Current Transducer NNC-920..960A IPN = 2000..6000 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 Primary D.C. current IPN (A) Primary current measuring range IP (A) 2000 3000 4000 5000 6000 VC IC Vd RIS VOUT RL ± ± ± ± ± 2300 3400 4500 5600 6600 Type NNC-920A NNC-930A NNC-940A NNC-950A NNC-960A Supply voltage (±5 %) Current consumption R.m.s. voltage for AC isolation test, 50/60 Hz, 1 mn Isolation resistance @ 500 VDC Output voltage @ ± IPN, RL = 10 kΩ, TA = 25°C Load resistance 2000A-10V 3000A-10V 4000A-10V 5000A-10V 6000A-10V ±15 <±30 2.5 >500 ±10 10 V mA kV MΩ V kΩ <±1 <±1 <±50 % of IPN % of IPN mV <±70 <±2 <±0.1 <25 mV mV/K %/K µs Accuracy - Dynamic performance data X ε L VOE VOH VOT TCε G tr 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 Thermal drift (% of reading) Response time @ 90% of IP Ambient operating temperature Ambient storage temperature Mass • Hall effect measuring principle • Galvanic isolation between primary and secondary circuit • Isolation voltage 2500V • Low power consumption Advantages • Easy to mount • Small size and space saving • Large-current application • High immunity to external interference. General data TA TS m Features -10 .. +50 -15 .. +60 1.7 Applications • AC variable speed drives • Uninterruptible Power Supplies (UPS) • Battery supplied applications • Power supplies for welding applications, cable TV, communication devices • Commutator power supplies • Electric transmission °C °C Kg Notes : 040824/3 LEM Components www.lem.com NNC-920..960A Dimensions (in mm) LEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice.