For more information, please visit the product page. date 08/23/2012 page 1 of 4 SERIES: VDRS-20 │ DESCRIPTION: AC-DC DIN RAIL FEATURES • • • • • up to 24 W continuous power DIN Rail power supplies universal input (88-264 Vac / 124-370 Vdc) single output from 12 to 24 V over voltage, over load, over temperature, and short circuit protections • UL1310, UL 508, and TUV safety approvals • long life electrolytic capacitors • efficiency up to 86% RoHS output voltage output current output power ripple and noise1 (Vdc) max (A) max (W) max (mVp-p) (%) VDRS-20-12 12 1.7 20.4 100 83 VDRS-20-15 15 1.4 21 100 85 VDRS-20-24 24 1 24 120 86 MODEL Note: 1. at full load, 230 Vac input, measured at 20MHz bandwidth with a 47 μF and 0.1 μF parallel cap on the output PART NUMBER KEY VDRS - 20 - XX Base Number Output Voltage cui.com efficiency For more information, please visit the product page. CUI Inc │ SERIES: VDRS-20 │ DESCRIPTION: AC-DC DIN RAIL date 08/23/2012 │ page 2 of 4 INPUT parameter conditions/description min voltage frequency max units 88 124 typ 264 370 Vac Vdc 47 63 Hz current 115 Vac 230 Vac 0.45 0.32 A A inrush current 115 Vac 230 Vac 20 40 A A max units line regulation ±1 % load regulation ±1 % OUTPUT parameter conditions/description temperature coefficient (0 ~ 50°C) hold-up time at 115 Vac, cold start at 230 Vac, cold start adjustibility adjustible with built-in trim pot min typ ±0.03 %/°C 16 32 ms ms ±10 % max units 150 % PROTECTIONS parameter conditions/description min over voltage protection latch-off mode 115 over load protection constant current limiting, automatically recovers after fault condition is removed 102 short circuit protection output shut down and auto restart typ % SAFETY & COMPLIANCE parameter conditions/description min isolation voltage input to output for 1 minute input to case for 1 minute isolation resistance input to output, input to case, output to case, 500 Vdc safety approvals UL 508, TUV EN60950-1, UL1310 NEC class 2 compliant EMI/EMC EN55022 : 2006(Class B), EN61204-3: 2000, EN61000-6-3: 2007, EN61000-3-2,3 :2006, EN55024, EN61204-3: 2000, EN61000-6-1: 2007 (EN61000-4-2,3,4,5,6,8,11) typ units 3,000 1,500 Vac Vac 100 MΩ leakage current RoHS compliant max 1 mA yes MTBF 120,400 hours ENVIRONMENTAL parameter conditions/description min operating temperature storage temperature operating humidity non-condensing storage humidity vibration typ max units -20 70 °C -40 85 °C 20 90 % 10 (10 ~ 500 Hz, 1 hour per axis, 3 hours total) cui.com 95 5 % Grms For more information, please visit the product page. CUI Inc │ SERIES: VDRS-20 │ DESCRIPTION: AC-DC DIN RAIL date 08/23/2012 │ page 3 of 4 MECHANICAL DRAWING 23.00 0.906 99.00 3.898 5.00 0.197 5.00 0.197 +V -V DC OK DC ON +V ADJ. 90.00 3.543 N L 5.00 0.197 5.00 0.197 DERATING CURVE Output power vs. Ambient temperature Output power vs. Input Voltage 100 80 Load ( %) Load ( %) 100 60 50 40 20 80 60 40 20 0 0 -20 10 0 20 30 90 40 50 60 70 100 110 120 264 Input Voltage (Vac) 60 Hz Ambient temperature (°C) ACTIVE DC SIGNAL Model R Model R Model R 12 V ≥ 1.5 KΩ 12 V ≥ 2.4 KΩ 12 V ≥ 0.7 KΩ 15 V ≥ 2.0 KΩ 15 V ≥ 3.0 KΩ 15 V ≥ 0.7 KΩ 24 V ≥ 3.9 KΩ 24 V ≥ 4.7 KΩ 24 V ≥ 1.2 KΩ cui.com For more information, please visit the product page. CUI Inc │ SERIES: VDRS-20 │ DESCRIPTION: AC-DC DIN RAIL date 08/23/2012 │ page 4 of 4 REVISION HISTORY rev. description date 1.0 initial release 06/03/2010 1.01 new template applied 08/18/2011 1.02 V-Infinity branding removed 08/23/2012 The revision history provided is for informational purposes only and is believed to be accurate. Headquarters 20050 SW 112th Ave. Tualatin, OR 97062 800.275.4899 Fax 503.612.2383 cui.com [email protected] CUI offers a two (2) year limited warranty. Complete warranty information is listed on our website. CUI reserves the right to make changes to the product at any time without notice. Information provided by CUI is believed to be accurate and reliable. However, no responsibility is assumed by CUI for its use, nor for any infringements of patents or other rights of third parties which may result from its use. CUI products are not authorized or warranted for use as critical components in equipment that requires an extremely high level of reliability. A critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness.