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 VC IC Vd Vb V R IS VOUT ROUT RL Primary current measuring range IP (A) 2200 3300 4400 5500 6600 Type NNC NNC NNC NNC NNC - Features • Hall effect measuring principle • Galvanic isolation between primary 920A 930A 940A 950A 960A Supply voltage (± 5 %) Current consumption R.m.s. voltage for AC isolation test, 50/60Hz, 1 mn R.m.s. rated voltage, safe separation ± 15 < ± 25 2.5 Isolation resistance @ 500 VDC Output voltage @ ± IPN , RL = 10 kΩ, T A = 25°C Output internal resistance Load resistance > 1000 100 10 and secondary circuit • Isolation voltage 3000 V~ • Low power consumption V mA kV 500 MΩ ± 10 V Ω kΩ Advantages • Easy mounting • Space saving • High immunity to external interference. Applications • AC variable speed drives • Battery supplied applications • Uninterruptible Power Supplies Accuracy - Dynamic performance data XG ε 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 (% of reading) Response time @ 90% of IP < ± 1 % of IPN < ± 1 % of IPN < ± 50 mV < ± 50 <±1 < ± 0.1 < 25 (UPS) mV mV/°C %/°C µs General data TA TS m Ambient operating temperature Ambient storage temperature Mass - 10 .. + 60 - 15 .. + 65 1.4 °C °C kg Notes : Linearity data exclude the electrical offset. 010301/1 www.nanalem.co.jp NNC-920 .. 960A UNIT: mm NANALEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice.