LRS-350 Series 350W Single Output Switching Power Supply
“
Specifications:
| MODEL | DC VOLTAGE | RATED CURRENT | CURRENT RANGE | RATED POWER | RIPPLE & NOISE (max.) | OUTPUT VOLTAGE RANGE | SETUP, RISE TIME | HOLD UP TIME (Typ.) | VOLTAGE RANGE | FREQUENCY RANGE | EFFICIENCY (Typ.) | AC CURRENT (Typ.) | INRUSH CURRENT (Typ.) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| LRS-350-3.3 | 3.3V | 60A | 0 ~ 60A | 198W | 150mVp-p | 10.2 ~ 13.8V | 1500ms, 50ms/230VAC | 16ms/230VAC | 90 ~ 132VAC / 180 ~ 264VAC by switch 240 ~ 370VDC (switch on 230VAC) |
47 ~ 63Hz | 79.5% | 6.8A/115VAC 3.4A/230VAC | 60A/115VAC 60A/230VAC |
Product Usage Instructions:
1. Installation:
– Ensure the power supply is disconnected from the power source
before installation. – Mount the power supply securely in a
well-ventilated area following the manufacturer’s guidelines. –
Connect the input and output cables carefully according to the
specified voltage and current requirements.
2. Powering On:
– Confirm that all connections are secure. – Switch on the power
supply using the designated power switch. – Monitor the LED
indicators to ensure proper functioning.
3. Troubleshooting:
– In case of any issues, refer to the user manual for
troubleshooting steps. – Contact customer support if problems
persist.
FAQ:
Q: What should I do if the power supply overheats?
A: If the power supply overheats, immediately disconnect it from
the power source and allow it to cool down before attempting to use
it again.
Q: Can I use this power supply for outdoor applications?
A: This power supply is designed for indoor use only and should
not be exposed to outdoor elements or moisture.
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350W Single Output Switching Power Supply
LRS-350 series
User’s Manual
IS 13252
THOMAS SAMUEL
THOMAS SAMUEL
(Note 11)
EN61558-1 EN61558-2-16
Note 10
TP TC004
IEC62368-1 IEC61558-1 IEC61558-2-16
UL62368-1
(Note.9)
O altitude up to 5000 meters (Note.8)
Downloaded from Arrow.com.
File Name:LRS-350-SPEC 2025-04-07
350W Single Output Switching Power Supply
LRS-350 series
SPECIFICATION
MODEL
LRS-350-3.3 LRS-350-4.2 LRS-350-5 LRS-350-12 LRS-350-15 LRS-350-24 LRS-350-36 LRS-350-48
DC VOLTAGE
3.3V
4.2V
5V
12V
15V
24V
36V
48V
RATED CURRENT CURRENT RANGE
60A 0 ~ 60A
60A 0 ~ 60A
60A 0 ~ 60A
29A 0 ~ 29A
23.2A 0 ~ 23.2A
14.6A 0 ~ 14.6A
9.7A 0 ~ 9.7A
7.3A 0 ~ 7.3A
RATED POWER
198W
RIPPLE & NOISE (max.) Note.2 150mVp-p
252W 150mVp-p
300W 150mVp-p
348W 150mVp-p
348W 150mVp-p
350.4W 150mVp-p
349.2W 200mVp-p
350.4W 200mVp-p
OUTPUT
VOLTAGE ADJ. RANGE 2.97 ~ 3.6V VOLTAGE TOLERANCE Note.3 ±4.0% LINE REGULATION Note.4 ±0.5% LOAD REGULATION Note.5 ±2.5%
3.6 ~ 4.4V ±4.0% ±0.5% ±2.5%
4.5 ~ 5.5V ±3.0% ±0.5% ±2.0%
10.2 ~ 13.8V 13.5 ~ 18V
±1.5%
±1.0%
±0.5%
±0.5%
±1.0%
±0.5%
21.6 ~ 28.8V 32.4 ~ 39.6V 43.2 ~ 52.8V
±1.0%
±1.0%
±1.0%
±0.5%
±0.5%
±0.5%
±0.5%
±0.5% ±0.5%
SETUP, RISE TIME
1500ms, 50ms/230VAC 1500ms,50ms/115VAC at full load
HOLD UP TIME (Typ.) 16ms/230VAC 12ms/115VAC at full load
VOLTAGE RANGE
90 ~ 132VAC / 180 ~ 264VAC by switch 240 ~ 370VDC (switch on 230VAC)
FREQUENCY RANGE 47 ~ 63Hz
EFFICIENCY (Typ.)
79.5%
81.5%
83.5%
85%
86%
INPUT
AC CURRENT (Typ.)
6.8A/115VAC 3.4A/230VAC
INRUSH CURRENT (Typ.) 60A/115VAC 60A/230VAC
88%
88.5%
89%
LEAKAGE CURRENT
<2mA / 240VAC
110 ~ 140% rated output power
OVER LOAD
3.3~36V Hiccup mode, recovers automatically after fault condition is removed. 48V Shut down and latch off o/p voltage, re-power on to recover.
