■Features ■Applications
350W Single Output Switching Power Supply LRS-350 series
AC input range selectable by switch
Withstand 300VAC surge input for 5 second
Protections: Short circuit / Overload / Over voltage /
Over temperature
Forced air cooling by built-in DC fan
Built-in cooling Fan ON-OFF control
1U low profile
Withstand 5G vibration test
LED indicator for power on
No load power consumption<0.75W
100% full load burn-in test
High operating temperature up to 70℃
High efficiency, long life and high reliability
3 years warranty
Industrial automation machinery
Industrial control system
Mechanical and electrical equipment
Electronic instruments, equipments or
apparatus
■Model Encoding
■Description
File Name:LRS-350-SPEC 2014-11-17
Output voltage
Output power
Series name
LRS -- 350 3.3
functions and 5G anti-vibration capability; it is complied with the international safety regulations such as
UL60950-1. LRS-350 series serves as a high price-to-performance power supply solution for various
industrial applications.
LRS-350 series is a 350W single-output enclosed type power supply with 30mm of low profile design. Adopting
the input of 115VAC or 230VAC (select by switch), the entire series provides an output voltage line of 3.3V,
4.2V, 5V, 12V, 15V, 24V, 36V and 48V.
In addition to the high efficiency up to 89%, with the built-in long life fan LRS-350 can work under -25~
+70 with full load. Delivering an extremely low no load power consumption (less than 0.75W), it allows ℃
the end system to easily meet the worldwide energy requirement. LRS-350 has the complete protection
SPECIFICATION
350W Single Output Switching Power Supply LRS-350 series
File Name:LRS-350-SPEC 2014-11-17
MODEL
DC VOLTAGE
RATED CURRENT
CURRENT RANGE
RATED POWER
OUTPUT VOLTAGE ADJ. RANGE
LINE REGULATION
Note.4
LOAD REGULATION
Note.5
SETUP, RISE TIME
HOLD UP TIME (Typ.)
VOLTAGE RANGE
FREQUENCY RANGE
EFFICIENCY (Typ.)
INPUT
INRUSH CURRENT (Typ.)
LEAKAGE CURRENT
SAFETY WITHSTAND VOLTAGE
ISOLATION RESISTANCE
WORKING TEMP.
WORKING HUMIDITY
STORAGE TEMP., HUMIDITY
TEMP. COEFFICIENT
VIBRATION
MTBF
DIMENSIONOTHERS
NOTE
PACKING
OVER LOAD
OVER VOLTAGE
AC CURRENT (Typ.)
1300ms, 50ms/230VAC 1300ms,50ms/115VAC at full load
16ms/230VAC 12ms/115VAC at full load
90 ~ 132VAC / 180 ~ 264VAC by switch 240 ~ 370VDC (switch on 230VAC)
47 ~ 63Hz
79.5% 85% 86% 88% 89%
6.8A/115VAC 3.4A/230VAC
60A/115VAC 60A/230VAC
<2mA / 240VAC
110 ~ 140% rated output power
I/P-O/P:3KVAC I/P-FG:2KVAC O/P-FG:0.5KVAC
I/P-O/P, I/P-FG, O/P-FG:100M Ohms/500VDC / 25 / 70% RH℃
-25 ~ +70℃(Refer to "Derating Curve")
20 ~ 90% RH non-condensing
RTH3 50 FAN ON, 40 FAN OFF≧℃ ≦℃
-40 ~ +85 , 10 ~ 95% RH℃
±℃ ℃0.03%/ (0 ~ 50 )
10 ~ 500Hz, 5G 10min./1cycle, 60min. each along X, Y, Z axes
327.9K hrs min. MIL-HDBK-217F (25 )℃
215*115*30mm (L*W*H)
0.76Kg; 15pcs/12.4Kg/0.78CUFT
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 150% peak load capability is built in for up to 1 second for 12~48V.LRS-350 will enter hiccup mode if the peak load is delivered
for over 1 second and will recover once it resumes to the rated current level(115VAC/230VAC).
