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Owner's Manual for MEAN WELL models including: LRS-50 Series 50W Single Output Switching Power Supply, LRS-50 Series, 50W Single Output Switching Power Supply, Output Switching Power Supply, Switching Power Supply, Power Supply

LRS-50 Series

LRS-50-5 Mean Well Enclosed Switching Power Supply 50W - Qmax


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LRS-50 
50W Single Output Switching Power Supply

LRS-50 series
User's Manual

 

IS 13252(Part 1):2010/ IEC 60950-1:2005

THOMAS SAMUEL

THOMAS SAMUEL

R-41179035

AS/NZS60950-1 GB4943.1

UL62368-1

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

TP TC004 IEC62368-1

 



































    




 
                                                                                                                                                                                                          

      
  

File Name:LRS-50-SPEC 2021-09-17

50W Single Output Switching Power Supply

LRS-50 series

SPECIFICATION
MODEL

LRS-50-3.3 LRS-50-5

LRS-50-12 LRS-50-15 LRS-50-24 LRS-50-36 LRS-50-48

OUTPUT

DC VOLTAGE

3.3V

5V

12V

15V

RATED CURRENT

10A

10A

4.2A

3.4A

CURRENT RANGE

0 ~ 10A

0 ~ 10A

0 ~ 4.2A

0 ~ 3.4A

RATED POWER

33W

50W

50.4W

51W

RIPPLE & NOISE (max.) Note.2 80mVp-p

80mVp-p

120mVp-p 120mVp-p

VOLTAGE ADJ. RANGE 2.97 ~ 3.6V VOLTAGE TOLERANCE Note.3 ±3.0%

4.5 ~ 5.5V ±2.0%

10.2 ~ 13.8V 13.5 ~ 18V

±1.0%

±1.0%

LINE REGULATION Note.4 ±0.5%

±0.5%

±0.5%

±0.5%

LOAD REGULATION Note.5 ±2.0%

±1.0%

±0.5%

±0.5%

SETUP, RISE TIME

1000ms, 30ms/230VAC 2000ms,30ms/115VAC at full load

HOLD UP TIME (Typ.) 30ms/230VAC 12ms/115VAC at full load

24V 2.2A 0 ~ 2.2A 52.8W 150mVp-p 21.6 ~ 28.8V ±1.0% ±0.5% ±0.5%

36V 1.45A 0 ~ 1.45A 52.2W 200mVp-p 32.4 ~ 39.6V ±1.0% ±0.5% ±0.5%

48V 1.1A 0 ~ 1.1A 52.8W 200mVp-p 43.2 ~ 52.8V ±1.0% ±0.5% ±0.5%

VOLTAGE RANGE

85 ~ 264VAC 120 ~ 373VDC

FREQUENCY RANGE 47 ~ 63Hz

EFFICIENCY (Typ.)

80%

83%

86%

88%

88%

89%

90%

INPUT

AC CURRENT (Typ.)

0.95A/115VAC 0.56A/230VAC

INRUSH CURRENT (Typ.) COLD START 45A/230VAC

LEAKAGE CURRENT

<0.75mA / 240VAC

OVER LOAD PROTECTION
OVER VOLTAGE

110 ~ 150% rated output power

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

3.8 ~ 4.45V 5.9~ 7.3V

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

55.2 ~ 64.8V

WORKING TEMP.

-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

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,CCC GB4943.1, BSMI CNS14336-1, EAC TP TC 004, AS/NZS 60950.1(by CB),KC K60950-1(for LRS-50-12/24 only), BIS IS13252(Part1): 2010/IEC 60950-1: 2005 approved

SAFETY & WITHSTAND VOLTAGE

EMC

ISOLATION RESISTANCE

(Note 9)

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, GB/T 9254, BSMI CNS13438, EAC TP TC 020,KC KN32,KN35(for LRS-50-12/24 only)

EMC IMMUNITY MTBF

Compliance to BS EN/EN61000-4-2,3,4,5,6,8,11, BS EN/EN61000-6-2 (BS EN/EN50082-2), heavy industry level, criteria A, EAC TP TC 020,KC KN32,KN35(for LRS-50-12/24 only)
645K hrs min. MIL-HDBK-217F (25)

OTHERS DIMENSION

99*82*30mm (L*W*H)



PACKING

0.23Kg; 60pcs/14.8Kg/0.88CUFT

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File Name:LRS-50-SPEC 2021-09-17

50W Single Output Switching Power Supply

LRS-50 series

Block Diagram

I/P

EMI FILTER

FG

RECTIFIERS &
FILTER
O.L.P.

POWER SWITCHING
O.V.P.
CONTROL

RECTIFIERS &
FILTER
DETECTION CIRCUIT

fosc : 115Vac : 75KHz 230Vac :110KHz
+V -V

Derating Curve

Static Characteristics

230VAC 100
75 100VAC
60 Input only
40
20

100VAC for 5V

-30 -25 0

10 20

30

40

50

60

AMBIENT TEMPERATURE ()

70 (HORIZONTAL)

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 (%)

File Name:LRS-50-SPEC 2021-09-17

50W Single Output Switching Power Supply

Mechanical Specification

4.5

92.5

9.5

3.5 1

2 3

2-M3 L=3.0

4

5

8

82

70

LRS-50 series
Case No.239A Unit:mm

40.5

3.5

6.5

20.5

55

99

6.5

90

10

74

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

26 15

2-M3 L=5 3.5

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

File Name:LRS-50-SPEC 2021-09-17

References

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