MEAN WELL LRS-75 Series Single Output Switching Power Supply Owner’s Manual

LRS-75 Series Single Output Switching Power Supply

Product Specifications

MODEL LRS-75-5 LRS-75-12 LRS-75-15 LRS-75-24 LRS-75-36 LRS-75-48
OUTPUT DC VOLTAGE 5V 12V 15V 24V 36V 48V
RATED CURRENT 14A 6A 5A 3.2A
CURRENT RANGE 0 ~ 14A 0 ~ 6A 0 ~ 5A 0 ~ 3.2A
RATED POWER 70W 72W 75W 76.8W
RIPPLE & NOISE (max.) Note.2 100mVp-p 120mVp-p 120mVp-p 150mVp-p

Product Usage Instructions

1. Installation

– Ensure the power supply is disconnected from the power source
before installation.

– Connect the output terminals of the power supply to your
device following the correct polarity.

2. Powering On

– Once properly installed, connect the power supply to the mains
power source.

3. Voltage Adjustment

– Use the appropriate tools to adjust the output voltage
according to your device’s requirements.

4. Safety Precautions

– Do not expose the power supply to water or moisture.

– Keep the power supply away from heat sources and direct
sunlight.

Frequently Asked Questions (FAQ)

Q: Can I use this power supply for outdoor applications?

A: No, this power supply is designed for indoor use only and
should not be exposed to outdoor elements.

Q: What is the maximum current rating for the LRS-75-24
model?

A: The LRS-75-24 model has a maximum current rating of 3.2A.

75W Single Output Switching Power Supply

LRS-75 series
User’s Manual

IS 13252

THOMAS SAMUEL

THOMAS SAMUEL

(NOTE 9)

AS/NZS62368-1 GB 4943.1

UL62368-1

Bauar t gepruft Sicherheit
egelma ge od o s be wac g
www. tuv.com ID 2000000000

TP TC004 IEC62368-1

Downloaded from Arrow.com.

File Name:LRS-75-SPEC 2025-04-07

75W Single Output Switching Power Supply

LRS-75 series

SPECIFICATION
MODEL

LRS-75-5

LRS-75-12

LRS-75-15

LRS-75-24

LRS-75-36

LRS-75-48

OUTPUT

DC VOLTAGE

5V

12V

15V

24V

RATED CURRENT

14A

6A

5A

3.2A

CURRENT RANGE

0 ~ 14A

0 ~ 6A

0 ~ 5A

0 ~ 3.2A

RATED POWER

70W

72W

75W

76.8W

RIPPLE & NOISE (max.) Note.2 100mVp-p

120mVp-p

120mVp-p

150mVp-p

VOLTAGE ADJ. RANGE 4.5 ~ 5.5V VOLTAGE TOLERANCE Note.3 ±2.0% LINE REGULATION Note.4 ±0.5%

10.2 ~ 13.8V ±1.0% ±0.5%

13.5 ~ 18V ±1.0% ±0.5%

21.6 ~ 28.8V ±1.0% ±0.5%

LOAD REGULATION Note.5 ±1.0%

±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

36V 2.1A 0 ~ 2.1A 75.6W 200mVp-p 32.4 ~ 39.6V ±1.0% ±0.5% ±0.5%

48V 1.6A 0 ~ 1.6A 76.8W 200mVp-p 43.2 ~ 52.8V ±1.0% ±0.5% ±0.5%

VOLTAGE RANGE

85 ~ 264VAC 120 ~ 373VDC

FREQUENCY RANGE 47 ~ 63Hz

INPUT

EFFICIENCY (Typ.) AC CURRENT (Typ.)

86.5% 1.4A/115VAC

89%

89%

0.85A/230VAC

90%

91.5%

INRUSH CURRENT (Typ.) COLD START 65A/230VAC

LEAKAGE CURRENT

<0.75mA / 240VAC

OVER LOAD PROTECTION
OVER VOLTAGE
WORKING TEMP.

