NNS155

Series:	NN
Part Status:	Active
Type:	Open Frame
Number of Outputs:	1
Voltage - Input:	85 ~ 265 VAC
Voltage - Output 1:	5V
Voltage - Output 2:	--
Voltage - Output 3:	--
Voltage - Output 4:	--
Current - Output (Max):	3A
Power (Watts):	15W
Applications:	ITE (Commercial)
Voltage - Isolation:	3.75kV
Efficiency:	35%
Operating Temperature:	-20°C ~ 71°C (With Derating)
Features:	Load Sharing, Universal Input
Mounting Type:	Chassis Mount
Size / Dimension:	5.91" L x 2.36" W x 4.47" H (150.0mm x 60.0mm x 113.5mm)
Minimum Load Required:	--
Approvals:	CE

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AC DC Converters: NNS155 Application Field and Working Principle

The NNS155 AC-DC converter is a type of power converter primarily used to convert alternating current (AC) to direct current (DC). It is designed with the aim of providing an efficient, reliable and cost-effective means of converting AC power to DC power. The NNS155 has numerous application areas and is used in a wide range of applications such as high voltage and load switching, telecommunications infrastructure, solar energy storage systems, home appliances, automotive systems, industrial equipment, electronic control systems and medical equipment.The efficiency of an AC-DC power converter is determined by its ability to convert input power at a given level of output power. This is the reason why the NNS155 AC-DC converter is designed with an advanced high-efficiency circuit provided with an internal power multiplier, allowing it to achieve up to 95% efficiency. The device also features a number of integrated protection functions such as overvoltage protection, undervoltage protection, overcurrent protection, and overload protection, making it one of the most reliable AC-DC power converters on the market.The working principle of the NNS155 AC-DC converter is based on the switching of the DC power with the use of semiconductor switches. When the input AC voltage to the converter reaches the voltage set by the user, the semiconductor switch is turned on, and an internal controller will open and close the switch as required, depending on the power level of the input AC voltage. When the voltage reaches its maximum setting, the switch is turned off, and the internal voltage regulator takes over to control the output voltage.The NNS155 AC-DC converter also features two different input voltage ranges, depending on the application type. The first range is a wide input voltage range of 90VAC-265VAC, suitable for applications that use AC sources from regular utility power grid. The second input voltage range is the low voltage range of 12VAC-400VAC, suitable for applications that use low voltage AC sources such as photovoltaic systems and off-grid systems.In summary, the NNS155 AC-DC converter is an efficient and reliable power converter designed for a wide range of applications. It is capable of delivering up to 95% efficiency with an impressive array of integrated protections and two different input voltage ranges, making it a standout choice for a variety of environments.

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