Switching Power Supplies

12V 8A AC To DC Power Supply Unit For CCTV Two Years Warranty

12V 8A AC To DC Power Supply Unit For CCTV Two Years Warranty

12V 8A AC to DC Switching Power Supply Unit is from 100W series, which is offer used model. Every of products need to pass 4 times inspection and 100% full load burnt in test for 4 hours before delivery to make sure reliable products arriving to the customers.

Product details

Feature:
1) High reliability;

2) Free cooling;
3) 100% full load burn-in test;
4) Protections: Over current/ over voltage/ short circuit
5) Dimension: 199x98x40 (mm)

Specification
AC input voltage range…………….…...175~264VAC
Input frequency……………………..…..47~63Hz
Inrush current……………………….….cold start 40A/230V
Input leakage current……………….…..<0.7mA/230VAC
Line regulation (full load)…………..….≤ ± 0.5%
Output voltage adjust range…………….± 10%
Output over current protection…………110~150%
Output over voltage protection………...115~150%

Withstand voltage…………………...…I/P-O/P: 1.5KVAC/1min

                                I/P-F/G: 1.5KVAC/1min

                                O/P-F/G:0.5KVAC/1min

Rise time…………………….…..….…..50ms@full load (typical)

Hold up time…………………………...20ms@full load (typical)

Operating temperature & humidity…….-10~ +50, 20%~93% RH (non condensing)

Storage temperature & humidity………-20~ +85, 20%~95% RH (non condensing)
Safety standards……………………….GB4943, UL60950, EN60950

EMC standards…………………..……GB9254, EN55022 classB, EN55024, EN61000-3-2-3,

                                EN61000-4-2, 3, 4, 5, 6, 8, 11

 

Typical Models List:

Item   No.

DC output

Ripple   & noise

Voltage tolerance

Efficiency

JRB-100S-5

5V

20A

100mV

±5%

78%

JRB-100S-12

12V

8A

150mV

±5%

80%

JRB-100S-24

24V

4A

150mV

±5%

82%

JRB-100S-48

48V

2.5A

200mV

±5%

85%

 

 

 

 

 

 

 

Power supply FQA

 

Q: What should I consider when selecting a Power Supply Unit (PSU)?

 

A: Efficiency and Reliability are the two most important factors to consider in selecting a PSU.

 

The best way to ensure the reliability of the PSU is to choose one that provides a maximum of 30% more output than your actual total requirement. For example, if your system has a 90W power requirement, you should choose a PSU with at least 120W power output rating. By doing so, you are boosting the reliability of the PSU as well as prolonging the entire system life.

 

 

Q: What is power factor correction?

 

A: Poor power factor can be corrected by adding some form of power factor correction to the AC input of the power supply. Power Factor Correction comes in two forms: Active Power Factor Correction, or APFC, and Passive Power Factor Correction.

 

Passive Power Factor Correction uses a filter that kills any harmonic current and passes current only at line frequency (typically 60Hz in theU.S.) The filters typically come in the form of large, high-value inductors.

 

Active Power Factor Correction is done by using a boost converter in between the bridge-rectifier and main input capacitors. The boost converter attempts to maintain a constant output voltage while drawing a current that is always in phase and at the same frequency as the line voltage.


Jinrui Energy Technology is one of the professional 12v 8a ac to dc power supply unit for cctv two years warranty manufacturers and suppliers. We have been dedicated to technology switching power supplies' field for many years. With customized service offered in our factory, we warmly welcome you to buy or wholesale competitive price bulk equipment with us.
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