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LRS-150 150W Single Output Switching Power Supply
LRS-150 is a 150W-class single-output switching power supply designed for regulated DC power applications. It provides selectable AC input ranges of 85–132VAC or 170–264VAC and supports 12V, 15V, 24V, 36V and 48V DC output options.
The LRS-150 uses free-air convection cooling and provides built-in short-circuit, overload, over-voltage and over-temperature protection. It is designed for reliable operation with a working temperature range of -30°C to +70°C.
Key Specification Line
150W Class | Selectable 85–132VAC / 170–264VAC | 12–48VDC | Free-Air Convection | -30°C to +70°C
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Product Detail
The LEYU LRS-150 is a 150W-class single-output switching power supply designed to convert AC input power into regulated DC output power.
Unlike the LRS-35, LRS-50, LRS-75 and LRS-100 models with universal full-range AC input, the LRS-150 uses a selectable AC input design. The input range can be selected between:
85–132VAC
or
170–264VAC
The series provides five DC output voltage options:
12V / 15V / 24V / 36V / 48V
Depending on the selected output model, rated output power ranges from 150W to 158.4W.
The LRS-150 uses free-air convection cooling and incorporates short-circuit, overload, over-voltage and over-temperature protection.
Key FeaturesLRS-150 Key Features
1. Selectable AC Input Range
The LRS-150 provides two selectable AC input ranges:
85–132VAC
and
170–264VAC
The input range is selected through the built-in input switch.
2. Multiple DC Output Options
The LRS-150 series provides five output voltage options:
12V / 15V / 24V / 36V / 48V DC
3. 150W-Class Output Power
Depending on the model, the rated output power ranges from 150W to 158.4W.
4. Free-Air Convection Cooling
The LRS-150 uses free-air convection cooling, without a built-in cooling fan.
5. Built-In Protection
The LRS-150 provides:
- Short-circuit protection
- Overload protection
- Over-voltage protection
- Over-temperature protection
6. 300VAC Surge Input Capability
The power supply can withstand a 300VAC surge input for 5 seconds under the specified conditions.
7. LED Power Indicator
An LED indicator provides a visual indication of power operation.
8. 100% Full-Load Burn-In Test
The LRS-150 undergoes a 100% full-load burn-in test as part of its production testing.
9. Wide Operating Temperature
The specified operating temperature range is:
-30°C to +70°C
10. High Efficiency
The typical efficiency reaches up to 90%, depending on the output model.
11. Long Life and Reliability
The LRS-150 is designed for high efficiency, long service life and reliability, with a 2-year warranty.
Technical Specifications|
SPECIFICATION |
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OUTPUT |
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Model |
LRS-150-12 |
LRS-150-15 |
LRS-150-24 |
LRS-150-36 |
LRS-150-48 |
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DC Voltage |
12V |
15V |
24V |
36V |
48V |
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Rated Current |
12.5A |
10A |
6.5A |
4.3A |
3.3A |
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Current Range |
0~12.5A |
0~10A |
0~6.5A |
0~4.3A |
0~3.3A |
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Rated Power |
150W |
150W |
156W |
154.8W |
158.4W |
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Ripple&Noise |
150mVp-p |
150mVp-p |
200mVp-p |
200mVp-p |
200mVp-p |
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VoltageAdj. Range |
10.2~ 13.8V |
13.5~18V |
21.6~28.8V |
32.4~39.6V |
43.2~52.8V |
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Voltage Tolerance |
±1.0% |
±1.0% |
±1.0% |
±1.0% |
±1.0% |
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Line Regulation |
±0.5% |
±0.5% |
±0.5% |
±0.5% |
±0.5% |
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Load Regulation |
±0.5% |
±0.5% |
±0.5% |
±0.5% |
±0.5% |
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Setup,Rise Time |
500ms, 30ms/230VAC 500ms, 30ms/115VAC at full load |
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Hold Up Time |
40ms/230VAC 35ms/115VAC at full load |
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INPUT |
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Voltage Range |
85 ~ 132VAC / 170 ~264VAC 240 ~ 370VDC(switch on 230VAC) |
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Frequency Range |
47 ~ 63Hz |
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Efficiency |
87.5% |
88.5% |
89% |
89% |
90% |
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AC Current |
2.8A/115VAC 1.6A/230VAC |
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Inrush Current |
Cold start 60A/230VAC |
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Leakage Current |
<0.75mA / 240VAC |
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PROTECTION |
