xppower.com 50 Watts VEF Series Energy Efficiency Level V CEC 2008 / EISA 2007 / ErP Compliant China Compulsory Certfication (CCC) Qualified Single Outputs from 12 V to 24 V Optional Inlet Connectors No Load Input Power <0.3 W High Power Density BRAND Specification Input General Input Voltage 90-264 VAC Efficiency See table Input Frequency 47-63 Hz Energy Efficiency Level V Input Current 1.7 A max Isolation 3000 VAC Input to Output, 1500 VAC Input to Ground. Inrush Current 70 A max at 230 VAC, cold start at 25 C Negative Output is connected to Ground. Earth Leakage Current <0.7 mA at 240 VAC/50 Hz Switching Frequency 65 kHz 10 kHz Power Factor EN61000-3-2, class A MTBF >700 kHrs to Bell Core iss. 6 No Load Input Power <0.3 W Input Protection Internal T4.0A/250 V fuse in line Environmental Output Operating Temperature -10 C to +60 C derate linearly from 100% Output Voltage See table load at +40 C to 50% load at +60 C Initial Set Accuracy 5% at 50% load Storage Temperature -20 C to +85 C Minimum Load No minimum load required Operating Humidity 5% to 90% RH non-condensing Hold Up Time 8 ms min at 115 VAC, full load Storage Humidity 5% to 95% RH non-condensing Start Up Delay 3 s max Shock 6 random drops from 0.7 m with no Start Up Rise Time 8 ms typical damage, 50 g for 20 ms in each of 3 axes Transient Response 4% maxiumum deviation, recovering to Vibration 2 g variable frequency from 20 Hz to 30 Hz less than 1% within 500 s for a 50% step load change Line Regulation 0.5% max EMC & Safety Load Regulation 5% max Emissions EN55022, level B conducted & radiated Ripple & Noise 240 mv pk-pk max, 20 MHz bandwidth Harmonic Currents EN61000-3-2 class A (see note 1) Voltage Flicker EN61000-3-3 Overvoltage Protection See table ESD Immunity EN61000-4-2, level 3 Perf Criteria A Overload Protection 115-220% Radiated Immunity EN61000-4-3, 3 V/m Perf Criteria A Short Circuit Protection Continuous (hiccup/trip & restart mode EFT/Burst EN61000-4-4, level 3 Perf Criteria A with auto recovery) Surge EN61000-4-5, installation class 3, Temperature 0.04%/C Perf Criteria B Coefficient Conducted Immunity EN61000-4-6, level 2 Perf Criteria A Magnetic Field EN61000-4-8, 3 A/m Perf Criteria A Dips & Interruptions EN55022, 100% 10 ms, 30% 500 ms, 100% 5000 ms Perf Criteria A, B, B Safety Approvals IEC60950-1, EN60950-1, UL/cUL60950-1, China Compulsory Certification (CCC) qualified, Approved as Limited Power Source AC DCAC DC VEF50 Models and Ratings (5) (2) (3) (4) Output Power Output Voltage Output Current OVP Setting Efficiency Model Number 50 W 12.0 V 4.17 A 18.5 V 88% VEF50US12 50 W 15.0 V 3.33 A 18.0 V 88% VEF50US15 50 W 19.0 V 2.63 A 28.5 V 88% VEF50US19 50 W 24.0 V 2.08 A 36.0 V 88% VEF50US24 Notes 1. Measured at the output connector with a 0.1 F ceramic capacitor and a 22 F electrolytic capacitor. 2. Typical values. 3. Average of efficiencies measured at 25%, 50%, 75% and 100% load and 230 VAC input. 4. For optional IEC320-C6 input connector, add suffix C6 to end of the part number, e.g. VEF50US24C6. Contact sales for details. 5. Other voltages between 12 V and 30 V available on request, contact sales for details. Mechanical Details Cable length: 47.2 0.8 (1200 mm 20 mm) IEC320-C14 2.06 0.96 0.08 3.94 (52.4) 0.43 (24.5 2) (11.0) (100) 0.89 0.4 (22.7) (10.0) 4.58 (116.3) Optional IEC320-C6 1.23 (31.3) Core Diameter: 0.63 0.08 (16 mm 2 mm) 0.89 (22.7) Power Cord for C14 inlet, Order Part: Power Cord for C6 inlet, Order Part: UK - UK-MAINS-IEC UK - UK-MAINS-5 European - EU-MAINS-IEC European - EU-MAINS-5 US - US-MAINS-IEC US - US-MAINS-5 Notes 1. All dimensions are shown in inches (mm), Tolerance is 0.04 (1.0) max except output lead. 2. Weight: 0.76 lbs (345 g) approx. 3. Output connector is barrel type with 11 mm length, 5.5 mm dia. outer, 2.5 mm dia. inner with center + and outer shell - polarity. 4. Optional output connectors available. 01-Aug-13