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Mean Well SE-450-12 Power Supply 450W 12V

economical model medium to high power(450W~1500W)

SKU:

SE-450-12

Model

450W 12V

$64.77 USD

SKU: SE-450-12

600W 12V

$73.47 USD

SKU: SE-600-12

1000W 12V

$154.98 USD

SKU: SE-1000-12

1500W 12V

$281.83 USD

SKU: SE-1500-12

Product variants

$64.77 USD

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Description

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 Specification

AC input voltage range	115/230VAC by switch
AC inrush current (max.)	Cold start, 55A at 230VAC
DC adjustment range	±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~+60°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

Specifications

Brand

Mean Well
Series

SE Series
Power Rating

450 Watt
Output Voltage

12 Volt
Rated Current

37.5 Ampere
Input Voltage

90V~264V
No of Output

1
Standards Met

BSMI,EAC,UL
Operation Mode

Constant Voltage
Operating Temperature

-10°C~60°C
Warranty

2 Year
Length

8.86 in
Width

4.88 in
Height

1.97 in
Weight

2.76 lb

File Downloads

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Frequently Asked Questions

Can I use the SE-450-12 for a 12V industrial control panel with multiple DC loads?

Yes, this model is a constant voltage 12V power supply rated for 37.5A and 450W. That makes it suitable for 12V industrial control panels, automation assemblies, or embedded systems that need a shared 12V DC bus within that output limit.

Is the SE-450-12 a good fit for 12V machine-vision lighting or inspection equipment?

It can be a fit when the lighting or inspection hardware requires regulated 12V DC and the total load stays within 37.5A and 450W. The constant voltage output is intended for equipment designed around a fixed 12V supply rather than constant current operation.

Can I use the SE-450-12 to power a 12V embedded computing or communications cabinet?

Yes, if the cabinet is built for 12V DC input and the combined demand does not exceed 37.5A or 450W. Its 90-264VAC input also supports use in facilities with a wide AC input range.

Is the SE-450-12 suitable for outdoor or harsh-environment use?

The provided specs list an operating temperature of -10°C to +60°C, but no IP rating is stated. Without an IP rating in the product specs, it is better treated as a power supply for indoor or protected enclosures rather than exposed outdoor installation.

How does the SE-450-12 compare with the other SE-450 voltage versions?

Within the SE-450 family, the listed variants are SE-450-3.3 at 3.3V, 75A, 247.5W; SE-450-5 at 5V, 75A, 375W; SE-450-12 at 12V, 37.5A, 450W; SE-450-15 at 15V, 30A, 450W; SE-450-24 at 24V, 18.8A, 451.2W; SE-450-36 at 36V, 12.5A, 450W; and SE-450-48 at 48V, 9.4mA, 451.2W. The main difference between them is the output voltage and corresponding output current/power rating.

Model	Power	Voltage	Current	IP Rating	Price
Mean Well SE-450-24 Power Supply 450W 24V	451.2W	24V	18.8A	Indoor	$63.00	View
Mean Well SE-450-5 Power Supply 375W 5V	375W	5V	75A	Indoor	$71.59	View
Mean Well SE-450-48 Power Supply 450W 48V	451.2W	48V	9.4A	Indoor	$51.31	View
Mean Well SE-450-36 Power Supply 450W 36V	450W	36V	12.5A	Indoor	$71.49	View
Mean Well SE-450-3.3 Power Supply 247.5W 3.3V	247.5W	3.3V	75A	Indoor	$71.59	View
Mean Well SE-450-15 Power Supply 450W 15V	450W	15V	30A	Indoor	$71.49	View