PROTECTION OVER VOLTAGE
3.8 ~ 4.45V 4.6 ~ 5.4V 5.75 ~ 6.75V 13.8 ~ 16.2V 18 ~ 21V 28.8 ~ 33.6V 41.4 ~ 46.8V 55.2 ~ 64.8V
3.3~36V Hiccup mode, recovers automatically after fault condition is removed. 48V Shut down and latch off o/p voltage, re-power on to recover.
OVER TEMPERATURE
3.3~36V Hiccup mode, recovers automatically after fault condition is removed. 48V Shut down and latch off o/p voltage, re-power on to recover.
FUNCTION
FAN ON/OFF CONTROL (Typ.)
RTH350 FAN ON, 40 FAN OFF
WORKING TEMP.
-25 ~ +70 (Refer to “Derating Curve”)
WORKING HUMIDITY
20 ~ 90% RH non-condensing
ENVIRONMENT STORAGE TEMP., HUMIDITY -40 ~ +85, 10 ~ 95% RH
TEMP. COEFFICIENT
±0.03%/ (0 ~ 50)
VIBRATION
10 ~ 500Hz, 5G 10min./1cycle, 60min. each along X, Y, Z axes
OVER VOLTAGE CATEGORY : According to EN61558, EN50178, EN60664-1, EN62477-1; altitude up to 2000 meters
SAFETY STANDARDS
IEC/UL 62368-1,BSMI CNS15598-1,EAC TP TC 004,KC62368-1(for LRS-350-12/24 only),GB 4943.1, BIS IS13252(Part1): 2010/IEC 60950-1: 2005(NOTE 11),BS EN/EN61558-1, BS EN61558-2-16 Designed by AS/NZS 61558.1/2.16, AS/NZS 62368.1,BS EN/EN62368-1,
WITHSTAND VOLTAGE I/P-O/P:3.75KVAC I/P-FG:2KVAC O/P-FG:0.5KVAC
SAFETY ISOLATION RESISTANCE I/P-O/P, I/P-FG, O/P-FG:100M Ohms/500VDC / 25/ 70% RH
EMC EMISSION
Compliance to BSMI CNS15936, EAC TP TC 020,KSC9832,KSC9835(for LRS-350-12/24 only)
EMC IMMUNITY
Compliance to BS EN/EN55035, EAC TP TC 020,KSC9832,KSC9835(for LRS-350-12/24 only)
MTBF
2099.9K hrs min. Telcordia SR-332 (Bellcore) ; 328.6Khrs min. MIL-HDBK-217F (25)
OTHERS DIMENSION
215*115*30mm (L*W*H)
PACKING
0.76Kg; 15pcs/12.4Kg/0.67CUFT
NOTE
/ ().
11. Some model may not have the BIS logo, please contact your MEAN WELL sales for more information.
, https://www.meanwell.com/serviceDisclaimer.aspx
Downloaded from Arrow.com.
File Name:LRS-350-SPEC 2025-04-07
350W Single Output Switching Power Supply
LRS-350 series
Block Diagram
I/P
EMI FILTER
FG
Derating Curve
115/230V(SW)
RECTIFIERS
POWER SWITCHING
RECTIFIERS &
FILTER RECTIFIERS
& FILTER
FAN FAN ON/OFF CONTROL
O.L.P.
PWM CONTROL
O.T.P. O.V.P.
DETECTION CIRCUIT
Static Characteristics
fosc : 65KHz
+V -V
LOAD (%) LOAD (%)
100 80 60 40 20
-25 -20 -10 0 10 20 30 40 50 60 70 (HORIZONTAL)
AMBIENT TEMPERATURE ()
100
90
180 ~ 264VAC
80
90 ~ 132VAC
70
60
50 40
90
95 100 105 110 115 120 125 132
180 190 200 210 220 230 240 250 264
INPUT VOLTAGE (VAC) 60Hz
Downloaded from Arrow.com.
File Name:LRS-350-SPEC 2025-04-07
135
350W Single Output Switching Power Supply
Mechanical Specification
215
32.5
150
LRS-350 series
Case No.207A
Unit:mm Tolerance:±1
9.5
8
LED +V ADJ.
9 8 7 6 5 4 3 2 1
4-M4 L=3mm
15
32.5
150
2
12.8 6.9
6.5 6.5
36.7
50
115
47.45
32.5
16
12.5 30
Air flow direction 4-M4(Both Sides) L=5mm
Terminal Pin No. Assignment :
Pin No. Assignment Pin No.
1
AC/L
4~6
2
AC/N
7~9
3
FG
Assignment DC OUTPUT -V DC OUTPUT +V
Installation Manual
Please refer to : http://www.meanwell.com/manual.html
Downloaded from Arrow.com.
File Name:LRS-350-SPEC 2025-04-07
Documents / Resources
 |
MEANWELL LRS-350 Series 350W Single Output Switching Power Supply [pdf] Owner's Manual LRS-350-3.3, LRS-350-4.2, LRS-350-5, LRS-350-12, LRS-350-15, LRS-350-24, LRS-350-36, LRS-350-48, LRS-350 Series 350W Single Output Switching Power Supply, LRS-350 Series, 350W Single Output Switching Power Supply, Output Switching Power Supply, Switching Power Supply, Power Supply, Supply |