ldt 480 - 24 is a high power switching mode power suppl y with three phase input voltage 400 C 500 vac, delivering 480 w of output power . its compact size, high efficiency and excellent reliability together with easy installation due to pluggable connectors make s it fit demanding applications where compactness and high power are needed. ldt 480 - 24 is a class i isolation device suitable for selv and pelv circuitry and is designed to be mounted on din rail and installed inside a protective enclosure. ? 3 pha s e ac input 400 C 50 0 v ac ? wide dc input range 470 C 725 v dc ? high efficiency ? compact size ? active pfc for optimal efficiency ? easy parallelable for power increase ? overload 150% ? industrial ? telecom ? renewable
2 ldt48 0 series tech.support@psbel.com ldt48 0 - 24 400 - 500 vac / 470 - 725 vdc 3 24 vdc 2 0 a technical parameters are typical, measured in laboratory environment at 25c and 400 v ac / 50 hz, at nominal values, after minimum 5 minutes of operation. input ac voltage range rated, t hree phase (ul certified) operating 400 C 500 vac 340 C 550 vac input dc voltage range 470 C 725 vdc input frequency 47 - 63 hz input ac current vin = 400 vac 1.3 a vin = 500 vac 1 .1 a input d c current vin = 470 vd c 1 .2 a vin = 725 vd c 0.8 a power factor correction active > 0.9 inrush peak current 60 a touch (leakage) current 0.5 ma internal protection fuse none, external fuse must be provided recommended external protection it is strongly recommended to provide external surge arresters (spd) according to local regulations fuse 3x 6.3 at or 3x mcb 6 a c curve or 3x 4 a d curve output power 480 w rated voltage (adjustable voltage range ) 24 vdc (23 C 28 vdc) continuous current 20 a overload limit 28 a short circuit peak current 5 0 a load regulation 1.0% ripple & noise 1 5 0 mvpp hold up time 20 ms protections overload, short circuit: hiccup mode thermal protection output overvoltage output over voltage protection 33 vdc status signals dc ok - green led overload - red led dc ok - dry contact (no, 24 v dc / 1 a) parallel connection possible for redundancy (with external oring module) efficiency > 9 2 % dissipated power < 42 w 1 ripple and noise are measured with 20 mhz bandwidth, probe terminated with a 0.1 f mkp parallel capacitor. note: power rating, losses, efficiency, ripple, thermal behaviour and start - up may change outside of the nominal rated input range. contact factory for details.
ldt 480 series 3 asia - pacific +86 755 298 85888 europe, middle east +353 61 225 977 north america +1 408 785 5200 ? 2016 bel power solutions & protection bcd.00 844 _ a b operating temperature over temperature protection , ul certified up to 45 c (start - up type tested: - 40 c ) 2 - 40 to + 70c storage temperature - 40 to + 8 0c derating - 1 0 w/c over 45 c humidity non - condensing 5 - 95% rh life time expectancy a t 25c ambient full load 65496 h (7.4 years) overvoltage category pollution degree iii (en50178) 2 (iec60664 - 1) protection class class i isolation voltage input to output input to ground output to ground 4.2 kvdc 2.2 kvdc 0.75 kvdc standards & approvals ul508 (certified ) en60950 (reference) en50178 (reference) emc standards emission en55011 (cispr11) en55022 (cispr22) en61000 - 3 - 2 class a class a class a immunity en61000 - 4 - 2 en61000 - 4 - 3 en61000 - 4 - 4 en61000 - 4 - 5 en61000 - 4 - 11 level 3 level 3 level 3 level 3 level 2 protection degree en60529 ip20 vibration s inusoidal iec 60068 - 2 - 6 5 - 17.8 hz: 1.6 mm; 17.8 - 500 hz: 2g 2hours / axis (x,y,z) shock iec 60068 - 2 - 27 30 g 6 ms, 20 g 11 ms; 3 bumps / direction, 18 bumps total) 2 possible at n ominal voltage with load derating . input connection o utput connection 3 phase: l1 = phase 1 l2 = phase 2 l3 = phase 3 = e arth ground + = positive dc - = negative dc dc: l1 = + positive dc l2 = - negative dc l3 = do not connect = e arth ground signaling: dc ok: dry contact no com 1 ac/dc input 2 dc output (load) 3 dia g nostic output (dry contact, nc output ok) 4 green led: output ok 5 red led: overload 6 output voltage adjustment weight 1.0 k g dimensions 73 x 140 x 125 mm mounting rail iec 60715/h15/th35 - 7.5( - 15) connection terminals screw type pluggable ( 24 C 12 awg) 2.5 mm 2 case material alumin um
4 ldt48 0 series tech.support@psbel.com figure 1 . mechanical dr awing nuclear and medical applications - products are not designed or intended for use as critical components in life support systems, equipment used in hazardous environments, or nuclear control systems. technical revisions - the appearance of products, including safety agency certifications pictured on labels, may change depending on the date manufactured. specifications are subject to change without notice.
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