12V 33.3A 400W LED Signage Lighting Rainproof Power Supply

Introducing our 12V 33.3A 400W Rainproof Power Supply, featuring a high-quality IP43-rated rainproof design. This power supply undergoes a 100% full-load aging test and 100% fresh components to ensure stable and reliable performance. It offers comprehensive protection against overvoltage, overload, and short circuits, contributing to its long lifespan. Made from high-quality materials with fine workmanship, it delivers stable voltage, ensuring safety and durability. We provide a 2-year warranty for peace of mind. Ideal for powering LED advertising displays, illuminated signage, and channel letters, this power supply is a dependable choice for your lighting needs.

Model Number JT-400W 12V
Input voltage 200-240V
Output voltage 12V DC
Output Power 400W
Size 182*118*50mm
Warranty 2 years
OEM Customize LOGO, color box, and Carton
Protection Over voltage, over current, short protection

description

model list

application

Feature

◎ 100% full load, 100% aging test

◎ Quality aluminum shell with oxidation gold finish

◎ Good quantity can customize shell color and LOGO

◎ All 100% new component, long life and high reliability

◎ Intelligent chip control, over voltage, over current, short protection

◎ Fan cooling for low noise and stable performance.

specification

Model		JT-400W 12V	JT-400W 24V
OUTPUT	DC voltage	12V	24V
	Rated current	33.3A	16.7A
	Cuttent range	0-33.3A	0-16.7A
	Rated output power	400W	400W
	Ripples and noise	≤200mVp-p	≤300mVp-p
	Output current range	11.5-12.5V	23-25V
	Precision of output voltage regulation	±0.5%	±0.5%
	Rate of lenear adjustment	±0.5%	±0.5%
	Load adjustment rate	±0.5%	±0.5%
	The startup time	≤2s/230VAC
INPUT	Keep time	10ms/230VAC
	Voltage range	176-264VAC
	Frequency range	50Hz
	Power factor	PF≥0.6/230VAC
	Efficiency	≥89%	≥91%
	Alternating current	3.4A/230VAC
	Surge current	50A/230VAC
	Leakage current	<5mA/230VAC
PROTECTION	Overload	110%-140%: rated 110%-140% of the total power input
	Overload	protection mode:Auto recovery mode.the system automatically recovers when abnormal load conditions are removed
	Short circuit	protection mode:Auto recovery mode.the system automatically recovers when abnormal load conditions are removed
	Over voltage	protection mode:self-recovery mode,automatic recovery when the overvoltage is removed
	Over temperature	protection mode:self-recovery mode,automatically recover when the temperature drops
ENVIRONMEN		working temperature	-35~+50°C
		working humidity	20-90% RH
		storage temperature;humidity	-30~+85°C； 10~95% RH
		temperature coefficient	±0.1%/°C(0-35°C)
		resistance to vibration	10-500Hz, 3G 10min. / 1 cycle, 60 min. each axes
SAFETY&EMC		safety norms	EN60950 , GB4943.1 -2011
		withstand voltage	l/P-O/P:1.5KVAC l/P-FG:1.5KVAC O/P-FG:0.5KVAC
		insulation impedance	l/P-O/P, l/P-FG, 0/P-FG:100M Ohms / 500VDC / 25°C/ 70% RH
		EMC	--
other		protection grade	IP62
		MTBF	≥30khour 25℃
		power supply size	L182W118H50mm
		power supply weight	425g
NOTE		1.Unless otherwise specified , all specification are measured at an input of 230VAC,rarted negative cut,and ambient temperature of 25°C
		2.Ripple and noise measurement method:the measured end is connected in parallel with a 0.1uF+10uF capacitor,the oscilloscope is set to 20MHZ bandwidth,and the probe is tested with cap off and full load at 25°C
		3.Accuracy :includes setting error , linear adjustment rate and load adjustment rate .
		4. The output power is reduced when the input voltage is less than 200VAC.

Caution

● The product MUST be installed vertically and the wiring terminals downwards.

● For the heat dissipation, distance of 10cm from 4 sides (up/down/right/left) and 5cm from the ventilation hole side should be kept.

OEM Customer design

Model List

Our factory offers OEM customization, allowing us to tailor various models and parameters to meet your specific needs. Feel free to contact us for more information and personalized solutions.

Model	Power Out	Input Voltage	Output Voltage	Output Current	Efficiency	IP	Size(mm)	Package
JT-60W 12V	60W	200-240V AC	12V	5.0A	93%	IP43	1307442	100
JT-100W 12V	100W	200-240V AC	12V	8.3A	93%	IP43	1487442	100
JT-150W 12V	150W	200-240V AC	12V	12.5A	93%	IP43	1487442	100
JT-200W 12V	200W	200-240V AC	12V	16.7A	92%	IP43	1957442	80
JT-300W 12V	300W	200-240V AC	12V	25.0A	92%	IP43	1829350	50
JT-400W 12V F	400W	200-240V AC	12V	33.3A	80%	IP43	18211850	48
JT-400W 12V E	400W	200-240V AC	12V	33.3A	80%	IP43	18211850	48
JT-400W 12V C	400W	200-240V AC	12V	33.3A	92%	IP43	18211850	48
JT-500W 12V	500W	200-240V AC	12V	41.7A	90%	IP43	20511850	30
JT-600W 12V	600W	200-240V AC	12V	50.0A	90%	IP43	20511850	30
JT-700W 12V	700W	200-240V AC	12V	58.3A	90%	IP43	22011850	30
JT-1000W 12V	1000W	200-240V AC	12V	83.3A	90%	IP43	22011850	30
JT-400W 24V	400W	200-240V AC	24V	16.7A	92%	IP43	18211850	48
JT-700W 24V	700W	200-240V AC	24V	29.1A	90%	IP43	22011850	30
JT-200W 5V	200W	200-240V AC	5V	40.0A	92%	IP43	18211850	48
JT-300W 5V	300W	200-240V AC	5V	60.0A	92%	IP43	18211850	48
JT-350W 5V	350W	200-240V AC	5V	70.0A	90%	IP43	20511850	30
JT-400W 5V	400W	200-240V AC	5V	80.0A	90%	IP43	20511850	30
JT-500W 5V	500W	200-240V AC	5V	100.0A	89%	IP43	22011850	30

application

The 12V 33.3A 400W rainproof power supply is specifically designed for high-power outdoor LED advertising systems, ensuring consistent and reliable performance in all weather conditions.

● Large-Scale Outdoor LED Billboards – Powers massive digital billboards in high-traffic areas, ensuring bright, vivid displays for advertisements in all conditions.

● LED Display Walls for Events – Ideal for outdoor event stages, providing high-power supply for LED screens used in concerts, festivals, and live events.

● LED Video Walls in Public Spaces – Supports large outdoor video walls in public squares, transportation hubs, and shopping malls, delivering dynamic advertising content.

● Interactive Digital Signage – Powers interactive advertising kiosks and touchscreen displays in urban environments, ensuring smooth operation and vivid visuals.

● LED Backlit Signage for Retail – Perfect for large retail signage and advertising lightboxes, providing reliable power for constant, vibrant illumination.

With its rainproof design and high capacity, this power supply ensures stable, uninterrupted operation for high-demand LED advertising applications, making it the ideal choice for outdoor promotional displays in diverse environments.