LA05-PB

Current Transducer LA 03 .. 20-PB 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 = 3 .. 20 A Preliminary Electrical data Primary nominal r.m.s. current IPN ( A) 3 5 10 15 20 Primary current measuring range IP ( A) ± 4.5 ± 7.5 ± 15 ± 22.5 ± 30 Primary Conductor Diameter (mm) 0.5 0.5 0.65 0.8 1.0 Type Features • Closed loop (compensation) current transducer using the Hall effect LA 03-PB LA 05-PB LA 10-PB LA 15-PB LA 20-PB • Voltage output • Printed circuit board mounting VC IC Vd R IS VOUT RL Supply voltage (± 5 %) ± 15 V Current consumption app. 20mA+ IPN/1200 mA R.m.s. voltage for AC isolation test, 50/60Hz,1mn 2.5 kV Isolation resistance @ 500 VDC > 500 MΩ Output voltage @ ± IPN, RL = 10 kΩ , TA = 25°C ±4 V Load resistance > 10 kΩ Advantages • • • • • • • Excellent accuracy Very good linearity Low temperature drift Optimized response time Wide frequency bandwidth N o insertion losses High immunity to external interference • Current overload capacity Accuracy-Dynamic performance data X ε L VOE VOH VOT TCε 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 1 x IPN Thermal drift of VOE max. Thermal drift(% of reading) Response time @ 90% of IP Frequency bandwidth (- 1dB)1) < ± 1.5 % of IPN < ± 1 % of IPN < ± 30 mV < ± 15 mV ±1 mV/K < 0.04 %/K