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| Current Transducer NNC-10..40GFP 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 = 50 .. 600 A Electrical data Primary nominal DC current IPN (A) 100 200 300 400 Primary current measuring range IP (A) 300 600 900 1000 Type Features * Hall effect measuring principle * Galvanic isolation between primary * Isolation voltage 2500V * Low power consumption * Extended measuring range (3 x IPN) and secondary circuit NNC-10GFP NNC-20GFP NNC-30GFP NNC-40GFP VC IC Vd RIS VOUT ROUT 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 Output internal resistance Load resistance 15 <18 2.5 > 1000 4 < 100 10 V mA kV M V k Advantages * Small size and space saving * Only one design for wide current * High immunity to external interference. ratings range Accuracy - Dynamic performance data X L VOE VOH VOT TC G tr Accuracy @ TA = 25C (without offset) Linearity1) (0 .. IPN) Electrical offset voltage, TA = 25C Hysteresis offset voltage @ IP = 0; after an excursion of 1 x IPN Thermal drift of VOE NNC-10GFP NNC-20..40GFP Thermal drift of the gain (% of reading) Response time @ 90% of IP <1 <1 <30 <35 <2 <1 <0.1 <7 % of IPN % of IPN mV mV mV/K mV/K %/K s Applications * AC variable speed drives * Battery supplied applications * Uninterruptible Power Supplies * DC motor drives * Switched Mode Power * Power supplies for welding applications Supplies(SMPS) (UPS) General data TA TS m Ambient operating temperature Ambient storage temperature Mass -10 .. +80 -15 .. +85 50 C C g Notes : 1) Linearity data exclude the electrical offset. 050113/1 LEM Components www.lem.com NNC-10..40GFP 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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