Current Transducer NNC-10..40GFP IPN = 50 .. 600 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 nominal DC current IPN (A) Primary current measuring range IP (A) 100 200 300 400 ± ± ± ± VC IC Vd RIS VOUT ROUT RL 300 600 900 1000 Features Type • Hall effect measuring principle • Galvanic isolation between primary NNC-10GFP NNC-20GFP NNC-30GFP NNC-40GFP 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 Output internal resistance Load resistance ±15 <±18 2.5 > 1000 ±4 < 100 10 and secondary circuit V mA kV MΩ V Ω kΩ • Isolation voltage 2500V • Low power consumption • Extended measuring range (3 x IPN) Advantages • Small size and space saving • Only one design for wide current ratings range • High immunity to external interference. Accuracy - Dynamic performance data X ε Accuracy @ TA = 25°C (without offset) Linearity1) (0 .. ± IPN) Electrical offset voltage, TA = 25°C 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 L VOE VOH VOT TCε G tr <±1 <±1 <±30 % of IPN % of IPN mV <±35 <±2 <±1 <±0.1 <7 mV mV/K mV/K %/K µs Applications • AC variable speed drives • Battery supplied applications • Uninterruptible Power Supplies (UPS) • DC motor drives • Switched Mode Power Supplies(SMPS) • Power supplies for welding applications General data TA TS m Notes : Ambient operating temperature Ambient storage temperature Mass 1) -10 .. +80 -15 .. +85 50 °C °C g 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.