VGS-250B-12

Additional Resources: Product Page | 3D Model date 05/02/2023 page 1 of 5 SERIES: VGS-250B │ DESCRIPTION: AC-DC POWER SUPPLY FEATURES • • • • • • • • built-in cooling with temperature-controlled fan +70°C operation output trim current/voltage/temperature protections screw terminal interface switch-selectable AC input range low standby power consumption 30 mm height MODEL output voltage output current output power ripple and noise1 efficiency2 (Vdc) max (A) max (W) max (mVp-p) typ (%) VGS-250B-12 12 20.8 249.6 150 86.5 VGS-250B-24 24 10.5 252 150 89 VGS-250B-48 48 5.2 249.6 200 89.5 Notes: 1. 20 MHz bandwidth oscilloscope, 12” of twisted load cables paralleled with 0.1 µF ceramic and 47 µF electrolytic capacitors placed across the terminals at the load. 2. At 230 Vac, 50 Hz, full load. 3. All specifications are measured at Ta=25°C, nominal input voltage, and rated output load unless otherwise specified. PART NUMBER KEY VGS-250B - XX Base Number Output Voltage cui.com Additional Resources: Product Page | 3D Model CUI Inc │ SERIES: VGS-250B │ DESCRIPTION: AC-DC POWER SUPPLY date 05/02/2023 │ page 2 of 5 INPUT parameter voltage conditions/description min typ max units via input selector switch1 90 180 115 230 132 264 Vac Vac 63 Hz 5 3 A A frequency 47 current at 115 Vac, full load at 230 Vac, full load inrush current at 230 Vac, cold start, full load 60 A leakage current at 240 Vac 2 mA no load power consumption at 230 Vac 0.75 W Notes: 1. Input selector must be set to match input voltage or damage could occur. OUTPUT parameter conditions/description min typ line regulation max units ±0.5 % ±1 ±0.5 % % load regulation 12 Vdc output model all other models adjustability built in trim pot start-up time at 115/230 Vac, full load 1.5 s rise time at 115/230 Vac, full load 30 ms hold-up time at 115 Vac, full load at 230 Vac, full load ±10 % 12 16 switching frequency ms ms 65 kHz PROTECTIONS parameter conditions/description min max units over voltage protection output shutdown, auto recovery 115 typ 150 % over current protection output shutdown, auto recovery 105 150 % short circuit protection output shutdown, auto recovery over temperture protection output shutdown, auto recovery max units SAFETY & COMPLIANCE parameter conditions/description isolation voltage input to output for 1 minute, 10 mA input to ground for 1 minute, 10 mA output to ground for 1 minute, 10 mA isolation resistance input to output at 500 Vdc input to ground at 500 Vdc output to ground 500 Vdc safety approvals certified to 62368: EN certified to 60950: IEC/UL safety class class I conducted emissions EN 55032:2015, Class A radiated emissions EN 55032:2015, 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 immunity IEC 61000-4-4, Ac power port: 1 kV; signal & telecommunication ports: 0.5 kV, Class B Notes: min typ 1,500 1,500 500 100 100 100 Vac Vac Vac MΩ MΩ MΩ 2. 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 directives. cui.com Additional Resources: Product Page | 3D Model CUI Inc │ SERIES: VGS-250B │ DESCRIPTION: AC-DC POWER SUPPLY date 05/02/2023 │ page 3 of 5 SAFETY & COMPLIANCE (CONTINUED) parameter conditions/description surge immunity IEC 61000-4-5, input L to input N: 1 kV; input L to FG: 2 kV; input N to FG: 2 kV, Class C conducted immunity IEC 61000-4-6, frequency range: 0.15~80 MHz; field strength: 3 Vms, Class A magnetic field immunity IEC 61000-4-8, 1 A/m, Class A voltage dips, interruptions IEC 61000-4-11: voltage dips >95% reduction, 0.5 period, Class A voltage dips 30% reduction, 25 period, Class B voltage dips >95% reduction, 250 period, Class C MTBF as per MIL-HDBK-217F, 25°C RoHS Notes: min typ max 200,000 units hours yes 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 directives. ENVIRONMENTAL parameter conditions/description min operating temperature see derating curves storage temperature typ max units -20 70 °C -40 85 °C operating humidity non-condensing 20 90 % storage humidity non-condensing 10 95 % DERATING CURVES cui.com Additional Resources: Product Page | 3D Model CUI Inc │ SERIES: VGS-250B │ DESCRIPTION: AC-DC POWER SUPPLY date 05/02/2023 │ page 4 of 5 MECHANICAL parameter conditions/description dimensions 215 x 115 x 30 min typ max units mm weight 1000 cooling cooling fan input/output connector screw terminals accept 22~12 AWG wire, 1.2 N-m torque g MECHANICAL DRAWING units: mm tolerance: ±0.3 mm I/P & O /P Connector Input/Output Connector 1 +V 2 +V 3 +V 4 -V 5 -V 6 -V 7 FG 8 AC(N) 9 AC(L) f  T r im POT +V +V +V f Function  PIN -V -V -V (F G ) AC(N) A C (L) Max Depth Torque M3X0.5 4 mm