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%
Audited Supplier 
Audited Supplier 
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