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| Current Transducer 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 D.C. current IPN (A) 2000 3000 4000 5000 6000 Primary current measuring range IP (A) 2300 3400 4500 5600 6600 Type NNC-920A NNC-930A NNC-940A NNC-950A NNC-960A 2000A-10V 3000A-10V 4000A-10V 5000A-10V 6000A-10V Features * Hall effect measuring principle * Galvanic isolation between primary * Isolation voltage 2500V * Low power consumption and secondary circuit VC IC Vd RIS VOUT RL 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 k, TA = 25C Load resistance 15 <30 2.5 >500 10 10 V mA kV M V k Advantages * Easy to mount * Small size and space saving * Large-current application * High immunity to external interference. Accuracy - Dynamic performance data X L VOE VOH VOT TC G tr Accuracy @ IPN, TA = 25C (without offset) Linearity (0 .. IPN) Electrical offset voltage, TA = 25C 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 <1 <1 <50 <70 <2 <0.1 <25 % of IPN % of IPN mV mV mV/K %/K s Applications * AC variable speed drives * Uninterruptible Power Supplies * Battery supplied applications * Power supplies for welding applications, cable TV, communication devices * Commutator power supplies * Electric transmission (UPS) General data TA TS m Ambient operating temperature Ambient storage temperature Mass -10 .. +50 -15 .. +60 1.7 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. |
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