Current Transducer HNC-40CA 400A-100mA IPN = 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 IPN IP RM ISN KN VC IC Vd Primary nominal current Primary current measuring range Measuring resistance Secondary nominal r.m.s. current Conversion ratio Supply voltage (± 5 %) Current consumption R.m.s. voltage for AC isolation test, 50Hz, 1mn 400 0 .. ±800 20 100 1 : 4000 ±15 20 ± ISN 2 A A Ω mA V mA kV Accuracy-Dynamic performance data X ε L IO IOH IOT TCε G tr Accuracy @ IPN, TA = 25°C Linearity (0 .. ± IPN) Electrical offset current @ IP = 0, TA = 25°C Hysteresis offset current @ IP = 0; after an excursion of 1 x IPN Thermal drift of IO 0 .. +70 °C Thermal drift of the gain Response time @ 90% of IP MAX <±1 <±0.5 ±0.5 ±0.6 < 0.03 <±0.04 <3 % of IPN % of IPN mA mA mA/K %/K µs Ambient operating temperature Ambient storage temperature Secondary coil resistance @ TA = 25°C Mass • Hall effect measuring principle • Panel mount type Advantages • • • • • • • Excellent accuracy Very good linearity Low temperature drift Optimized response time Wide frequency bandwidth Small size and space saving High immunity to external interference Applications • DC motor drives • Switched Mode Power Supplies General data TA TS RS m Features - 10 .. + 80 - 15 .. + 85 30 310 °C °C Ω g (SMPS) • AC variable speed drives • Uninterruptible Power Supplies (UPS) • Battery supplied applications • Power supplies for welding applications Notes : 050114/1 LEM Components www.lem.com HNC-40CA 400A-100mA Dimensions (in mm) LEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice.