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| 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 k, T A = 25C Output internal resistance Load resistance 15 < 25 2.5 Advantages * Easy mounting * Space saving * High immunity to external interference. > 1000 100 10 M 10 V k 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 s (UPS) XG L VO E VOH VOT TCG tr Accuracy @ T A = 25C Linearity (0 .. IPN ) Electrical offset voltage, T A = 25C 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 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. |
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