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Mean Well LRS-50-48 Power Supply 50W 48V

Q: 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.

Q: 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.

Q: 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.

Q: 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.

most economical model, ultra compact and 1U low profile, withstand 5G vibration and 70°C operation

SKU:

LRS-50-48

Model

35W 48V

SKU: LRS-35-48

100W 48V

SKU: LRS-100-48

150W 48V

SKU: LRS-150-48

200W 48V

SKU: LRS-200-48

350W 48V

SKU: LRS-350-48

450W 48V

SKU: LRS-450-48

50W 48V

SKU: LRS-50-48

600W 48V

SKU: LRS-600-48

75W 48V

SKU: LRS-75-48

Product variants

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Description

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

Specifications

Brand

Mean Well
Series

LRS Series
Power Rating

52.8 Watt
Output Voltage

48 Volt
Rated Current

1.1 Ampere
Input Voltage

85V~264V
Standards Met

BSMI,CB,CCC,CE,EAC,RCM,TUV,UL
Operation Mode

Constant Voltage
Operating Temperature

-30°C~70°C
Warranty

3 Year
Length

9.9 cm
Width

8.2 cm
Height

3 cm
Weight

0.21 kg

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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.

Model	Power	Voltage	Current
Mean Well LRS-50-5 Power Supply 50W 5V	50W	5V	10A	View
Mean Well LRS-50-12 Power Supply 50W 12V	50.4W	12V	4.2A	View

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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

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