ld w 120 series are single or two phas e ac or dc input din rail switching power s upplies . its compact size, high efficiency, excellent reliability together with easy installation due to pluggable connectors makes it market leader for various industrial telecom and renewable energy applications . ldw 120 series are class i isolation device s suita ble for selv and pelv circuitry and are designed to be mounted on din rail and installed inside a protective enclosure. ? high efficienc y ? single or two phase input ac 187 C 550 v ac ? wide dc input range 250 - 725 v dc ? c ompact size, only 40 mm width ? 150% overload capability ? rohs compliant ? industrial control ? communication ? instrumentation equipment ? renewable
2 ldw120 series tech.support@psbel.com ldw 120 - 12 200 - 500 v ac (250 - 72 5 vdc) 1 / 2 12 C 15 vdc 8 C 7 a ldw120 - 24 200 - 500 v ac (250 - 72 5 vdc) 1 / 2 24 vdc 5 a ldw120 - 48p 200 - 50 0 vac (250 - 725 vdc ) 1 / 2 48 vdc 2.5 a i ncludes i nternal oring diode spec ifications are measured at 25c, and 400 vac / 50 hz , typical unless otherwise stated. input ac voltage range rated , single or two phase , ul certified operating 200 C 500 vac 187 - 550 vac input dc voltage range rated, ul certified 250 C 725 vdc (300 C 500 vdc) input frequency range 47 - 63 hz input ac current vin = 200 vac vin = 500 vac 1.4 a 0.7 a input dc current vin = 250 vac vin = 725 vac 0.8 a 0.3 a inrush peak current < 40 a internal protection fuse none, external fuse must be provided external protection on ac line it is strongly recommended to provide external surge arresters (spd) according to local regulations. mcb 6 a c curve or 6 a d curve output power 120 w rated voltage (voltage adjustment range) ldw120 - 12 ldw120 - 24 ldw120 - 48p 12 C 15 vdc (12 C 15 vdc) 24 vdc (23 C 28 vdc) 48 vdc (45 C 55 vdc) continuous current (uout nom) ldw120 - 12 ldw120 - 24 ldw120 - 48p 8 - 7 a 5 a 2.5 a overload limit ldw120 - 12 ldw120 - 24 ldw120 - 48p > 10 a / 30 s > 7.5 a / 30 s > 3.75 a / 30 s short circuit peak current ldw120 - 12 ldw120 - 24 / ldw120 - 48p > 20 a / 3 00 ms > 14 a / 3 00 ms load regulation 1% ripple & noise 11 0 mvpp hold up time vin = 2 4 0 vac vin = 4 00 vac 17 ms 60 ms efficiency ldw120 - 12 ldw120 - 24 ldw120 - 48p > 81% > 8 8 % > 8 6 % dissipated power ldw120 - 12 ldw120 - 24 ldw120 - 48p < 2 5 w < 1 7 w < 19.5 w output over voltage protection ldw120 - 12 ldw120 - 24 ldw120 - 48p > 18 vdc > 33 vdc > 68 vdc
ldw120 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.00719_ aa parallel connection (p) models include internal oring circuit protections hiccup at the overload limit with auto reset over temperature overvoltage status signals green led = dc ok red led = overload dry contact (1 a / 30 v) note: power rating, losses, efficiency, ripple, thermal behaviour may change outside of the nominal rated input range. operating temperature ul certified up to 45c (start - up type tested: - 40 c ) 1 - 40 to + 70c storage temperature - 40 oc - + 80oc derating - 1.2 w / c over 60 c humidity non - condensing 5 - 95% rh life time expectancy a t 25 c ambient , full l oad 84914 h (9.6 years) overvoltage category pollution degree iii 2 (iec 664 - 1) isolation voltage input to output input to ground output to ground 4.2 kvdc 2.2 kvdc 0.75 kvdc safety standards & approvals ul508 (certified) ul60950 (certified for ld w120 - 24 model) en60950 (reference) emc standards emission en55022:2010 (cispr22) en55011:2009/a1:2010 class a class a immunity en61000 - 4 - 2:2008 en61000 - 4 - 3:2006 /a2:2010 en61000 - 4 - 4:2012 en61000 - 4 - 5:2014 en61000 - 4 - 11:2004 /a1:2010 level 3 level 3 level 3 level 4 level 2 protection degree en60529:1989 / a:2013 ip20 vibration s inusoidal iec 60068 - 2 - 6:2007 (5 - 17.8 hz: 1.6 mm; 17.8 - 500 hz: 2g 2hours / axis (x, y, z) shock iec 60068 - 2 - 27:2008 (30 g 6 ms, 20 g 11 ms; 3 bumps / direction, 18 bumps total) 1 possible with load derating. weight 500 g dimensions (w x h x d) 40 x 115 x 110 mm mounting rail iec 60715/h15/th35 - 7.5( - 15) connection terminals screw type pluggable (24 - 12 awg) 2.5 mm2 case material aluminum
4 ldw120 series tech.support@psbel.com figure 1 . mechanical dr awing 1 ac/dc input 2 dc output (load) 3 diagnostic output (dry contact, nc output ok) 4 green led: output ok 5 red led: overload 6 output voltage adjustment input connection o utput connection single phase: l = line n = neutral = earth ground + = positive dc - = negative dc dry contact = nc two phase: l1 = phase 1 l2 = phase 2 = e arth ground dc: l1(n) = - negative dc l2(l) = + positive dc = e arth ground 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 appeara nce 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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