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

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  • SMV-20

  • SMUN

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.



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