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Mean Well LRS-50-48 Power Supply 50W 48V
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Mean Well LRS-50-48 Power Supply 50W 48V
No load power consumption <0.2W for 35W/50W; <0.3W for 75W/100WUniversal AC input / Full rangeWithstand 300VAC surge input for 5 secondsUltra compact and 1U low profileWithstand 5G vibration testHigh operating temperature up to 70oCProtections: Short circuit / Overload / Over voltageCooling by free air convectionCompliance to IEC/EN60335-1(PD3) and IEC/EN61558-1,-2-16 for household appliancesOperating altitude up to 5000 metersHigh efficiency, long life and high reliabilityLED indicator for power onLow cost3 years warranty
Key Features
- ✓85~264VAC; 120~370VDC
- ✓Cold start, 45A at 230VAC
- ✓±10% by potentiometer
- ✓110%~150%
- ✓Type Hiccup mode, auto-recovery
- ✓115%~135% rated output voltage
- ✓Shut down o/p voltage, re-power on to recover
- ✓3.75kVAC, I/P-FG: 2kVAC, O/P-FG: 1.25kVAC, 1 minute
- ✓-30~+70°C (refer to output derating curve)
- ✓UL60950-1, IEC/EN60950-1, IEC/EN61558-1, EN61558-2-16, IEC/EN60335-1, CCC GB4943 approved
- ✓EN55022 class B, EN55014, EN61000-3-2, 3, EN61000-4,2,3,4,5,6,8,11, GB9254
- ✓5P/9.5mm pitch terminal block
- ✓99x 82x 30
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BrandMean Well
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SeriesLRS Series
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Power Rating52.8 Watt
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Output Voltage48 Volt
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Rated Current1.1 Ampere
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Input Voltage85V~264V
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No of Output1
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Standards MetBSMI,CB,CCC,CE,EAC,RCM,TUV,UL
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Operation ModeConstant Voltage
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Operating Temperature-30°C~70°C
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Warranty3 Year
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Length3.9 in
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Width3.23 in
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Height1.18 in
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Weight0.46 lb
::specification::
Frequently Asked Questions
What 48V low-power loads can the LRS-50-48 drive?
The LRS-50-48 delivers 48V at 1.1A (52.8W), appropriate for powering single 48V PoE injectors, 48V relay control circuits, compact 48V DC–DC converter inputs, and low-power 48V bus distribution in small telecom or industrial panels.
How does the LRS-50-48 compare to the LRS-75-48 and LRS-100-48?
All three share similar case widths and accept 85–264VAC. The LRS-50-48 (99 × 82 × 30 mm, 0.21 kg) delivers 52.8W at 1.1A. The LRS-75-48 (99 × 97 × 30 mm, 0.23 kg) delivers 76.8W at 1.6A. The LRS-100-48 delivers 110.4W at 2.3A. Select based on the total 48V load current required.
What is the minimum operating temperature of the LRS-50-48?
The LRS-50-48 operates as low as -30°C, making it suitable for cold-environment applications within a protective enclosure. The upper limit is +70°C, and the unit also withstands 5G vibration for applications in mechanically active environments.
Does the 1.1A output current of the LRS-50-48 limit its use cases compared to lower-voltage LRS-50 models?
At 48V, Ohm's law limits current to 1.1A for the same ~52.8W output as other LRS-50 models. This makes the LRS-50-48 less suited for high-current 48V applications such as large motor drives, but appropriate for low-current 48V bus feeds, single PoE ports, or 48V control signal supplies.
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Other LRS-50 Models
4 other models| Model | Power | Voltage | Current | IP Rating | Price | |
|---|---|---|---|---|---|---|
| Mean Well LRS-50-15 Power Supply 50W 15V | 51W | 15V | 3.4A | Indoor | $13.59 | View |
| Mean Well LRS-50-5 Power Supply 50W 5V | 50W | 5V | 10A | Indoor | $13.48 | View |
| Mean Well LRS-50-24 Power Supply 50W 24V | 52.8W | 24V | 2.2A | Indoor | $13.00 | View |
| Mean Well LRS-50-12 Power Supply 50W 12V | 50.4W | 12V | 4.2A | Indoor | $13.59 | View |
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