rev. 11.15.10_132 nps20-m series 1 of 3 embedded power for business-critical continuity nps20-m series 40 watts special features ? medical and ite safety approvals ? universal input ? less than 1u high ? 2 x 4 footprint ? remote sense ? overload and short circuit protection ? adjustable output voltage ? high efficiency ? high mtbf ? built in emi filter (cispr 22 class b) ? international efficiency level v, energy star 2.0 & cec compliant (nps22-m < 38 watt output) ? less than 300 mw no-load power consumption ? 0?c to +80?c operation ? input power < 49 watts ? complies with en61000 -3-2 ? class i approved ? class ii approved (with class a emi) ? lpx50 e nclosure kit a vailable ? dual ac fuses total power: 25 - 40 watts input voltage: 90 - 264 vac 127 - 300 vdc # of outputs: single electrical specifications safety input input ra nge: 90 - 264 vac (wide range) 127-300 vdc frequency: 47 - 440 hz inrush current: < 50 a peak @ 230 vac, cold start @ 25 c input power: < 49 watts efficiency: 87% average (as per energy star 2.0 standard) (nps22-m, 80%) emi/rfi: fcc class b conducted; cispr 22 class b conducted; en55022 class b con - ducted, vde0878pt3 class b conducted safety ground leakage current: 275ua @ 50/60 hz; 264 vac input output maximum power: 25 w for convection. 40 w with 200lfm forced air adjustment range: 20% minimum (-10%, +20% for nps22-m) hold-up time: 10/ 20 ms 115/230 v ac in put line overload protection: short c ircuit p rotection on all o utputs. c ase o verload p rotected @ 110-160% o f nor mal r ating, (110% - 190% f or nps28-m) overvoltage protection: 30-50% above nominal output remote sense: compensated f or 0.5 v le ad dr op m ax. w ill o perate with out r emote s ense connected. r everse c onnection p rotected. ? tuv: 60950, 60601-1 ? ul: 60950, 60601-1 ? csa: 60950, 60601-1 ? nemko: 60950, 60601-1 ? cb: certificate and report ? ce: mark (lvd) ? cqc: mark
rev. 11.15.10_132 nps20-m series 2 of 3 embedded power for business-critical continuity operating temperature: 0 to 50 c ambient derate each output at 2.5% per degree from 50 to 80 c. -20 c start up storage temperature: -45 c to +85 c electromagnetic susceptibility: designed to meet en61000-4; -2, -3, -4, -5, -6, -8, -11 level 3 humidity: operating; non-condensing 10% to 90% rh vibration: iec68-2-6 to the levels of iec721-3-2 mtbf demonstrated: > 550,000 hours at full load and 25 c ambient conditions environmental specifications mechanical drawing 4.00" (101.6) 3.73" (94.6) vr1 output voltage adjust pot m1 gnd tab (cn1) pin 1 pin 2 input connector (sk1) ? (4.0) mounting hole (4 places) model label rohs label 6 pins output connector (sk2) pin 1 pin 6 2.00" (50.8) 1.72" (43.8) 0.86" (21.8 max) 1.00" (25.4) barcode 0.197? (5.0) minimum standoff height
rev. 11.15.10_132 nps20-m series 3 of 3 embedded power for business-critical continuity americas 5810 van allen way carlsbad, ca 92008 usa telephone: +1 760 930 4600 facsimile: +1 760 930 0698 europe (uk) waterfront business park merry hill, dudley west midlands, dy5 1lx united kingdom telephone: +44 (0) 1384 842 211 facsimile: +44 (0) 1384 843 355 asia (hk) 14/f, lu plaza 2 wing yip street kwun tong, kowloon hong kong telephone: +852 2176 3333 facsimile: +852 2176 3888 for global contact, visit: www.emerson.com/embeddedpower techsupport.embeddedpower @emerson.com while every precaution has been taken to ensure accuracy and completeness in this literature, emerson network power assumes no responsibility, and disclaims all liability for damages resulting from use of this information or for any errors or omissions. emerson network power and the emerson network power logo are trademarks and service marks of emerson electric co. ?2010 emerson electric co. emersonnetworkpower.com embedded computing embedded power monitoring outside plant power switching & controls precision cooling racks & integrated cabinets services surge protection emerson network power. the global leader in enabling business-critical continuity. ac power connectivity dc power ordering information model number output voltage minimum load maximum load with convection cooling maximum load with 200lfm forced air peak load 1 regulation 2 ripple p/p (pard) 3 nps22-m 5 v 0 a 5 a 8 a 9 a 2% 50 mv nps23-m 12 v 0 a 2.1 a 3.3 a 4 a 2% 120 mv NPS24-M 15 v 0 a 1.7 a 2.7 a 3 a 2% 150 mv nps25-m 24 v 0 a 1 a 1.8 a 2 a 2% 240 mv nps28-m 48 v 0 a 0.52 a 0.84 a 1 a 2% 480 mv 1. peak current lasting < 15 seconds with a maximum 10% duty cycle. 2 . at 25 c including initial tolerance, line voltage, load currents and output voltages adjusted to factory settings. 3 . peak-to-peak with 20 mhz bandwidth and 10 f (tantalum capacitor) in parallel with a 0.1 f capacitor at rated line voltage and load ranges. pin assignments connector nps22-m nps23-m NPS24-M nps25-m nps28-m sk1-1 line line line line line sk1-3 neutral neutral neutral neutral neutral sk2-1 +5 v +12 v +15 v +24 v +48 v sk2-2 +5 v +12 v +15 v +24 v +48 v sk2-3 common common common common common sk2-4 common common common common common sk2-5 -sense -sense -sense -sense -sense sk2-6 +sense +sense +sense +sense +sense mating connectors ac input: molex 09-50-8031 (usa) 09-91-0300 (uk) pins: 08-52-0113 dc outputs: molex 09-50-8061 (usa) 09-91-0600 (uk) pins: 08-52-0113 emerson network power connector kit #70-841-006, includes all of the above notes: 1. specifications subject to change without notice. 2. all dimensions in inches (mm), tolerance is 0.02 ( 0.5 mm) 3. mounting holes m1 and m2 should be grounded for emi purposes. 4. mounting hole m1 is safety ground connection. 5. specifications are for convection rating at factory settings at 115 vac input, 25 c unless otherwise stated. 6. for dc input an external dc safety rated fuse must be used. 7. warranty: 2 year 8. weight: 0.22 lbs/0.10 kg
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