Factory wholesale Led Ceiling Light - 75W Single Output Switching Power Supply LRS-75 – Euchips

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Factory wholesale Led Ceiling Light - 75W Single Output Switching Power Supply LRS-75 – Euchips Detail:

75W Single Output Switching Power Supply LRS-75


LRS-75 series is a 75W single-output enclosed type power supply with 30mm of low profile design. Adopting the full range 85~264VAC input, the entire series provides an output voltage line of 5V, 12V, 15V, 24V, 36V and 48V.
In addition to the high efficiency up to 90%, the design of metallic mesh case enhances the heat dissipation of LRS-75 that the whole series operates from -30⊥ through 70⊥ under air convection without a fan.?Delivering an extremely low no load power consumption (less than 0.3W), it allows the end system to easily meet the worldwide energy requirement. LRS-100?has the complete protection functions and 5G anti-vibration capability; it is complied with the international safety regulations such as TUV EN60335-1,EN61558-1/-2-16, UL60950-1 and GB4943. LRS-100?series serves as a high price-to-performance power supply solution for various industrial applications.


01. Universal ?AC input / Full?range
02. Withstand ?300VAC surge ?input for 5 second
03. No load power ?consumption<0.2W
04. Miniature ?size and 1U low ?profile
05. High operating ?temperature ?up to 70⊥
06. Protections: Short circuit / Overload / Over voltage
07. Cooling by free air convection
08. Compliance to IEC/EN 60335-1(PD3) and IEC/EN61558-1, -2-16 for household appliances
09. Operating altitude up to 5000 meters (Note.8)
10. Withstand 5G vibration test
11. High efficiency, long life and high reliability
12. LED indicator for power on
13. 100% full load burn-in test
14. 3 years warranty

Technical Parameter

Product Name

75W Single Output Switching Power Supply LRS-75



LRS-75-12 LRS-75-15 LRS-75-24





Related Current


6A 5A 3.2A

Current Range


0~6A 0 ~5A 0 ~ 3.2A

Reted Power


72W 75W 76.8W

Ripple & Noise(Max.) Note.2


120mVp-p 120mVp-p 150mVp-p

Voltage ADJ. Range

4.5 ~ 5.5V

10.2 ~ 13.8V 13.5 ~ 18V 21.6 ~ 28.8V

Voltage Tolerange Note.3


㊣1.0% ㊣1.0% ㊣1.0%

Line Regulation Note. 4


㊣0.5% ㊣0.5% ㊣0.5%

Load Regulation Note. 5


㊣0.5% ㊣0.5% ㊣0.5%

Setup, Rise Time

500ms, 30ms/230VAC 500ms,30ms/115VAC at full load

Hold Up Time(Typ.)

60ms/230VAC 12ms/115VAC at full load


Voltage Range

85 ~ 264VAC 120 ~ 373VDC

Frequency Range

47 ~ 63Hz



89% 89% 90%

AC Current(Typ.)

1.4A/115VAC 0.85A/230VAC

Inrush Current


Leakage Current

<0.75mA / 240VAC


Over Load

110 ~ 150% rated output power

Protection type : Hiccup mode, recovers automatically after fault condition is removed

Over Voltage

3.8 ~ 4.45V

5.75 ~ 6.75V 13.8 ~ 16.2V 18.75 ~ 21.75V

Protection type : Shut down o/p voltage, re-power on to recover


Working Temperature

-30 ~ +70⊥(Refer to “Derating Curve”)

Working Humidity

20 ~ 90% RH non-condensing

Storage Temperature Humidity

-40 ~ +85⊥, 10 ~ 95% RH

Temperature Coefficiency

㊣0.03%/⊥(0 ~ 50⊥)


10 ~ 500Hz, 5G 10min./1cycle, 60min. each along X, Y, Z axes

Safety & EMC

(Note. 9)

Safety Stand Ards

UL60950-1, TUV EN60950-1, EN60335-1, EN61558-1/-2-16,CCC GB4943 approved

Withstand Voltage



I/P-O/P, I/P-FG, O/P-FG:100M Ohms / 500VDC / 25⊥/ 70% RH

EMC Emission

Compliance to EN55022 (CISPR22), GB9254 Class B, EN55014, EN61000-3-2,-3

EMC Immunity

Compliance to EN61000-4-2,3,4,5,6,8,11, EN61000-6-2 (EN50082-2), heavy industry level, criteria A



720.6K hrs min. MIL-HDBK-217F (25⊥)


129*97*30mm (L*W*H)


0.34Kg ; 40pcs/14.6Kg/0.92CUFT


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 & 47uf parallel capacitor.

3. Tolerance : includes set up tolerance, line regulation and load regulation.

4. Line regulation is measured from low line to high line at rated load.

5. Load regulation is measured from 0% to 100% rated load.

6. Length of set up time is measured at cold first start. Turning ON/OFF the power supply very quickly may lead to increase of the set up time.

7. The ambient temperature derating of 5 /1000m is needed for operating altitude greater than 2000m(6500ft).

8. The power supply is considered a component which will be installed into a final equipment. The final equipment must be re-confirmed that it still meets EMC directives. ?For guidance on how to perform these EMC tests, please refer to ?EMI testing of component power supplies.

Product detail pictures:

Factory wholesale Led Ceiling Light - 75W Single Output Switching Power Supply LRS-75 – Euchips detail pictures

Factory wholesale Led Ceiling Light - 75W Single Output Switching Power Supply LRS-75 – Euchips detail pictures

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