· Output: 30V 4A
· Output power: 120W
1. We have 5 Years’ Export Experience
2. 100% full load burn-in test
3. Approved CE ROHS certificates
4. Full glass fiberboard
DC Output Voltage
Input Voltage Error
Rated Output Current
Output Current Range
Ripple and Noise
DC Output Power
Adjustable Range for DC Voltage
AC Input Voltage Range
85~132VAC/170~264VAC selected by switch 47~63Hz; 240~370VDC
AC Inrush Current
Cold-Start Current: 30A/115V, 60A/230V
105%~150% Type: Cut Output, Reset: Auto Recovery
Over Voltage Protection
High Temperature Protection
± 0.03% /°C (0~50°C)
Start, Rise, Hold time
200ms, 100ms, 20ms
10~500Hz, 2G 10min,/1cycle, a total of 60 minutes, Each axes
Between Input and Output: 1.5KVAC, Input and Shell: 1.5KVAC, Output and Shell: 0.5KVAC
Input and Output Internal: Input and Enclosure, Output and Enclosure: 500VDC/100M Ohms
Working Temperature and Humidity
`-10°C~+60°C (Refer to Output Derating Curve), 20%~90%RH
Storage Temperature and Humidity
Meet UL 1012 requirement (Not apply for the mark)
Meet FCC Part 15J Conduction class B
Shipping and servicing:
We will deliver goods according to your request, you can choose DHL, UPS, FedeX, TNT, special line, Air Cargo, Sea Cargo, etc.
Our power supplies are strictly tested before sale. The guarantee is two-years, during this period, we will repair the products for free if the malfunction is caused by the quality of our products.
1.Q: Do you offer samples for testing?
A: Yes, we offer samples for testing with cost paid by buyer.Besides we welcome our customers to take sample as we believe seeing is believing.
2. Q: What’s the warranty?
A : Yes, we have warranty of 2 years period.
Q3. Is it OK to print my logo on product?
A: Yes. Please inform us formally before our production and confirm the design firstly based on our sample.
4.Q: What's your MOQ?
A: we don’t set MOQ.
5. Can you design the new housing based on our design?
A: We can accept ODM. About one or two weeks to make samples.
6. What's the main product of your factory?
A: We are the supplier for 10-500W global power adapter, including wall plug adapter, USB adapter/charger, desktop adapter, metal case switching power supply, led power supply, waterproof power supply, etc.
7. Do you have some new product coming?
A: We will design more and more new product with high quality.
8.Q: What's your payment item?
A: Our standard payment is T/T in advance, Paypal and L/C.
Huyssen Technology, one of the leading China manufacturers of various power supplies, now brings you the best quality 30v 4a switching power supply. With bulk products in stock in our factory, we warmly welcome you to wholesale our equipment made in China with us. Besides, customized service is also available in order to meet your requirement.