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Mean Well LRS-450-48 Power Supply 450W 48V 9.4A

4.7 (17 reviews)

most economical modelultra compact and 1U low profilewithstand 5G vibration and 70°C operation

SKU:

LRS-450-48

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Select model — 9 in this family

LRS-450-48

LRS-35-48 35W 48V Backorder

LRS-100-48 100W 48V Backorder

LRS-150-48 150W 48V Backorder

LRS-200-48 200W 48V Backorder

LRS-350-48 350W 48V Backorder

LRS-450-48 450W 48V Backorder

LRS-50-48 50W 48V Backorder

LRS-600-48 600W 48V Backorder

LRS-75-48 75W 48V Backorder

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Brand MEANWELL

AC input voltage range: 90 ~ 132VAC

Rated power: 450W

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℃

Operating altitude up to 5000 meters (Note.8)

High efficiency, long life and high reliability

3 years warranty

Key Features

✓180 / 264VAC by switch
✓Cold start, 60A at 230VAC
✓±10% by potentiometer
✓105%~150%
✓Constant current limiting, unit will shutdown after 3 sec, re-power on to recover
✓55.2 ~ 64.8V
✓Shut down o/p voltage, re-power on to recover
✓I/P-O/P:3KVAC I/P-FG:2KVAC O/P-FG:0.5KVAC
✓-20 ~ +70℃ (Refer to "Derating Curve")
✓BS IEC/UL 62368-1, EAC TP TC 004, AS/NZS62368.1 approved
✓225*124*35mm (L*W*H)

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Model	Power	Voltage	Current
Mean Well LRS-450-12 Power Supply 450W 12V 37.5A	450W	12V	37.5A	View
Mean Well LRS-450-24 Power Supply 450W 24V 18.8A	451.2W	24V	18.8A	View

Customer reviews

4.7 Reviews verified for authenticity

5 ★ (13)

4 ★ (3)

3 ★ (1)

2 ★ (0)

1 ★ (0)

Reviewed by 17 customers across the LRS series

Cheap and reliable enclosed PSU
By Ravi N.|2026-06-14✓ Verified Buyer
Model: LRS-50-24Quantity: 10
LRS-50-24 powers our sensor rack. Great price, no fuss.
Good budget option
By Kelly B.|2026-05-20✓ Verified Buyer
Model: LRS-100-24Quantity: 4
Runs a bit warm in a sealed box — add airflow. Otherwise solid.
Standardised on these
By FitOut Ltd|2026-04-25
Model: LRS-350-24Quantity: 25
Use LRS across all our retail fit-outs now.

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Key Features

✓180 / 264VAC by switch

✓Cold start, 60A at 230VAC

✓±10% by potentiometer

✓105%~150%

✓Constant current limiting, unit will shutdown after 3 sec, re-power on to recover

✓55.2 ~ 64.8V

✓Shut down o/p voltage, re-power on to recover

✓I/P-O/P:3KVAC I/P-FG:2KVAC O/P-FG:0.5KVAC

✓-20 ~ +70℃ (Refer to "Derating Curve")

✓BS IEC/UL 62368-1, EAC TP TC 004, AS/NZS62368.1 approved

✓225*124*35mm (L*W*H)

Mean Well LRS-450-48 Power Supply 450W 48V 9.4A

Select model — 9 in this family

Key Features

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Customer reviews

Cheap and reliable enclosed PSU

Good budget option

Standardised on these

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Mean Well LRS-450-48 Power Supply 450W 48V 9.4A

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