1 type no. smp21 single phase switch-mode power supply for rail mounting connector design l pcb mounting (preferred type) s plug-in type terminal design 20 screw terminals output voltage dc24v dc 24 v output current 10 a smp21-l 20-dc24v-10a ordering example description features and benefits typical applications order numbering code technical data (t u = 25c, u b = ac 115 / 230 v, i 0 = 10a) switched mode power supply for rail mounting, with independent change-over of input voltages (ac 115/230 v), integral passive power factor compensation (pfc), high power reserve and optional parallel mode. en 61000-6-3, en 61000-6-2, en 61204-3 l the devices switches over automatically when connected to ac 115 v ac and 230 v l wide range inputs from ac 90 to 132 v at rated input voltage 115 v, and ac 180 to 264 v at rated input voltage 230 v l efficiency up to 89 % l integral passive power factor compensation l parallel mode for performance improvement (selectable by switch) process control, industrial switch- and controlgear, machine construction, telecommunication systems smp21-dc24v-10a version l20 approvals and standards emc operating data input voltage ranges u e ac 90132 v / ac 180264 v operating voltage range u b ac 115 / 230 v effective output 240 w output voltage u o 24 v selv output current rating i o 10 a efficiency 87 % min. / 89 % typically general data switching frequency 40 khz insulation voltage between input and output input and protective conductor output and protective conductor ac 3000 v, dc 4242 v ac 1500 v, dc 2121 v ac 500 v, dc 710 v insulation resistance 100 m (dc 500 v) between input and output ambient temperature -40 c+71c derating factor (see curve) 2.5 % / c storage temperature -40 c+85 c relative humidity 2090 % rh mtbf to bellcore, ed. 6 481,000 hours at 40c, gb max. altitude in operation to iec 60068-2-13 5000 m above sea level cooling by convection mounting direction wall-mounted (see dimensions) pollution degree 2 input circuit input rated voltage ac 115 v / ac 230 v input voltage ranges ac 90132 v / dc 180264 v input current 1.55 a typically at u b = ac 230 v 4.0 a typically at u b = ac 115 v max. input current 2.2 a at u b = ac 180 v 5.4 a at u b = ac 88 v supply frequency 47...63 hz approval authority standards ul ul508, csa c22.2 no. 107.1 (listed) ul 60950-1, csac22.2 no. 60950-1 (recognized) tv rheinland en 60950-1 / en61558-1 / en61558-2-16 switched mode power supply for din rail mounting type smp21 dc24v/10a www.e-t-a.de 1646 3
2 dimensions general tolerance 0.00 (0.00) - 30.00 (1.18) 0.30 (0.01) 1.50 (0.06) 30.00 (1.18) - 120.00 (4.72) 1.50 (0.06) 120.00 (4.72) - 400.00 (15.75) 7 9 7 9 6 1 6 1 3 3 1166 4 14 4 14 4 14 6 115/230 v ac 5.4/2.2 a 47-63hz 24 v dc/10 a smp 21 smp 21 technical data (t u = 25c, u b = ac 115 / 230 v, i 0 = 10a) technical data (t u = 25c, u b = ac 115 / 230 v, i 0 = 10a) inrush current at ac 115 v at ac 230 v 30 a max. 60 a max. power loss (at u b 230 v, i 0 10 a) 35 w typically power factor compensation (passive) typically 0.75 output circuit rated voltage u 0 dc 24 v selv current rating i 0 10 a output voltage accuracy 0+1 % min. load 0 % supply regulation 0.5 % at u e min. u e max. load regulation single mode parallel mode 1 % 5 % voltage adjustment range dc 22.528.5 v at 0.8 x i 0 continuous load 10 a at u 0 = dc 24 v, 8.4 a at u 0 = dc 28.5 v power boost factor typically 130 % (120%...145% see output curve) short circuit behaviour u/i trip curve exposure time 25 / 20 ms on delay at: resistive load capacitive load of 7,000 f 1 s 1.5 s rise time at: resistive load capacitive load of 7,000 f 150 ms 0.5 s release time 150 ms residual ripple 100 mv, spectrum = 20 mhz power back immunity dc 35 v min. capacitive load 7,000 f max. parallel mode 3 power supplies max. at 0.1 x i 0 0.9 x i 0 control and protection circuit input protection internal blade fuse t6.3a / ac 250 v recommended back-up fuse 1-pole mcb, e.g. e-t-a type 4230 current rating 10 a / 16 a ? max. 20 a characteristic curve b / c / d internal overvoltage protection varistor available power (output rdy) contact closed at: dc 17.6...19.4 v insulation voltage contact load at dc 500 v (to output) dc 60 v / 0.3 a overvoltage protection 3033 v at 0.8 x i 0 degree of protection ip20 physical data dimensions (h x w x d) version l20 with screw terminals: version s20 with removeable plug 124.5 x 83.5 x 123.6 mm (4,9 x 3,29 x 4,87 inches) 143.5 x 83.5 x 123.6 mm (5.65 x 3.29 x 4.87 inches) housing material: metal mass approx. 1380 g vibration (random vibration to iec 60068-2-6) mounted on symmetrical rail, 10 - 500 hz, 2 g, on x, y & z axis, 60 minutes per axis shock (to iec 60068-2-27,) 15 g (11 ms), 3 axes, 6 sides, 3 times per side switched mode power supply for din rail mounting type smp21 dc24v/10a www.e-t-a.de 1646 3
