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MEAN WELL SE-450-3.3 enclosed power supply
Manufacturer MEAN WELL

SE-450-3.3

Availability: Out of stock
247.5 W3.3 V75 A90Vā€“264V in

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SE-450-3.3
Quantity Prices (USD)
Quantity
Unit Price (USD)
1+
$71.39 USD
10+
$67.82 USD
20+
$66.39 USD
50+
$64.96 USD
100+
$63.54 USD
200+
$62.11 USD
All prices are displayed in USD. *Import tariff is included in the listed price. You pay exactly what you seeā€”no surprise fees at checkout. Discounts are applied automatically based on the total quantity added to your cart.
Quick Specs
Input Voltage
90V~264V
Output Voltage
3.3V
Rated Current
75A
Power Rating
247.5W
Waterproof
Non-waterproof
Dimensions & Weight
8.85 x 4.88 x 1.96 in2.75 lbs

Datasheet (PDF)

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Features

AC input selectable by switch
Withstand 300VAC surge input for 5 seconds
Protections: Short circuit / Overload / Over voltage / Over temperature
100% full load burn-in test
LED indicator for power on
Built-in remote sense function
Forced air cooling by built-in DC fan
2 years warranty

General SpecificationĀ 

AC input voltage range 115/230VAC by switch
AC inrush current (max.) Cold start, 55A at 230VAC
DC adjustment range Ā±10% rated output voltage
Overload protection Range 105%~150%
Overload protection Type Shut down o/p voltage, re-power on to recover
Over voltage protection 115%~145%
Withstand voltage I/P - O/P: 3kVAC, I/P - FG: 1.5kVAC, O/P-FG: 0.5kVAC
Working temperature -10~+60Ā°C (refer to output derating curve)
Safety standards UL60950-1
EMC standards EN55022 class B, EN61000-3-2,3, EN61000-4-2,3,4,5,6,8,11,
Connection 9P/11mm pitch terminal block with cover
Dimension (LxWxH) 225x 124x 50
Case No. 986A
Packing 12pcs / 16kg

Similar Models

Same product family and output voltage, with the closest available power ratings.

Environmental Documents
šŸ“„ E6) COC-REACH (2026/01/28) šŸ“„ E9) CMRT (2025/04/25) šŸ“„ E14) COC-ROHS 2 (2015/863/EU) (2024/10/04) šŸ“„ REACH Certificate (PDF) (2020/12/03) šŸ“„ ROHS Certificate (PDF) (2020/05/29) šŸ“„ E12) COC-ROHS 2 (2011/65/EU) (2016/10/01)
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