48V DC 1000W Switching Power Supply

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$197.54

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Stock: In Stock
Model: RDDLZ-SMPS-1000-48
Weight: 1.00
SKU: RDDLZ-SMPS-1000-48

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Features

Excellent magnetic core enameled wire, high temperature resistance
1000W switching power supply with high voltage resistance, low loss, high capacity
Iron-silicon aluminum magnetic ring, lower working temperature
Highly efficient heat dissipation, low fan noise
High working efficiency, stable output
Exquisite appearance, small size, stable performance

Specification

Model		RDDLZ-MS-1000-48
Output	DC Voltage	48V
	Rated Current	20.8A
	Rated Power	1000W
	Ripple & Noise	<150mVp-p
	Voltage Accuracy	±1%
	Voltage Adjustment Range	±10%
	Load Adjustment Rate	<±0.5%
	Line Adjustment Rate	<±0.5%
Input	Voltage Range	180~264VAC; 254~370VDC
	Frequency Range	47~63Hz
	Efficiency (Typ.)	>85%
	AC Current	220VAC, 8A
	Inrush Current	60A 230VAC
	Setup, Rise, Holdup Time	200ms, 50ms, 20ms: 230V AC
Protection	Overload	105~135% rated output power Protection type: Constant current limiting, recovers automatically after fault condition is removed.
Protection	Over temperature	RTH3: Fan is always running, ≥90°C output shut down.
Environment	Working Temperature	-10 ~ +50℃
	Working Humidity	20~90% RH
	Storage Temperature	-20~+85℃
	Storage Humidity	10~95% RH
Safety & EMC	Withstand Voltage	I/P-O/P: 1.5KVAC I/P-FG: 1.5KVAC O/P-FG: 0.5KVAC
	Leakage Current	I/P-O/P， <6mA at 1.5kVAC； <1.5mA at 220VAC
	Isolation Resistance	I/P-O/P, I/P-FG, O/P-FG: 100M Ohms/500VDC
Others	Dimension	29113268mm (LWH)
Others	Weight	2.4kg

Dimensions (Unit: mm)

Tips: What should I do if the switching power supply makes noise?

Add filter
Adding a filter is a very common way to suppress switching power supply noise. If the power supply is disturbed by external disturbances such as lightning strike and artificial noise, the malfunction will cause great disturbance to the system. If a filter is connected to the AC input, the generation of this disturbance can be effectively reduced, and the disturbance can be reduced in time. The noise that occurs inside the switching power supply does not leak out from the input.
Grounding measures
The purpose of grounding the power supply is for safety reasons, and the electromagnetic compatibility problem can be effectively solved after the grounding of the power supply. Reducing Electromagnetic Disturbance. A good grounding system plays a vital role.
Other measures
In addition to the above measures to effectively suppress the noise of the power supply, we can also start to reduce the noise impact of the switching power supply in terms of the position and direction of component installation, the overall configuration of the system circuit, etc.

To sum up, the noise of switching power supply is affected by many factors. In order to effectively suppress the noise of switching power supply, the relevant staff should pay attention to the analysis of noise of switching power supply, fully grasp the overall situation of the switching power supply, carry out effective management, promote the upgrading of the switching power supply, and improve the use function of the switching power supply.

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