MeanWell UHP-350R-3.3| UHP-350R-4.2| UHP-350R-5 LED Display Power Supply

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MeanWell UHP-350R-4.2 LED Redundant Power Supply

The MeanWell UHP-350R LED display redundant power supply series includes UHP-350R-3.3, UHP-350R-4.2 and UHP-350R-5.

Main Features:

With active PFC function

With short circuit protection/overload protection/overvoltage protection/overheat protection

Passed safety certification: TUV/CB/CE

DC OK valid signal and redundant function (optional)

Working height: up to 5000 meters

With LED power indicator

Main Parameters:

DC output range: 4.2V (3.3V, 5V)

Output voltage accuracy: ±1%

Ripple: 240mV

Efficiency: 94%

Input voltage range: 90～264VAC / 127～370VDC

Input inrush current: cold start, 30A at 115V/60A at 230V

Leakage current: <0.75mA / 240VAC

Overload protection: 110% to 140% of rated output power; protection mode: hiccup mode, which can automatically recover after abnormal conditions are removed

Overheating protection: Protection mode: turn off the output voltage, it can automatically recover after the temperature drops

Start rising hold time: 2000ms, 80ms, 10ms at 230VAC full load

Insulation characteristics: between input and output: 3.75KVac, between input and shell: 2KVac, between output and shell: 1.25KVac, 1 minute

Operating temperature: -30～+70℃ (see output derating curve)

Vibration resistance: 10～500Hz, 2G 10 minutes/cycle, 60 minutes for each axis of XYZ

Safety certification: passed UL60950-1, TUV EN60950-1, EN60335-1, CCC GB4943, EAC TP TC 004 certification; design refer to EEN61558-1,-2-16

Electromagnetic compatibility standard: Emission: EN55022, GB9254, Class B, EN61000-3-2, -3, EAC TP TC 020

Electromagnetic compatibility standard: Anti-interference: EN61000-4-2, 3, 4, 5, 6, 8, 11, EN61000-6-2 (EN50082-2), Class A heavy industry standard, EAC TP TC 020

MTBF: ≥2.85 million hours, MIL-HDBK-217F (25℃)

Dimensions: 220×62×31mm (L×W×H)

Weight and packing: 0.68kg/pc; 16pcs/11.88kg per carton

1. We ship most of the items listed on our website worldwide using the fast shipping way with a tracking number via DHL, FedEx, or UPS Express, which is around 4~8+ days to arrive.

2. We can use the buyer's shipping account to send the goods. But the buyer shall make an appointment for the pickup by himself and send us the shipping lablel. Simply just providing us a shipping account will not be accepted. If you use a FedEx account, please also ask them for a control number or reference number.

3. We will process your order within 1~3 working days after receipt of payment. We will inform you of the delivery time when it happens to be Out of Stock for the products on your order.

4. We only ship to the confirmed address for your order so please do confirm the delivery address on your payment account when you pay by PayPal or Credit Card. We will cancel the order and refund you if it does not match. It is OK if you pay by Wire Transfer or Western Union.

5. Service transit time is provided by the shipping company and excludes weekends and holidays. Transit times may vary, particularly during the holiday season.

6. The buyer shall pay the customs charges on his side if they occur. Please inform us if you want to lower the product value on the shipping invoice. If not, we will use the actual amount as paid. In most EU countries, this is not allowed. It has to be the real amount as paid. And for all EU countries, Switzerland, Norway and Ireland, a VAT number must be provided for customs clearance.

7. If required, please provide some necessary assistance for the shipping company concerning the customs clearance of the goods in your country.

8. Please check the items in front of the DHL/FedEx courier when they arrive. If the goods are damaged, please try to obtain local DHL’s documentary evidence for the breakage, and in the meantime, email us with photos of the packaging and products as soon as possible.

9. The products purchased will not be accepted for return or warranty if the codes are ripped off. We do not accept refunds for custom-made products. Regularly stocked items may be returned for refund with a 20% restocking charge if the request is made within 3 days of receiving. Items must be in good and resalable condition. Shipping costs back and forth and import taxes (if there are any) are all borne by the buyer.

10. We provide six months to one year of quality warranty for most LED part products and two years for complete LED display products (Special terms are subject to the final Proforma Invoice.). If the items fail under normal use during this period, we will fix or replace them for free of charge in our factory. Buyers are responsible for back-and-forth shipping costs.