Current Transducers HTB 50 .. 400-P and HTB 50 .. 100-TP IPN = 50 .. 400 A 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). Electrical data Primary nominal r.m.s. current IPN (A) Primary current measuring range IP (A) 50 100 200 300 400 Type HTB 50-P, HTB 50-TP1) HTB 100-P, HTB 100-TP1) HTB 200-P HTB 300-P HTB 400-P ±150 ±300 ±500 ±600 ±600 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 VC IC Vd RIS VOUT ROUT RL ±12 .. ±15 V <±15 mA 2.5 kV >500 MΩ ±4 V 100 Ω ≥10 kΩ ε 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 L VOE VOH VOT TCε G tr f HTB 100-(T)P..400-P Thermal drift (% of reading) Response time @ 90% of IP Frequency bandwidth (0..-3 dB) 3) • 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 Accuracy - Dynamic performance data X Features ratings range <±1 <±1 <±30 % of IPN % of IPN mV <±1 % of IPN <±2.0 mV/K <±1.0 mV/K <±0.1 %/K <3 µs DC .. 50 kHz • 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 General data TA TS m 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. 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. LEM Components applications. °C °C g 040720/9 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.