Current Transducers HTB 50 .. 400-P/SP5 and HTB 50 .. 100-TP/SP5 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). IPN = 50 .. 400 A Electrical data Primary nominal r.m.s. current IPN (A) Primary current measuring range IP (A) 50 100 200 300 400 VC IC Vd R IS VOUT ROUT RL 150 300 500 600 600 Type HTB 50-P/SP5, HTB 50-TP/SP51) HTB 100-P/SP5, HTB 100-TP/SP51) HTB 200-P/SP5 HTB 300-P/SP5 HTB 400-P/SP5 Supply voltage (5 %)2) Current consumption R.m.s. voltage for AC isolation test, 50/60 Hz, 1 mn Isolation resistance @ 500 VDC Output voltage @ IPN, RL = 10 k, TA = 25C Output internal resistance Load resistance +12 .. +15 V <15 mA 2.5 kV >500 M VOE 1.667 V 100 10 k X L VOE VOH VOT TC G tr f Accuracy @ IPN, TA = 25C (without offset) <1 % of IPN Linearity (0 .. IPN) <1 % of IPN Electrical offset voltage, TA = 25C Vc/230 mV Hysteresis offset voltage @ IP = 0; after an excursion of 3 x IPN <0.5 % of IPN Thermal drift of VOE HTB 50-(T)P/SP5 <1.0 mV/K HTB 100-(T)P..400-P/SP5 <0.5 mV/K Thermal drift (% of reading) <0.05 %/K Response time @ 90% of IP <3 s Frequency bandwidth (-3 dB)3) DC .. 50 kHz General data TA TS m Ambient operating temperature Ambient storage temperature Mass (-TP version) * Hall effect measuring principle * Galvanic isolation between primary and secondary circuit * Isolation voltage 2500V * Low power consumption * Primary bus bar option for 50A and 100A version for ease of connection Special Features Accuracy - Dynamic performance data Features * Single power supply from 12V to 15V Advantages * Small size and space saving * Only one design for wide current ratings range * High immunity to external interference. Applications -25 .. +85 -25 .. +85 <30 (<36) C C g * AC variable speed drives * Static converters for DC motor drives * Battery supplied applications * Uninterruptible Power Supplies (UPS) * Switched Mode Power Supplies (SMPS) Notes : EN 50178 approval pending 1) -TP version is equipped with a primary bus bar. 2) Operating at +12V Vc < +15V will reduce measuring range. 3) Derating is needed to avoid excessive core heating at high frequency. * Power supplies for welding applications. 030221/0 LEM Components www.lem.com HTB 50 ... 400-P/SP5 Left view Back view Positive Current Flow 39 9 +/-1 1.5 19.5 34 d1 6 14 MAX. 3.5 32 1 34-0.635x0.635 24.5 Secondary Pin Identification 5.5 2-P=2.5 10 Bottom View 1 +Vc 2 0V 3 Output 7 11 3 6 +/-1 2-d2 Mounting Pins 3 19 HTB 50 ... 100-TP/SP5 39 14 MAX. Left view 10 1.5 1.5 3.5 321 34-0.635x0.635 3.5 1.5 17 34 Back view 1.5 Positive Current Flow 2-P=2.5 10.5 3 3 3.25 6-1.5x1.5 3 11 14 2 9 Secondary Pin Identification 1 +Vc 2 0V 3 Output 3 Bottom view LEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice.