Basic Info.

Model NO.

GPAD651M27-5B

Trademark

Goldpower

Origin

China

Model NO.

GPAD651M27-5B

Trademark

Goldpower

Origin

China

Product Desciption

1 INTRODUCTION
GPAD651M27-5B is the AC/DC power supply of high power with multi-outputs. Due to the latest circuit design, it is compact and of reliable performance. It has the wide range of input voltage and has many functions including the functions of input over-voltage and wanting voltage,output short-circuit, over-current, over-voltage and over-heating. It also has the alarm function,  the cooling way of natural conductive. The power supply is designed strictly in accordance with the safety regulations, which conforms to the safety standards and requirements of information technology.
2  SPECIFICATION REQUIREMENTS
2.1 Environmental Requirements
2.1.1 Operating temperature -40ºC~+65ºC
2.1.2 Storage temperature:-45ºC~+85ºC
2.1.3 Relative humidity:20%~90%
2.1.4 Absolute altitude:≤3000m
2.1.5 Atmospheric pressure:70~106KPa
2.1.6 Cooling:natural conductive
2.2 Input Requirements

Item	Unit	Min	Typical	Max	Testing Conditions
Input voltage range	Vac	145	220	295
	Vac	155		285
Input power factor		0.9

2.3 Output Requirements
2.3.1 Basic output requirements

Output voltage	Output voltage range	Output current range	Regulator precession	Load regulation	Voltage regulation	Ripple
+27V	26.8V~27.5V	1A~20A	≤±3%	≤±2%	≤±1%	≤50mV
+9V	8.9V~9.25V	0A~8A	≤±3%	≤±2%	≤±1%	≤50mV
MODEM(+12V)	11.85V~12.3V	0A~2A	≤±3%	≤±2%	≤±1%	≤30mV
charge24.6V	24V~24.6V	0A~0.3A	≤±3%	≤±2%	≤±1%	≤30mV

Remark: During the ripple testing(peak-peak value), it is measured under the rated voltage input and load, with 0.1UF filmy capacitor and 10UF/50V high frequency electrolytic capacitor on output, 20MHz bandwidth of oscillograph.
2.3.2 Other requirements

Item	Unit	Min	Typical	Max	Testing Conditions
Output Power	W	-	640
Output Efficiency	%	80		-	Rated input/output
Temperature coefficient	/ºC			±0.02%

2.4 Protection

Item	Unit	Min	Typical	Max	Recovery characteristics
Input over-voltage protection	V	295		330
Recovery point for Input over-voltage protection	V	285		315
Input under-voltage protection	V	120		145
Recovery point for Input under-voltage protection	V	135		155
Battery under-voltage protection	V	17		18
+27V output over-voltage protection	V	30	-	32.5	Auto recovery
+9V output over-voltage protection	V	11		14	Auto recovery
MODEM output over-voltage protection	V	14		17	Auto recovery
+27V output limited current protection	A	22		25	Auto recovery
+9V output limited current protection	A	8.5		13	Auto recovery
MODEM output limited current protection	A	3		5.5	Auto recovery
Over-heating protection	ºC	95		105	Auto recovery
Short-circuit protection	A				Auto recovery after long time

2.5 Safety

Item	Level	Standards(or testing conditions)
Insulation voltage (output to ground)	500Vdc	500Vdc/1Min / Leakage Current≤10mA
Insulation voltage ( input to ground)	1500Vac	1500Vac/1Min / Leakage Current≤10mA
Insulation voltage ( input to output)	1500Vac	1500Vac/1Min / Leakage Current≤10mA
Insulation resistance	10MΩ	Under normal atmospheric pressure, and when the relative humidity is 90%, and the testing voltage is DC 500v, for the power supply, the insulation resistance of input to output, input to ground, and output to ground is no less than 2MΩ.
grounding resistance	0.1Ω	It will be less than 0.1Ω for a single power supply.
Tangent current	1.75mA	It will be less than 1.75mA for a single power supply.

2.6 EMC

Item	Index requirements	Standards
CE	CLASS A	EN55022
RE	CLASS A	EN55022
CS	LEVEL 2:3V/m	IEC61000-4-6
RS	LEVEL 2:3V/m	IEC61000-4-3
ESD	LEVEL 3	EN61000-4-2(CLASS B)
ESD	There is no influence on the operation of power supply when charge on the case after power supply is encased Tangent discharge:±6KV Air discharge:±8KV	EN61000-4-2(CLASS B)
EFT/B	LEVEL 3:2KV	IEC61000-4-4
SURGE	LEVEL 3:line-line2KV           Line-ground4KV	EN61000-4-5
DIP	Drop to70%,40%,0% Holding time 10ms,100ms,500ms etc.	IEC61000-4-11

2.7 Other requirements

Item	Index requirements	Performance
Noise	The noise of power supply should be less than 55dB(A), the condition is in the range of input voltage and output voltage and current, the distance is 1 meter from front , back, right and left, and 1.5 meter from upper and underside.	Pass
MTBF	100,000H
Vibration	>Frequency : 5 to 10 Hz >Amplitude : 3.5mm,9~200Hz >Direction : 3 directions >Sweep time : 50minutes(50minute per one way) > acceleration:10m/s2, > there is no influence on power supply.	Pass
Shock	Half-sine wave,acceleration: 20G,Amplitude 11ms,Direction : 3 directions(X,Y,Z)  3 times per one direction	Pass
Dustproof	Has some function of dustproof	Pass
Odor	No peculiar smell and deleterious gas	Pass