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| 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) 50 100 200 300 400 Primary current measuring range IP (A) 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 Features * Hall effect measuring principle * Galvanic isolation between primary * 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 and secondary circuit VC IC Vd RIS VOUT ROUT RL 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 4 V 100 10 k Advantages * Small size and space saving * Only one design for wide current Accuracy - Dynamic performance data X L VOE VOH VOT TC G tr f Accuracy @ IPN, TA = 25C (without offset) Linearity (0 .. IPN) Electrical offset voltage, TA = 25C 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 <1 <1 <30 % of IPN % of IPN mV * High immunity to external interference. ratings range Thermal drift (% of reading) Response time @ 90% of IP Frequency bandwidth (0..-3 dB) 3) <1 % of IPN <2.0 mV/K <1.0 mV/K <0.1 %/K <3 s DC .. 50 kHz Applications * AC variable speed drives * Static converters for DC motor drives * Battery supplied applications * Uninterruptible Power Supplies * Switched Mode Power Supplies * Power supplies for welding applications. (SMPS) (UPS) General data TA TS m Ambient operating temperature -20 .. +80 Ambient storage temperature -25 .. +85 Mass (-TP version) <30 (<36) 2 pins of O2mm diameter are available on transducer for PCB soldering. C C g 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. 040720/9 LEM Components www.lem.com HTB 50 .. 400-P Back view 39 Left view Positive Current Flow 14 MAX. 34 d1 6 1.5 19.5 4-0.635x0.635 24.5 5.5 3.5 4321 Secondary Pin Identification 2-d2 Mounting Pins 7 11 3-P=2.5 6 +/-1 9 +/-1 Bottom view 10 19 3 1 2 3 4 +Vc -Vc Output 0V HTB 50 .. 100-TP Back view 39 14 MAX. 3 Left view 34 1.5 17 4-0.635x0.635 10 3-P=2.5 10.5 3 3 6.5 2 3.25 3.5 4 321 1.5 1.5 3.5 1.5 Positive Current Flow 6-1.5x1.5 Secondary Pin Identification 1 2 3 4 +Vc -Vc Output 0V 14 3 Bottom view LEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice. 3 11 |
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