SMV-20 Waterproof Constant Voltage 12V/15V/24V 20W IP67 Power Supply

A 20W waterproof constant voltage power supply is a power device specifically designed for electronic equipment that operates in moist or outdoor environments. This type of power supply mainly functions to provide a stable voltage output while also possessing waterproof characteristics, ensuring safe and reliable operation under various conditions. Below are some of the primary functions and roles of a 20W waterproof constant voltage power supply:

Constant Voltage Output: No matter how the input voltage fluctuates, a 20W waterproof constant voltage power supply is capable of maintaining a stable output voltage, which is critical for devices that depend on a steady power supply.

• Waterproof Performance: These power supplies usually have a IP67 level of waterproofing, allowing them to be used in wet environments or even when directly exposed to water without sustaining damage. This makes them ideal for outdoor use, such as in garden lighting, building exterior lighting, swimming pool lights, and similar applications.

• Reliability and Durability: Since they are designed for harsh working conditions, 20W waterproof constant voltage power supplies are often made with robust materials and undergo special treatments to enhance their durability and adaptability across different temperature ranges.

• Safety: The waterproof feature not only extends the lifespan of the equipment but also enhances user safety by reducing the risks associated with short circuits or electrical shocks.

• Versatility: In addition to the aforementioned applications, a 20W waterproof constant voltage power supply can be used for billboard lighting, signage, decorative landscaping, aquarium lighting, and other scenarios that require waterproof and stable power supplies.

• Energy Efficiency: Some high-quality 20W waterproof constant voltage power supplies boast high energy conversion efficiency, meaning they can effectively convert input electrical energy into output electrical energy, thereby reducing waste and enhancing the overall efficiency of the system.

Model		SMV-20-12	SMV-20-15	SMV-20-24
Output	DC voltage	12V	15V	24V
	Rated current	1.67A	1.34A	0.84A
	Current range	0-1.67A	0-1.34A	0-0.84A
	Rated power	20W	20W	20W
	Ripple&noise	50mVp-p	80mVp-p	100mVp-p
	Voltage tolerance	±1.5%	±1.0%	±1.0％
	Line regulation	±0.5%	±0.5%	±0.5％
	Load regulation	±1.5%	±1.0%	±1.0％
	Set up,rise time	200ms,50ms,30ms
	Hold up time（Typ.)	30ms/230VAC
Input	Voltage range	85~264VAC or 120~373VDC
	Frequency	47 ~ 63Hz
	Efficiency	75%	78%	80%
	AC current	0.3A/230V
	Inrush current	Cold start: 30A/230V
	Leakage current	<0.5mA/240VAC
Protection	Overload	Rated output power 105%~135% start overload protection
		Protection type:hiccup mode,auto-recovery after fault condition is removed
	Over voltage	Rater output power 135%~150% start over voltage protection
		Protection type:Shut down o/p voltage, re-power on to recover
	Over temperature	When temperature of transistor inner node is over 105℃,start over temperature protection
		Protection type:Shut down o/p voltage, re-power on to recover
Environment	Working temperature	-10℃～+60℃
	Working humidity	20-90%RH
	Storage temp,humidity	-20~+85℃，20%-90%RH
	Temp.coefficient	±0.03%℃(0-50℃)
	Vibration	10 ~ 500Hz, 5G 12min./1cycle, period for 72min. each along X, Y, Z axes
Safety & EMC	Safety standards	Compliance to:CE and GB4943.1 safety standards
	Withstand voltage	I/P-O/P:1.5KVAC 1minute I/P-FG:1.5KVAC 1minute O/P-PG:0.5KVAC 1minute
	Isolation resistance	I/P-O/P, I/P-FG, O/P-FG:100M Ohms / 500VDC / 25℃/ 70% RH
	EMC emission	EN61000-3-2:2014/EN61000-3-3:2013
	EMC immunity	EN 55032:2015/EN55035:2017/60950-1
Others	MTBF	≥327.9K hrs MIL-HDBK-217F(25℃)
	Size	L182*W30*H20mm
	Packing	0.22KG
Note	1. All parameters NOT specially mentioned are measured at 230VAC input,rated load and 25℃ of ambient temperature. 2. Ripple&noise are measured at 20MHz of bandwidth by using a 12 "twisted pair -wire terminated with a 0.1uf and 47uf parallel capacitors. 3. Tolerance:includes set up tolerance,line regulation and load regulation. 4. Derating output is required under low input voltage. Please refer to the derating curve for details. 5. The power supply should be considered as a part of the components in the system. All EMC tests will test the test samples on a metal iron plate with a thickness of 1mm, a length of 360mm * width of 360mm.

{"json":"[{\"photoId\":\"374959734\",\"photoType\":\"pdf\",\"photoSize\":\"1022\",\"name\":\"SMV-20 SPEC.pdf\",\"fileId\":\"8064134\",\"encodeFileId\":\"dCUAKnfQOgiE\",\"photoUrlNormal\":\"//rjrorwxhikmrlm5p-static.micyjz.com/static/assets/widget/images/downloadNew/pdf.svg\"}]","type":"1"}