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 |