open frame 24v 350w power supply constant voltage mode swithing power PCB AC DC 15V 48V
Featurer:
· Universal AC input/Full range(100-240VAC)
· Widely used in different field.
· Provide customizing service
· Protections:Short circuit/Over load/Over voltage/ Over temp
· 3 years warranty
· 100% full load burn-in test
· Use Imported machine to test,such as Chroma machine
· Lead time: 15 working days after receiving deposit
· Payment: TT,L/C,Paypal etc,
· Sample is available
· L/T of sample :7 days
Parameter table :
| MODEL | U351S27B | U351S40B | U351S48B | U351S52B | |
| OUTPUT | DC VOLTAGE | 27V | 40V | 48V | 52V |
| RATED CURRENT | 13A | 8.75A | 7.3A | 6.75A | |
| CURRENT RANGE | 0~13A | 0~8.75A | 0~7.3A | 0~6.75A | |
| RATED POWER | 351W | 350W | 350.4W | 351W | |
| RIPPLE & NOISE (max.) | 270mVp-p | 400mVp-p | 480mVp-p | 520mVp-p | |
| VOLTAGE ADJ. RANGE | 25.65~28.35V | 38~42V | 45.6~50.4V | 49.4~54.6V | |
| VOLTAGE TOLERANCE | ±5% | ±5% | ±5% | ±3% | |
| LINE REGULATION | ±1% | ±1% | ±1% | ±1% | |
| LOAD REGULATION | ±5% | ±5% | ±5% | ±3% | |
| SETUP, RISE TIME | 1000ms, 50ms/230VAC 1000ms, 50ms/115VAC at full load | ||||
| HOLD UP TIME (Typ.) | 20ms/230VAC l6ms/115VAC at full load | ||||
| INPUT | VOLTAGE RANGE | 90~132VAC or 180~264VAC by switch OR 254-370VDC | |||
| FREQUENCY RANGE | 47~63Hz | ||||
| EFFICIENCY(Typ.) | 90% | 90% | 90% | 90% | |
| AC CURRENT (Typ.) | 7A/115VAC 4A/230VAC | ||||
| INRUSH CURRENT (Typ.) | 40A/115VAC 60A/230VAC | ||||
| LEAKAGE CURRENT | < 3.5mA/ 240VAC | ||||
| PROTECTION | OVERLOAD | 115 ~ 135% rated output power | |||
| Protection type : Constant current limiting, recovers automatically after fault condition is removed | |||||
| OVER VOLTAGE | 29.7~47.25V | 44~70V | 52.8~84V | 57.2~91V | |
| Protection type : Hiccup mode, recovers automatically after fault condition is removed | |||||
| OVER TEMPERATURE | 90°C±5°C(TSWI detect on heatsink of power transistor);80°C±5°C(TSW2 ) detect on heatsink of power diode | ||||
| Protection type : Shut down o/p voltage with auto-recovery | |||||
| ENVIRONMENT | WORKING TEMP. | -20~+40°C | |||
| WORKING HUMIDITY | 20 ~ 90% RH non-condensing | ||||
| STORAGE TEMP., HUMIDITY | -20~+ 85°C , 10~95% RH | ||||
| TEMP. COEFFICIENT | ±0.03%/°C(0~50°C) | ||||
| VIBRATION | 10 ~ 500Hz, 3G 10min./1cycle, 60min. each along X, Y, Z axes | ||||
| SAFETY & EMC | SAFETY STANDARDS | UL60950-1, TUV EN60950-1 approved | |||
| WITHSTAND VOLTAGE | I/p-0/P: 3KVAC I/p-FG: 1 .5KVAC 0/p-FG: 0.5KVAC | ||||
| ISOLATION RESISTANCE | I/P-0/P, I/P-FG, 0/P-FG: 100M Ohms/500VDC | ||||
| EMC EMISSION | Compliance to EN55022 (CISPR22) Class B | ||||
| HARMONIC CURRENT | Compliance to EN61000-3-2,-3 | ||||
| EMC IMMUNITY | Compliance to EN61000-4-2,3,4,5,6,8,11; ENV50204, light industry level, criteria A | ||||
| OTHERS | MTBF | ≥ 234.3K hrs. MIL-HDBK-217F (25°C ) | |||
| DIMENSION | 180*100*45mm (L*W*H) | ||||
About Our Factory :
ETOP:It has got ISO9001 certification in 2002. And in 2004, we finished renewing the ISO9001:2000 quality management system certification. Moreover, ETOP passed the ISO14001 environmental management system
certification and GB/T28001 occupational health and safety management system certification in 2005.
Our Certificates:
Our products are 100% through high temperature ageing, which accords with CCC, CE, FCC,Rohs and many
other authoritative organization security authentication standard.
Advantage of our products and company:
(1) Provide customizing service:We are good at designing and developing various products.We can
customize all kinds of power supples you expect as long as you can provide us your detailed comments .
(2) SMT---High Efficiency & High Quality: largely adopt SMT components because of its tight mechanism,
small volume and exquisite appearance.
(3) Punctual delivery and various delivery method:by sea or air, TNT, UPS, DHL, ARAMEX, EMS, FedeX
Our packaging:
with white box and then in to standard carton box
Our Team & Compay:
and benefit the society. Stand in the forefront of the industry and adopt new technology to provide the optimal
investment and management plan and promote industry improvement.
With best location and most convenient transportation: Our company is located in Longgang District, shenzhen City, in which it is with friendly environment and nearby to Airport and
harbour, that ensure us timely delivery as soon as we had finished.Business goal:Promote industry development, form complete industry chain and creat an international
well-known power supply brand with consulting, design, manufacturing and service.
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