Current Transducers HTB 50 .. 400-P and HTB 50 .. 100-TP 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, HTB 50-TP1) HTB 100-P, HTB 100-TP1) HTB 200-P HTB 300-P HTB 400-P 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 <±15 2.5 >500 ±4 100 ≥10 V mA kV MΩ V Ω kΩ Accuracy - Dynamic performance data X ε L VOE VOH VOT TC ε G tr f Accuracy @ IPN, TA = 25°C (without offset) Linearity (0 .. ± IPN) Electrical offset voltage, TA = 25°C Hysteresis offset voltage @ IP = 0; after an excursion of 3 x IPN Thermal drift of VOE HTB 50-(T)P HTB 100-(T)P..400-P Thermal drift (% of reading) Response time @ 90% of IP Frequency bandwidth (-3 dB)3) <±1 <±1 <±30 % of IPN % of IPN mV • Hall effect measuring principle • Galvanic isolation between primary and secondary circuit • Isolation voltage 2500V • Low power consumption • Wide power supply: ±12V to ±15V • Primary bus bar option for 50A and 100A version for ease of connection Advantages • Small size and space saving • Only one design for wide current ratings range <±1 % of IPN <±2.0 mV/K <±1.0 mV/K <±0.1 %/K <3 µs DC .. 50 kHz General data TA TS m Features Ambient operating temperature -20 .. +80 Ambient storage temperature -25 .. +85 Mass (-TP version) <30 (<36) 2 pins of Ø2mm diameter are available on transducer for PCB soldering. °C °C g • 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. 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. 030529/7 LEM Components www.lem.com HTB 50 .. 400-P Left view Back view Positive Current Flow 39 9 +/-1 1.5 19.5 34 d1 6 14 MAX. 3.5 4321 4-0.635x0.635 24.5 Secondary Pin Identification 5.5 3-P=2.5 10 Bottom view 1 2 3 4 7 11 3 6 +/-1 2-d2 Mounting Pins 3 19 +Vc -Vc Output 0V HTB 50 .. 100-TP 39 14 MAX. Left view 10 1.5 1.5 3.5 4 321 4-0.635x0.635 3.5 1.5 17 34 Back view 1.5 Positive Current Flow 3-P=2.5 10.5 3 3 3.25 6-1.5x1.5 3 11 14 2 6.5 3 Secondary Pin Identification 1 2 3 4 +Vc -Vc Output 0V Bottom view LEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice.