Ø  High Efficiency, and High reliability Ø  Output protections: OCP/OPP/SCP Ø  Wide operating ambient temperature (-10℃~50℃) Ø  All using 105℃ long life electrolytic capacitors. Ø  100% full load burn-in test Ø  1 years warranty SPECIFICATION MODEL GST-H150S8.5-M GST-H150S12-M GST-H150S24-M GST-H150S28-M GST-H150S36-M GST-H150S48-M OUTPUT DC Output 8.5V 12V 24V 28V 36V 48V Rated Current 17.5A 12.5A 6.0A 5.5A 4A 3.0A CurrentRange    0~17.5A 0~12.5A 0~6.0A 0~5.5A 0~4.0A 0~3.0A Ripple and Noise  Note 2 100Mv 120mV 200mV 200mV 200 mV 200mV Voltage ADJ. Range ±5% of rated output voltage Voltage Accuracy ±2.0 Line Regulation ±0.5% Load Regulation ±1.0% Set-up Time <=1.0S (220Vac input, Full load) Hold up Time >=20mS(220Vac input, Full load) Temperature Coefficient ±0.03%/℃ Overshoot and Undershoot <5.0% INPUT VoltageRange  176Vac~265Vac FrequencyRange 47Hz~63Hz Efficiency (Typical) 220Vac 76% 80% 81% 82% 85% 85% AC Current (max.) 4.0A 2.0A 1.9A 2A 2.0A 1.8A 0.50A Inrush Current (Typical) 40A@220Vac  Cold start Leakage Current <3.5mA PROTECTION Over Current 105%~150% of rated output current, auto recovery Over Power 105%~150% of rated output current, auto recovery Shorted Circuit Long-term mode,auto recovery ENVIRONMENT Operating amb. Temp. & Hum. -10℃~50℃; 20%~90%RH No condensing Storage Temp. & Hum. -25℃~85℃; 10%~95%RH No condensing SAFETY &EMC   Safety Standards EN60950-1 Withstand Voltage Primary-Secondary:1.5KVac; Primary-PG:1.5KVac; Secondary-PG:0.5KVDC Isolation Resistance 100M ohms OTHERS MTBF (MIL-HDBK-217F) More than 100,000Hrs (25℃, Full load) Dimension (L*W*H) 199×98×40mm Connection 7P/8.025mm barrier terminal block Cooling method Cooling by free air convection NOTE 1.     All parameters NOT specially mentioned are measured at rated input, rated load and 25℃of ambient temperature. 2.     Measured at 20MHz of bandwidth by using a 12” twisted pair-wire terminated with a 0.1 uF & 47uF parallel capacitor. Powerld enterprises is specialized in switching power supply since 1991, obtained ISO9001 certificate in 2002, ISO14001 certificate in 2006.As a professional switching power supply manufacturer,Powerld can supply a broad range of power supply,we can not only supply our customers with high quality products,but also our best service and fast delivery time.