NNC-940A

Current Transducers NNC-920 .. 960A 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 = 2000 .. 6000 A Electrical data Primary nominal r.m.s. current IPN (A) 2000 3000 4000 5000 6000 Primary current measuring range IP (A) ± ± ± ± ± 2200 3300 4400 5500 6600 Type Features 920A 930A 940A 950A 960A NNC NNC NNC NNC NNC - Hall effect measuring principle Galvanic isolation between primary Isolation voltage 3000 V~ Low power consumption V mA kV 500 and secondary circuit VC IC Vd Vb V R IS VOUT ROUT RL Supply voltage (± 5 %) Current consumption R.m.s. voltage for AC isolation test, 50/60Hz, 1 mn R.m.s. rated voltage, safe separation Isolation resistance @ 500 VDC Output voltage @ ± IPN , RL = 10 kΩ , T A = 25°C Output internal resistance Load resistance ± 15 < ± 25 2.5 Advantages Easy mounting Space saving High immunity to external interference. > 1000 100 10 MΩ ± 10 V Ω kΩ Applications Accuracy - Dynamic performance data AC variable speed drives Battery supplied applications Uninterruptible Power Supplies < ± 1 % of IPN < ± 1 % of IPN < ± 50 mV < ± 50 <±1 < ± 0.1 < 25 mV mV/°C %/°C µs (UPS) ε XG L VO E VOH VOT TCε G tr Accuracy @ T A = 25°C Linearity (0 .. ± IPN ) Electrical offset voltage, T A = 25°C Hysteresis offset voltage @ IP = 0; after an excursion of 1 x IPN Thermal drift of VOE Thermal drift of the gain ...