Additional Resources: Product Page 3D Model date 01/25/2021 page 1 of 5 SERIES: VGS-75B DESCRIPTION: AC-DC POWER SUPPLY FEATURES +70C operation output trim current/voltage/temperature protections screw terminal interface low standby power consumption 30 mm height 2 output output output ripple efficiency MODEL 1 voltage current power and noise max max max typ (Vdc) (A) (W) (mVp-p) (%) VGS-75B-12 12 6.3 75.6 100 85 VGS-75B-24 24 3.2 76.8 150 88 VGS-75B-30 30 2.5 75 150 88 VGS-75B-48 48 1.6 76.8 200 88 Notes: 1. 20 MHz bandwidth oscilloscope, 12 of twisted load cables paralleled with 0.1 F ceramic and 47 F electrolytic capacitors placed across the terminals at the load. 2. At 230 Vac, 50 Hz, full load. 3. All specifications are measured at Ta=25C, nominal input voltage, and rated output load unless otherwise specified. PART NUMBER KEY VGS-75B - XX Base Number Output Voltage cui.comAdditional Resources: Product Page 3D Model CUI Inc SERIES: VGS-75B DESCRIPTION: AC-DC POWER SUPPLY date 01/25/2021 page 2 of 5 INPUT parameter conditions/description min typ max units voltage 90 264 Vac frequency 47 63 Hz at 115 Vac input, full load 1.7 A current at 230 Vac input, full load 1.0 A inrush current at 230 Vac input, cold start, full load 50 A leakage current 3.5 mA no load power consumption at 230 Vac 0.4 W OUTPUT parameter conditions/description min typ max units 12 Vdc output model 1 % line regulation all other models 0.5 % 12 Vdc output model 1 % load regulation all other models 0.5 % adjustability built in trim pot 10 % start-up time at 115/230 Vac input, full load 2 s rise time at 115/230 Vac input, full load 40 ms at 115 Vac input, full load 12 ms hold-up time at 230 Vac input, full load 30 ms switching frequency 65 kHz PROTECTIONS parameter conditions/description min typ max units over voltage protection output shutdown, must recycle power to recover 120 145 % over current protection output shutdown, auto recovery 110 150 % short circuit protection output shutdown, auto recovery SAFETY & COMPLIANCE parameter conditions/description min typ max units input to output for 1 minute, 10 mA 1,500 Vac isolation voltage input to ground for 1 minute, 10 mA 1,500 Vac output to ground for 1 minute, 10 mA 500 Vac input to output at 500 Vdc 100 M isolation resistance input to ground at 500 Vdc 100 M output to ground 500 Vdc 100 M certified to 62368: EN safety approvals certified to 60950: IEC/UL safety class class I conducted emissions EN 55032:2015, Class B radiated emissions EN 55032:2015, Class B input current harmonics EN 61000-3-2:2014, Class A voltage fluctuation and flicker EN 61000-3-3:2013, Class A ESD immunity IEC 61000-4-2, air: 8 kV contact: 4 kV, Class A radiated field immunity IEC 61000-4-3, 3 V/m, Class A electrical fast transient IEC 61000-4-4, Ac power port: 1 kV immunity signal & telecommunication ports: 0.5 kV, Class B Notes: 1. The power supply is considered a component which will be installed into final equipment. The final equipment still must be tested to meet the necessary EMC directiv es. cui.com