313 process yellow 3405 1797 1375 116 2607 652 242 2985 375 240 embedded power for business-critical continuity nlp250-dc series single output special features ? -48 vdc input ? 250 w on main channel with forced air ? low profle fts 1u applications ? u-channel for maximum thermal performance ? 5 v standby output ? 12 v fan output ? integrated control and monitoring features ? overcurrent, overvoltage and overtemperature protection ? compliance to en55022-b conducted noise standard ? rohs compliant ? 2 year warranty total power: 250 w input voltage: 38 - 60 vdc # of outputs: single rev.4.20.09_129 nlp250-dc series 1 of 4 electrical specifcations all specifcations are typical at nominal input, full load at 25 c unless otherwise stated safety vde0805/en60950-1 iec950/iec60950-1 ul/cul 60950-1 csa-c22.2 60950-1 cb certifcate ce mark (lvd) ? ? ? ? ? ? input input voltage range: -48 vdc nominal 38 - 60 vdc input surge current: 60 vdc (cold start) 40 a max. input voltage protection: reverse polarity protected input current: -48 vdc @ 250 w 7 a input fuse: ul/iec127 t6.4 ah, 250 vac output maximum power: 200 lfm forced air 250 watts total regulation: (line and load) main output auxiliary outputs 2.0% 5.0% turn-on delay: -48 vdc input 2.0 s max. transient response: main output 50 - 100% step at 0.5 a/s 5.0% or 250 mv max. dev., 1 ms max recovery to 1% temperature coeffcient: 0.04%/c overvoltage protection: main output 115%, 5% short circuit protection: cyclic operation continuous minimum output current: singles 0 a auxiliary outputs: (see note 8, page 3) 5 vsb 12 v (fan) 5 v @ 1.0 a 12 v @ 1.5 a
rev.4.20.09_129 nlp250-dc series 2 of 4 embedded power for business-critical continuity 313 process yellow 3405 1797 1375 116 2607 652 242 2985 375 240 environmental specifcations thermal performance: operating ambient, -5 c to +70 c (see derating curve) non-operating -40 c to +85 c 0 c to 50 c ambient, 250 w 200 lfm forced air 250 lfm with cover 0 c to 50 c ambient 175 w convection cooled 50 c to 70 c ambient, derate linearly convection cooled to 50% load relative humidity: non-condensing per gr-63-core altitude: operating 10,000 feet max. non-operating 30,000 feet max. vibration: 5-100 hz per gr-63-core shock: per gr-63-core zone 4 emc characteristics (5) conducted emissions: en55022, fcc part 15 cispr22, gr-1089 core, etsi 300-386 level b esd air: en61000-4-2 level 3 esd contact: en61000-4-2 level 3 radiated immunity: en61000-4-3 level 3 fast transients: en61000-4-4 level 3 surge: en61000-4-5 level 3 conducted immunity: en61000-4-6 level 3 general specifcations hold-up time: -48 vdc input 4 ms @ 250 w effciency: -48 vdc @ 250 w 85% typ. isolation voltage: input/output input/chassis 1500 vdc 1500 vdc safety approvals (see note 6, page 3): ul/cul ul60950-1, vde en60950-1, can/csa22.2 no. 60950-1 weight: 650g (22 oz) mtbf (@25 o c): telcordia sr-332 317,000 hours min.
rev.4.20.09_129 nlp250-dc series of 4 embedded power for business-critical continuity 313 process yellow 3405 1797 1375 116 2607 652 242 2985 375 240 ter 1 ter 2 1.50 7.0 0 1 j1 2 3 j2 1 4.00 2.50 5.50 .75 .75 4 x 6-32 unc 2-b 3/16 max depth notes 1 free air convection. maximum continuous output power not to exceed 175 w. refer to figure 1 for the derating curve. 2 200 lfm (250 lfm with cover) forced air cooling from the longer side. maximum continuous output power not to exceed 250 w. 3 figure is peak-to-peak for room temperature rating. output noise measurements are made across a 20 mhz bandwidth using a 6 inch twisted pair, terminated with a 10 f tantalum capacitor and a 0.1 f ceramic capacitor. 4 caution: allow a minimum of 1 second after disconnecting line power when making thermal measurements. for optimum reliability no part of the heatsink should exceed 115 c and no semi-conductor case temperature should exceed 120 c. 5 no external fltering required during conducted emissions testing but some applications may require additional fltering to achieve system compliance. compliance with radiated emi specifcations may require mounting in a suitable enclosure. 6 this product is only for inclusion by professional installers within other equipment and must not be operated as a stand alone product. 7 5 v sb (standby) output is available whenever dc input is present, regardless of remote on/off signal status. 12 v (fan) present when main output is present. 8 the j suffx indicates that these parts are pb-free (rohs 6/6) compliant. 9 notice: please contact your local emerson representative or visit our website at http://www.powerconversion.com. ordering information output voltage output current ripple (3) total regulation model numbers (9, 10) min max (free air) (1,4) max (forced air) (2,4) 12 v 0 a 14.6 a 21 a 120 mv 2.0% NLP250N-48S12J mechanical drawing
313 process yellow 3405 1797 1375 116 2607 652 242 2985 375 240 embedded power for business-critical continuity rev.4.20.09_129 nlp250-dc series 4 of 4 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.powerconversion.com 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. ?2008 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 output power (watts) dera ting cur ve output power (w atts) 0 c 10 c 20 c 30 c 40 c 50 c 60 c 70 c 0 w 175 w 250 w 200 lfm (1.0 m/s) forced air cooling na tura l free air convection cooling 87 w 125 w 75 w connector and mating connector types connector type mating connector type j1 molex 10-84-5030 (4202 series) molex 50-84-1035 (42021 series) or equivalent with molex 02-08-1001 (42024 series) or equivalent crimp terminals j2 molex molex 90142-0010 molex 90119-2110 crimp terminals ter1 ter2 terminal block terminal block contains #6-32 screw with clamp washer suitable for wire size 12-22 awg (0.5-2.5 mm 2 ). max torque tp 1.36 nm (12 in.lb) pin connections j1 pin 1 -48 vdc pin 2 ground pin 3 return j2 pin 1 n/c pin 2 -vo remote sense pin 3 +vo remote sense: load compensation for 0.2 v to 0.5 v drop at load (sense point) pin 4 5 v standby pin 5 signal common (rtn): 5 v standby and 12 v fans pin 6 12 v dc fan voltage pin 7 signal common (rtn): 5 v standby and 12 v fans pin 8 inhibit: a closed contact (low) will shut down psu main output within 200ms (typical) pin 9 dc power good: vo > -8% of nominal = logic hi, out of regulation = logic low ter1 +12 v ter2 gnd derating curve
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