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Over Load |
110 ~ 140% rated output power |
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Protection type: Hiccup mode, recovers automatically after fault condition is removed |
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Over Voltage |
13.8~16.2V |
18.75~21.75V |
28.8~33.6V |
41.4~48.6V |
55.2~64.8V |
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Protection type: shut down o/p voltage, re-power on to recover |
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ENVIRONMENT |
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Working Temp. |
-30 ~ +70℃ (Refer to “derating curve”) |
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Working Humidity |
20 ~ 90% RH non-condensing |
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StorageTemp., Humidity |
-40 ~ +85℃, 10 ~ 95% RH |
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Temp. Coefficient |
±0.03%/℃ (0 ~ 50℃) |
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Vibration |
10 ~ 500Hz, 5G 10min./1cycle, 60min. each along X, Y, Z axes |
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SAFETY &EMC |
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Safety Standards |
UL60950-1, TUV EN60950-1, EN60335-1/-2-16, CCC GB4943 approved |
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Withstand Voltage |
I/P-O/P:3.75KVAC I/P-FG:2KVAC O/P-FG:1.25KVAC |
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Isolation Resistance |
I/P-O/P, I/P-FG, O/P-FG:100M Ohms / 500VDC / 25℃ / 70% RH |
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EMC Emission |
Compliance to EN55022(CISPR22), GB9254 CLASS B, EN55014 EN61000-3-2,-3 class A, EN61000-3-3 |
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EMC Immunity |
Compliance to EN61000-4-2,3,4,5,6,8,11, EN61000-6-2(EN50082-2), heavy industry level, criteria A |
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OTHERS |
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Dimension |
159*97*30mm (L*W*H) |
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Weight |
0.48Kg |
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Packing |
30pcs/carton/15.4kg/0.75CUFT |
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NOTE |
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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. The power supply is considered a component which will be installed into a final equipment. The final equipment must be re-confirmed that it still meetsEMC directives. 7. 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. |
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The LRS-150 integrates multiple protection functions to help protect the power supply and connected equipment under abnormal operating conditions.
Short-Circuit Protection
The LRS-150 provides short-circuit protection as part of its protection system.
Overload Protection
The overload protection operates at:
110–140% of rated output power
Protection Type: Hiccup mode.
The power supply automatically recovers after the fault condition is removed.
Over-Voltage Protection
The over-voltage protection threshold varies according to the output model.
Protection Type: Output voltage shuts down; re-power on is required for recovery.
Over-Temperature Protection
The LRS-150 specification lists over-temperature protection as one of its built-in protection functions.
Surge Input Protection
The LRS-150 can withstand a 300VAC surge input for 5 seconds under the specified conditions.
Application Scenarios The LRS-150 series is suitable for the following equipment:Industrial control cabinets: Providing stable DC power for PLCs, relays, sensors, and touchscreens
LED lighting and displays: Suitable for LED strips, billboards, and indoor/outdoor displays
Security and surveillance systems: Providing centralized power for multiple cameras and NVRs
3D printers: Powering mainboards, stepper motor drivers, and heated beds
Communication equipment: Providing stable voltage for routers, switches, and base station equipment LRS-150 Frequently Asked Questions Q: What is the LRS-150?
A: The LRS-150 is a 150W-class single-output switching power supply with five DC output voltage options.
Q: What output voltages are available for the LRS-150?
A: The LRS-150 is available with:
12V / 15V / 24V / 36V / 48V DC
output options.
Q: Is the LRS-150 a 150W power supply?
A: The LRS-150 is a 150W-class series. Depending on the output model, the rated output power ranges from 150W to 158.4W.
For example:
LRS-150-12: 150W
LRS-150-15: 150W
LRS-150-24: 156W
LRS-150-36: 154.8W
LRS-150-48: 158.4W
Q: What protection functions does the LRS-150 provide?
A: The LRS-150 provides:
- Short-circuit protection
- Overload protection
- Over-voltage protection
- Over-temperature protection
110–140% of rated output power, and uses hiccup mode with automatic recovery after the fault condition is removed.
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