Features:
· High efficiency, high reliability
· AC input range selected by switch
· Protections: Short circuit / Over load / Over voltage
· Fixed switching frequency at 28KHz
· 100% full load burn-in test
· Cooling by free air convection
· 2 years warranty
· Dimension: 199*110*50mm (L*W*H)
Specification:
1) INPUT
· Voltage Range: 88-132VAC / 176-264VAC, 47-63Hz; Selected by switch 248-370VDC
· AC Current: 2.8A/115VAC 1.6A/230VAC
· Inrush Current: Cold start 35A
· Leakage Current: <3.5mA/240VAC
2) PROTECTION
· Over Load: 105%-135%; Shut down o/p voltage, re-power on to recover.
· Over Voltage: 115%-135%; Shut down o/p voltage, re-power on to recover.
3) ENVIRONMENT
· Working Temp. & Humidity: -10º C~+60º C; 20%~90% RH.
· Storage Temp. & Humidity: -20º C~+85º C; 10%~95% RH.
· Vibration: 10~500Hz, 2G 10min. /1 cycle, period for 60min, each along X, Y, Z axes.
4) SAFETY STANDARDS
· Withstand Voltage; I/P-O/P: 3KVAC; I/P-FG: 1.5KVAC; O/P-FG: 0.5KVAC
· Isolation Resistance: I/P-O/P, I/P-FG, O/P-FG: 100MΩ /500VDC
· Safety Standards: Design refer to UL1950, TUV, EN60950
· EMC Standards: Design refer to EN55022(CLSPR22), EN61000- 3-2, -3, EN61000-4-2, 3, 4, 5, 6, 8, 11; ENV50204, EN55024
5) Type No Output Tol. R&N Eff.
HD-120A 5V, 2-12A +2% 60mV 78%
HD-120A 12V, 0.5-5A +6% 120mV 78%
HD-120B 5V, 2-10A +2% 60mV 80%
HD-120B 24V, 0.4-4A +7% 150mV 80%
Established in 1988, We specialize in manufacturing switching power supply, current transformer, voltage transformer, fuse and isolation switch. Donghua provides you a variety of high quality switching power supply, Transformer, fuse, isolation switch And professional product solution.
To supply our customers perfect products, we set up R&D department with over 20 experienced engineers and also follow a full set of computerized managementssystem. What' S more, as an ISO9001 certified company, we adopt a strict inspection process and a scientific management system with modern imported manufacturing and testing facilities, succeeded in achieving some safety sertification such as CCC, CE, CB, UL and all products are RoHS Compliance.
Advantage managent and abundant labor in China, let us provide our customers more high reliable quality and more cheaper products, by now, DHECN-SMPS is becoming more and more famous among customers worldwide due to its reliable quality, competitive price, punctual delivery and correct service.
Donghua warmly welcome all old and new customers to visit our company or contact us by Tel, Fax, E-mail. Believing we will be your long-term business cooperator either as a reliable supplier or as a close ODM/OEM partner in China.