3.3V 12V 15V 24V 48V
60A 29A 23.2A 14.6A 7.3A
0 ~ 60A 0 ~ 29A 0 ~ 23.2A 0 ~ 14.6A 0 ~ 7.3A
198W 348W 348W 350.4W 350.4W
150mVp-p 150mVp-p 150mVp-p 150mVp-p 200mVp-p
2.97 ~ 3.6V 10.2 ~ 13.8V 13.5 ~ 18V 21.6 ~ 28.8V 43.2 ~ 52.8V
±1.5% ±1.0% ±1.0% ±1.0%
±0.5% ±0.5% ±0.5% ±0.5% ±0.5%
±2.5% ±1.0% ±0.5% ±0.5% ±0.5%
RIPPLE & NOISE (max.)
Note.2
VOLTAGE TOLERANCE Note.3
PROTECTION
ENVIRONMENT
LRS-350-12
LRS-350-15
LRS-350-24
LRS-350-48
FAN ON/OFF CONTROL
(Typ.)
FUNCTION
Protection type : Hiccup mode, recovers automatically after fault condition is removed
LRS-350-3.3
LRS-350-36
88.5%
36V
9.7A
0 ~ 9.7A
349.2W
200mVp-p
32.4 ~ 39.6V
±1.0%
±0.5%
±0.5%
5V
60A
0 ~ 60A
300W
150mVp-p
4.5 ~ 5.5V
±3.0%
±0.5%
±2.0%
LRS-350-5
83.5%
SAFETY STANDARDS UL60950-1 approved
OVER TEMPERATURE Hiccup mode, recovers automatically after fault condition is removed
Protection type : Hiccup mode, recovers automatically after fault condition is removed
3.8 ~ 4.45V 5.75 ~ 6.75V 13.8 ~ 16.2V 18 ~ 21V 28.8 ~ 33.6V 41.4 ~ 46.8V 55.2 ~ 64.8V
±4.0%
4.2V
60A
0 ~ 60A
252W
150mVp-p
3.6 ~ 4.4V
±4.0%
±0.5%
±2.5%
LRS-350-4.2
81.5%
4.6 ~ 5.4V
O.L.P.
O.V.P.
O.T.P.
350W Single Output Switching Power Supply LRS-350 series
File Name:LRS-350-SPEC 2014-11-17
Derating Curve Static Characteristics
AMBIENT TEMPERATURE ( )℃
LOAD (%)
20
40
60
80
100
-25 70 (HORIZONTAL)
I/P
FG
EMI
RECTIFIERS
PWM
CONTROL
RECTIFIERS
&
FILTER
+V
-V
POWER
DETECTION
SWITCHING
CIRCUIT
FILTER
fosc : 65KHz
115/230V(SW)
Block Diagram
RECTIFIERS
&
FILTER
FAN
FAN ON/OFF CONTROL
-10 10 30 50-20 020 40 60
LOAD (%)
90 95 100 105 110 115 120 125 132
180 190 200 210 220 230 240 250 264
90
100
80
70
60
50
40
180 ~ 264VAC
90 ~ 132VAC
INPUT VOLTAGE (VAC) 60Hz
Mechanical SpecificationMechanical Specification Case No.207A Unit:mm
Terminal Pin No. Assignment :
Pin No. Pin No.
1 4~6
3
2 7~9
Assignment Assignment
AC/L DC OUTPUT -V
FG
AC/N DC OUTPUT +V
Installation Manual
Please refer to : http://www.meanwell.com/webnet/search/InstallationSearch.html
350W Single Output Switching Power Supply LRS-350 series
File Name:LRS-350-SPEC 2014-11-17
115
50
47.45
133
9.5
8
36.7
32.5
12.5
30
+V
ADJ.
LED
1
2
3
4
5
6
7
8
9
4-M4(Both Sides) L=5mm
150
32.5 150
215
15
4-M4 L=5mm
16
6.9
12.8
6.56.5
direction
Air flow
32.5
2
