply of our company. Its input voltage is 165Vac~300Vac. It converts 220Vac into 28V.

9V, maximum output power 352W

Key performance indicators

Input indicators

Table 1 Input indicators

Parameter	Unit	Test Descniption	Minimum	Typical	Maximum
Operating voltage range	Vac		165	220	300
Input frequency range	Hz		47	50	63
Power factor			0.98

Output indicators

Table 2 Output indicators

Parameter		Unit	Test Description	Minmum	Typical	Maximum
Output voltage	Vo1	Vdc		27.5	28	28.5
	Vo2	Vdc		8.5	9	9.5
Output current 1	Vo1	A		0		10
	Vo2	A		0		8
Output current 2	Vo1	A		0		12.5
	Vo2	A		0
Voltage regulation accuracy 1	Vo1	%In				±1.5
	Vo2	%In				±3

Product Appearance

Introduction 

Tianjin Estel Electronic Science and Technology Co., Ltd (ESTEL(GUANGDONG)TECHNOLOGY CO., LTD), located in China, is a professional supplier of integrated outdoor telecom cabinet and temperature control solutions for outdoor telecom base station. As a science and technology innovative company, we engage in the R&D, manufacture, and sales of telecommunication equipment. Estel has a well-established team of technical and management experts who can meet customers’ specific needs accurately.

The base station integrated solutions and products include outdoor integrated telecom equipment cabinet, battery cabinet, RRU cabinet, power supply cabinet, environment monitoring system, TEC peltier air conditioner, AC220V compressor air conditioner, DC48V variable frequency air conditioner, heat exchanger, rectifier, UPS, embedded telecom power system etc. All the above solutions and products can be custom made.

Our products and solutions have been deployed all over China. Our main domestic customers are China Telecom, China Mobile, China Unicom, State Grid, Shenzhen / Beijing Metro and Huawei / ZTE etc. In addition, our products have been exported to Europe, North America, South America, Central America, Southeast Asia, Africa, Australia, Mid East countries, etc.

“ Customers First, Quality First ” is always our principle. We have attained many certifications, such as ISO9001, ISO14001, OHSAS18001, CE, UL, FCC etc. AS a telecom integrated solutions / energy saving system integrator in China, We have strong advantages in technology competitiveness, management competitiveness ,service competitiveness and price competitiveness. Through many years of experiences in design, production and implementation of different projects around the world, we have gained great reputation. Relying on professional technique and strict quality control, we will continuously offer high cost-effective products and solutions to our respectable customers globally. We will always try our best to meet customers’ need and requirement.

Company Capability

Trade & Market