ld w 25 - 24 is a single or two phas e ac or dc input din rail switching power s upply . 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 25 - 24 is class i i isolation device s suitable f or selv and pelv circuitry and are designed to be mounted on din rail and installed inside a protective enclosure. ? single or two phase ac (90 - 550 vac ) or dc (150 - 725 vdc) input ? high efficiency and extremely compact size ? plastic enclosure ? class ii (simplified wiring) ? overload 130% ? up to 70c operating temperature with derating curve ? ideal for applications with harsh mains conditions ? compliant to renewable energy systems and high dc bus ? rohs compliant ? industrial control ? communication ? instrumentation equipment ? renewable
2 ldw 25 - 24 tech.support@psbel.com ldw 25 - 24 1 20 - 50 0 vac (150 - 725 vdc ) 1 / 2 24 vdc 1.0 a no oring diode spec ifications are measured at 25c, and 24 0 vac / 50 hz, typical unless otherwise stated. input ac voltage range rated, single or two phase operating 120 C C output power 25 w rated voltage (voltage adjustment range) 24 vdc (23 C
ldw 25 - 24 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.00 852 _ aa operating temperature overtemperature protection (start - up type tested: - 40 c 1 ) - 40 to + 70c derating see figure 1. storage temperature - 40 oc to + 80oc humidity non - condensing 5 - 95% rh life time expectancy a t 25 oc ambient full load 179477 h (20.4 years) overvoltage category pollution degree iii 2 (iec 664 - 1) isolation voltage input to output 4.2 kvdc safety standards & approvals ul508 (reference) 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 sinusoidal 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 bu mps / direction, 18 bumps total 1 possible at nominal voltage with load deration. figure 1. output derating weight 17 0 g dimensions (w x h x d) 40.0 x 115.0 x 110.0 mm mounting rail iec 60715/h15/th35 - 7.5( - 15) connection terminals screw type header (24 - 12 awg) 2.5 mm2 case material aluminum derating vs current vout: 24vdc / temp. ambient 70c 0.80 0.90 1.00 120 230 400 500 ] [ vac [ a ] derating vs temperature vout: 24vdc / load 1.0a 45 50 55 60 65 70 75 120 230 400 500 ] [ vac c [ ]
4 ldw 25 - 24 tech.support@psbel.com figure 2 . mechanical dr awing input connection o utput connection single phase: l = line (1) n = neutral (3) + = positive dc (12) - = negative dc (11) 2 phase: l1 = phase 1 (1) l2 = phase 2 (3) dc: l1( l ) = + positive dc (1) l2(n) = - negative dc (3) 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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