electrical data primary nominal primary current primary conductor type r.m.s. current measuring range diameter i pn (a) i p (a) (mm) 3 7.5 0.8 haw 03-p 5 13 0.9 haw 05-p 10 25 1.1 haw 10-p 15 38 1.4 haw 15-p 20 50 1.6 haw 20-p v c supply voltage ( 5 %) 15 v i c current consumption < 18 ma v d r.m.s. voltage for ac isolation test, 50/60hz, 1 mn 2.0 kv r is isolation resistance @ 500 vdc > 500 m w v out output voltage @ i pn , r l = 10 k 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 (without offset) < 1 % of i pn e e l linearity (0 .. i pn ) < 1 % of i pn v oe electrical offset voltage, t a = 25c < 40 mv v oh hysteresis offset voltage @ i p = 0; after an excursion of 1 x i pn < 20 mv v ot thermal drift of v oe max. 1.5 mv/k tc e e g thermal drift of the gain (% of reading) 0.1 %/k t r response time @ 90% of i p < 3 s f frequency bandwidth (- 3 db) 1) dc .. 50 khz general data t a ambient operating temperature - 10 .. + 75 c t s ambient storage temperature - 15 .. + 85 c m mass 12 g current transducer haw 03 .. 20- p for the electronic measurement of currents: dc, ac, pulsed, mixed, with a galvanic isolation between the primary circuit (high power) and the secondary circuit (electronic circuit). i pn = 3 .. 20 a features hall effect measuring principle galvanic isolation between primary and secondary circuit isolation voltage 2000 v low power consumption extended measuring range ( 2.5x i pn ) advantages easy mounting small size and space saving only one design for wide current ratings range high immunity to external interference. applications dc motor drives switched mode power supplies (smps) ac variable speed drives uninterruptible power supplies (ups) battery supplied applications inverters notes : en 50178 approval pending lem components www.lem.com 010118/2 preliminary 1) derating is needed to avoid excessive core heating at high frequency.
haw 03 .. 20-p lem reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice. 0.5 1 2 3 4 6 +/-1 4.5 +/-1 primary conductor 4-0.5*0.25 terminal pin identification unit : mm scale : 2/1 19 +/-1 20 +/-1 2 15 +/-1 signal pins primary conductor part no. diameter haw 03-p haw 05-p haw 10-p haw 15-p haw 20-p 0.8 d 0.9 d 1.1 d 1.4 d 1.6 d see the attached table 2.5 +/-1 5 6 7 8 pin no. 5-6 5-6 7-8 7-8 7-8 signal pins 3 +vcc 1 -vcc 4 output 2 0v 5 (+) 6 (-) 7 (+) 8 (-) direction of current flow 15 +/-1 6 +/-1 11 +/-1 3-p=2.54 front view right view bottom view
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