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 kΩ, TA = 25°C Output internal resistance Load resistance +12 .. +15 V <15 mA 2.5 kV >500 MΩ VOE ±1.667 V 100 Ω ≥10 kΩ X L VOE VOH VOT TC ε G tr f Accuracy @ IPN, TA = 25°C (without offset) <±1 % of IPN Linearity (0 .. ± IPN) <±1 % of IPN Electrical offset voltage, TA = 25°C Vc/2±30 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 µs 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 ε 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.