110 ~ 150% rated output power

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

5.75 ~ 6.75V

13.8 ~ 16.2V

18.75 ~ 21.75V 28.8 ~ 33.6V

41.4 ~ 48.6V

Protection type : Shut down o/p voltage, re-power on to recover -30 ~ +70 (Refer to “Derating Curve”)

WORKING HUMIDITY

20 ~ 90% RH non-condensing

STORAGE TEMP., HUMIDITY -40 ~ +85, 10 ~ 95% RH non-condensing

ENVIRONMENT TEMP. COEFFICIENT

±0.03%/ (0 ~ 50)

VIBRATION

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

91.5% 55.2 ~ 64.8V

OVER VOLTAGE CATEGORY ; Compliance to BS EN/EN61558, BS EN/EN50178,BS EN/EN60664-1, BS EN/EN62477-1; altitude up to 2000 meters

SAFETY STANDARDS

UL62368-1, TUV BS EN/EN62368-1, BS EN/EN60335-1, BS EN/EN61558-1/-2-16,GB 4943.1, BSMI CNS15598-1, EAC TP TC 004,AS/NZS 62368.1(by CB),KC62368-1, BIS IS13252(Part1): 2010/IEC 60950-1: 2005(NOTE 9) approved

SAFETY & WITHSTAND VOLTAGE

EMC

ISOLATION RESISTANCE

(Note 8) EMC EMISSION

I/P-O/P:4KVAC I/P-FG:2KVAC O/P-FG:1.25KVAC
I/P-O/P, I/P-FG, O/P-FG:100M Ohms/500VDC / 25/ 70% RH Compliance to BS EN/EN55032 (CISPR32) Class B, BS EN/EN55014, BS EN/EN61000-3-2,-3, GB17625.1,GB/T 9254.1, BSMI CNS15936, EAC TP TC 020,KC KSC 9832, KSC 9835

EMC IMMUNITY

Compliance to BS EN/EN61000-4-2,3,4,5,6,8,11, BS EN/EN61000-6-2 (BS EN/EN50082-2), BS EN/EN55035, heavy industry level,EAC TP TC 020,KC KSC 9832, KSC 9835

MTBF

3334.3K hrs min. Telcordia SR-332 (Bellcore) ; 667.2Khrs min. MIL-HDBK-217F (25)

OTHERS DIMENSION

99*97*30mm (L*W*H)

PACKING

0.23Kg ; 45pcs/ 11.5Kg/ 0.77CUFT

NOTE

(as available on https://www.meanwell.com//Upload/PDF/EMI_statement_en.pdf)
9. Some model may not have the BIS logo, please contact your MEAN WELL sales for more information. , https://www.meanwell.com/serviceDisclaimer.aspx

File Name:LRS-75-SPEC 2025-04-07

Downloaded from Arrow.com.

75W Single Output Switching Power Supply

LRS-75 series

Block Diagram

I/P

EMI FILTER

FG

Derating Curve

RECTIFIERS &
FILTER
O.L.P.

POWER SWITCHING
CONTROL

RECTIFIERS &
FILTER
DETECTION CIRCUIT
O.V.P.

Static Characteristics

fosc : 65KHz
+V -V

100

Others

80

60

5V

40

20

-30

0

10 20 30 40 50 60

70 (HORIZONTAL)

AMBIENT TEMPERATURE ()

100 90 80 70 60 50 40
85 95 100 115 120 140 160 180 200 220 240 264
INPUT VOLTAGE (VAC) 60Hz

LOAD (%) LOAD (%)

Downloaded from Arrow.com.

File Name:LRS-75-SPEC 2025-04-07

75W Single Output Switching Power Supply

Mechanical Specification

4.5

92.5

9.5

3.5 1

2

3 4

2-M3 L=3.0

5

8

97

85

LRS-75 series
Case No.240A Unit:mm Tolerance:±1

45.5

3.5

6.5

2-M3 L=5 3.5

20.5

55

99

6.5

90

26 15

10

74

Installation Manual
Please refer to : http://www.meanwell.com/manual.html

3.5 14.5
30

Terminal Pin No. Assignment

Pin No. Assignment Pin No.

1

AC/L

4

2

AC/N

5

3

FG

Assignment DC OUTPUT -V DC OUTPUT +V

Downloaded from Arrow.com.

File Name:LRS-75-SPEC 2025-04-07

Documents / Resources

MEAN WELL LRS-75 Series Single Output Switching Power Supply [pdf] Owner's Manual
LRS-75-5, LRS-75-12, LRS-75-15, LRS-75-24, LRS-75-36, LRS-75 Series Single Output Switching Power Supply, Single Output Switching Power Supply, Output Switching Power Supply, Switching Power Supply, Power Supply

References

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