120425/12 lem reserves the right to carry out modifcations on its transducers, in order to improve them, without prior notice. www.lem.com page 1/3 i pn = 50 .. 400 a features hall effect measuring principle galvanic isolation between primary and secondary circuit isolation voltage 2500 v low power consumption wide power supply: 12 ..15 v primary bus bar option for 50 a and 100 a version for ease of connection advantages small size and space saving only one design for wide current ratings range high immunity to external interference. applications ac variable speed drives static converters for dc motor drives battery supplied applications uninterruptible power supplies (ups) switched mode power supplies (smps) power supplies for welding applications application domain industrial current transducer htb 50 .. 400 - p and htb 50 .. 100 - tp for the electronic measurement of currents: dc, ac, pulsed..., with a galvanic isolation between the primary circuit (high power) and the secondary circuit (electronic circuit). electrical data primary nominal primary current type current rms measuring range i pn (a) i pm (a) 50 150 htb 50-p, htb 50-tp 1) 100 300 htb 100-p, htb 100-tp 1) 150 450 htb 150-p 200 500 htb 200-p 300 600 htb 300-p 400 600 htb 400-p v c supply voltage ( 5 %) 2) 12 ..15 v i c current consumption 15 ma v d rms voltage for ac isolation test, 50 hz, 1 min 2.5 kv r is isolation resistance @ 500 vdc > 500 m w v out output voltage (analog)@ i pn , r l = 10k w , t a = 25c 4 v r out output internal resistance 100 w r l load resistance > 10 k w accuracy - dynamic performance data x accuracy @ i pn , t a = 25c (excluding offset) < 1 % of i pn e l linearity error (0 .. i pn ) < 1 % of i pn v oe electrical offset voltage @ t a = 25c < 30 mv v oh hysteresis offset voltage @ i p = 0; after an excursion of 1 x i pn < 1 % of i pn tcv oe temperature coeffcient of v oe htb 50-(t)p < 2.0 mv/k htb 100-(t)p .. 400-p < 1.0 mv/k tcv out temperature coeffcient of v out (% of reading) < 0.1 %/k t r response time to 90% of i pn step < 3 s bw frequency bandwidth (- 3 db) 3) dc .. 50 khz general data t a ambient operating temperature - 40 .. + 80 c t s ambient storage temperature - 40 .. + 85 c m mass < 30 ( < 36) g standards en 50178 : 1997 2 pins of ?2mm diameter are available on transducer for pcb soldering notes : 1) -tp version is equipped with a primary bus bar. 2) operating at 12v vc < 15v will reduce the measuring range. 3) derating is needed to avoid excessive core heating at high frequency .
120425/12 lem reserves the right to carry out modifcations on its transducers, in order to improve them, without prior notice. www.lem.com page 2/3 current transducer htb 50 .. 400-p and htb 50 .. 100-tp isolation characteristics v d rms voltage for ac isolation test, 50 hz, 1 min 2.5 k v v e partial discharge extinction voltage rms @ 10pc > 500 v v w impulse withstand voltage 1.2/50 s 4 k v dcp creepage distance > 4.5 mm dcl clearance distance > 4.5 mm cti comparative tracking index (group iiia) 275 application examples according to en 50178 and cei 61010-1 standards and following conditions : - over voltage category iii - pollution degree 2 - heterogeneous feld en 50178 iec 61010-1 single isolation 300 v 300 v reinforced isolation 150 v 150 v safety this transducer must be used in electric/electronic equipment with respect to applicable standards and safety requirements in accordance with the manufacturers operating instructions. caution, risk of electrical shock when operating the transducer, certain parts of the module can carry hazardous voltage (eg. primary busbar, power supply). ignoring this warning can lead to injury and/or cause serious damage. this transducer is a built-in device, whose conducting parts must be inaccessible after installation. a protective housing or additional shield could be used. main supply must be able to be disconnected.
120425/12 lem reserves the right to carry out modifcations on its transducers, in order to improve them, without prior notice. www.lem.com page 3/3 dimensions htb 50 .. 400-p and htb 50 .. 100-tp (in mm. 1 mm = 0.0394 inch) ?? ? ?? ? ?? ? ?? ?
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