-53.5Vdc Telecommunication Power-直流通信电源

-53.5Vdc Telecommunication Power

DC power system with -53.5VDC output for communication devices，CCTV, traffic lights,ect.

产品详情

Application
Ethernet,Servers,Exchangers,Local area network (LAN) and metropolitan area network,Indoor wireless
network,Telecommunications equipment,CCTV,Traffic lights,ect.
Introduction
It is a power supply of high capacity with two-way AC/DC outputs. The power supply adopts the latest circuit design, which has compact structure and reliable performance. The equipment has high accuracy and high output efficiency. With wide input voltage range, input overvoltage protection,output short-circuit protection, overcurrent protection and overtemperature protection. The cooling uses the natural heat dissipation of the system.
The entire power supply is strictly designed in accordance with safety regulations and meets the requirements of information technology safety standards. With the following characteristics: Class D lightning protection capability, outdoor with high dust proof and waterproof design, protection level IP65, using contact heat dissipation on the bottom,with metal shell, the power supply housing and cable connector needs to be equipped with anti-off screws, support installation on the pole and wall. Which can be widely applied to the Base Station of GSM/CDMA, Exchange Bureau of medium-low capacity, Satellite Communication, Data Communication,mobile communication,Access network,microwave communication,electric power system,CCTV, traffic lights. ect.

Standards

Q/ZX 23.011.1-2004 Electromagnetic Compatibility Test Requirements for Communications Equipment-General Provisions

YD/T 731-2002 high frequency switching rectifier

ETSI 300 019 Environmental Engineering (EE)；Environmental conditions and environmental tests for telecommunications equipment

ETSI EN 301 489-1 Electromagnetic compatibility and Radio spectrum Matters (ERM); Electromagnetic Compatibility (EMC) standard for radio equipment and services; Part 1: Common technical requirements

ETSI EN 301 489-8 Electromagnetic Compatibility and Radio spectrum Matters(ERM);Electromagnetic Compatibility(EMC) Standard for Radio Equipment and services；Part 8: Specific conditions for GSM Base stations

BS EN 55022 Information Technology Equipment-Wireless Interference Characteristics-Restriction and Measurement Method CEI IEC 60950-1999 Safety of information technology equipment

UL 60950 Safety of Information Technology Equipment

IEC61000-4 Electromagnetic compatibility (EMC); part 4: testing and measurement techniques

IEC 60529 AMD 1-1999 Degrees of protection provided by enclosures（IP code)

Specification

SP53.5M-B Telecommunication Power
Environment
Specification	Min			Standard			Max		Unit		Remark
Working temperature	-25						50		°C		-30°C，power supply can start work
Storage temperature	-30						85		°C
Humidity	5						95		%
Air pressure	70						106		KPa
Altitude							4000		m
Cooling											nature
Input
Specification		Min	Standard			Max		Unit		Remark
Input range		150	220			280		Vac
		212			396			Vdc
Frequency		45	50		65			Hz
Power factor		0.95								Rated input, rated output(load current plus battery current 15A)

Output
Specification	Min	Standard	Max	Unit	Remark
Voltage range	-52	-53.5	-58	Vdc	Rated input, full load at test
Current			15	A
Voltage stabilizer accuracy			±2	%
Load adjustment rate			±1	%
Source adjustment rate			±1	%
Ripple+noise			200	mV
Efficiency	90			%	220Vac±20%/310Vdc±20% input，100% rated output
Output capacity		802		W
Temperature coefficient			±0.02%	/℃
Dynamic response overshoot			±5	%	25%～50%～25%或50%～75%～50%负载变化
Dynamic response recovery time			200	us	0.1A/ us
Overshoot value on and off			±5	%
Soft Start Time			8	S	Rated input voltage switch to output voltage established to set value

Protection
Specification		Min	Standard	Max	Unit	Remark
Input overvoltage protection		290		305	Vac	half load test, self-recovery
Input overvoltage protection		410		431	Vdc
Input overvoltage protection recovery value		275		290	Vac
Input overvoltage protection recovery value		389		410	Vdc
Input undervoltage protection		130		145	Vac	half load test, self-recovery
Input undervoltage protection		184		205	Vdc
Input undervoltage protection recovery value		135		150	Vac
Input undervoltage protection recovery value		191		212	Vdc
-53.5V output overvoltage protection		58	59	60	Vdc	After protection, it must be restarted before it can be restored.
Load output limit protection			16.5	18	A	The total current of the load current and the battery current can be self-restored
High temperature protection		55			℃	The ambient temperature can be automatically restored below 55 °C
Output short circuit protection						Long term short circuit, automatic recovery
Safety and insulation grade
Specification	Standard					Remark
Insulation voltage(input-output)	4242Vdc					Should be able to withstand the corresponding DC voltage for 1 minute, leakage current ≤ 30mA, no breakdown or arc phenomenon
Insulation voltage(input-earth)	2121Vdc
Insulation voltage(output-earth)	500Vdc
Insulation resistance	≥10MΩ At normal atmospheric pressure, the relative humidity is 90%, and when the test voltage is 500VDC, the insulation resistance of the power supply input to the output, input to the ground, and output to the ground is not less than 10MΩ.
Leakage current	＜3.5mA					280Vac test