3 l1 v+ v+ v- v- rdy c rdy no n pe 10 a ~ mounting and installation mounting snap onto din rail (ts35/7.5 or ts35/15) ventilation / cooling normal air convection, recommended distance on each side 25 mm mounting position wall-mounted with the input terminals pointing downwards (see dimensions) version l20 with screw terminals: screw terminals input terminal awg24-10 (0.2 mm2 C 4 mm2) flexible/rigid output terminal awg24-10 (0.2 mm2 C 4 mm2) flexible/rigid tightening torque input connector 1 nm max. output terminal 0.6 nm max. wire stripping length 8 mm version s20 with removeable plug screw terminals input terminal awg24-10 (0.2 mm2 C 4 mm2) flexible/rigid output terminal awg24-10 (0.2 mm2 C 4 mm2) flexible/rigid tightening torque input connector 0.5 nm max. output connector 0.8 nm max. wire stripping length 45 mm pin assignment C display - controls pin no. name description 1 rdy limit value dc on, relay contact (make contact) 2 3.4 v + output voltage + 5.6 v - output voltage - 7 pe earth conductor 8 n input voltage, neutral conductor (not polarised with dc input voltage) 9 l input voltage, phase conductor (not polarised with dc input voltage) dc on visual status indication with led dc lo dc low output voltage led indication vout adj potentiometer for adjustment of output voltage u 0 s/p change-over switch single / parallel mode schematic diagram vo + vo - v out adj. dc on (gr een led) output level detection refer ence & err or amp. over v oltage level detection curr ent detection opto- isolation opto- isolation rectifier switching device smoothing cir cuit pwm contr oller p. f. c cir cuit inrush curr ent limiter&rectifier and auto select 115/230 v filter fuse dc low (red led) rdy (relay contact) single/parallel select l n y switched mode power supply for din rail mounting type smp21 dc24v/10a www.e-t-a.de 1646 3 switched mode power supply for din rail mounting type smp21 dc24v/10a
4 typical output trip curve output curr ent (%) 100 110 120 130 140 15 0 160 100 75 50 25 0 output v oltage (%) 230 va c 115 va c derating curve current-voltage curve typical efficiency curve current-voltage curve 100 75 0 leistung (%) -40 61 71 t emperatur e (c) safe operating ar ea ef ficiency (%) power out (%) 89 88 87 86 85 84 83 82 81 80 50 75 100 230 va c 115 va c current-voltage-curve short circuit ? output ref16-s101-dc24v-6a current-voltage-curve ? short circuit current: 10 a / div voltage: - - - 10 v / div time 20 ms / div. current: 2 a / div voltage: - - - 10 v / div time 20 ms / div. switched mode power supply for din rail mounting type smp21 dc24v/10a www.e-t-a.de 1646 3
5 application example with protection by 4230-t and ref16-s l1 n pe l1.1 n.1 x11 - e0.3 e0.1 e0.0 x10 x9 x7 x8 m1 1 2 m l1 n pe v+ v+ v- v- rdy rdy c no 4230-t110-k0ce-16a x1 x2 x3 x4 x5 x6 f2 f3 f4 f5 f6 f7 1 12 1 12 1 12 1 12 1 12 1 12 2.1 2.2 11 14 2.1 2.2 11 14 2.1 2.2 11 14 2.1 2.2 11 14 2.1 2.2 11 14 2.1 2.2 11 14 2 2 11 14 2 11 14 2 11 14 2 11 14 2 11 14 11 14 11 14 11 14 11 14 11 14 1 12 1 12 1 12 1 12 1 12 1 12 1 1 1 1 1 1 2 2 2 2 2 2 0,5 a 2a 2a 1a 1a 4a smp21 1 12 (b) 1 12 (b) 1 12 (b) 1 12 (b) 1 12 (b) 1 12 (b) et a.80plus-pt01 et a.ref16-s100-dc24v -0,5a et a.80plus-pt01 et a.ref16-s101-dc24v -2a et a.80plus-pt01 et a.ref16-s101-dc24v -2a et a.80plus-pt01 et a.ref16-s101-dc24v -1a et a.80plus-pt01 et a.ref16-s101-dc24v -1a et a.80plus-pt01 et a.ref16-s124-dc24v -4a line+ gnd load+ load+ si si load+ si si load+ si si load+ si si 2.1/2.2 11(a) 14(c) 2.1/2.2 11(a) 14(c) 2.1/2.2 11(a) 14(c) 2.1/2.2 11(a) 14(c) 2.1/2.2 11(a) 14(c) 2.1/2.2 11(a) 14(c) load+ re sf +24v re sf +24v reset in status out line+ gnd line+ gnd line+ gnd line+ gnd line+ gnd f1 v1 10 a 1 2 (see catalog cir cuit br eaker thermal magnetic datasheet 4230-t) (see catalog electr onic over curr ent pr otection chapter 6) notes for installation l the power distribution system must only be installed by qualified personnel. l only after expert installation must the device be supplied with power. l the user has to ensure that the cable cross section complies with the applicable current rating. l the national standards (e.g. for germany din vde 0100) have to be observed for installation and selection of feed and return cables. l recommended circuit breaker for the primary input cable protection: e-t-a type 4230 in max. 20 a l recommended selective overcurrent protection for the secondary output protection: e-t-a types ess.., esx.., und ref l in addition special precautions must be taken in the system or machine (e.g. use of a safety plc) which reliably prevent an automatic re-start of parts of the system (cf. machinery directive 2006/42/eu and en 60204-1, safety of machinery). in the event of a failure (short circuit/overload) the load circuit will be disconnected by the circuit breaker/protector or the switched mode power supply. switched mode power supply for din rail mounting type smp21 dc24v/10a www.e-t-a.de 1646 3 switched mode power supply for din rail mounting type smp21 dc24v/10a
6 all dimensions without tolerances are for reference only. e-t-a reserves the right change specifications at any time in the interest of improved design, performance and cost effectiveness, the right to make changes in these specifications without notice is reserved. product markings may not be exactly as the ordering codes. errors and omissions excepted. www.e-t-a.de 1646 3
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