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| AC Current transducer AK-B420L A Split Core transducer for the electronic measurement AC sinusoidal waveforms current, with galvanic isolation between the primary (High power) and the secondary circuits (Electronic circuit). Jumper selectable ranges and 4-20mA current output. IPN = 2 .. 200A Electrical data Primary Nominal Current IPN (A.t.RMS) 2,5 10,20,50 100,150,200 Vc RL Vb Vd f Analogue Output Signal1) IOUT (mA) 4-20 4-20 4-20 Type RoHS Date Code JULY 2006 MAY 2006 planned V DC VAC kV AC Hz Features * AC sinusoidal measurement * Average responding * Split core box AK 5 B420L AK 50 B420L AK 200 B420L 24 * Current output * Loop powered transducers * Panel mounting * Jumper selectable ranges Supply voltage (Loop powered) Load resistance see power supply diagram Rated voltage (CAT III, PD2) 150 RMS Isolation voltage test, 50 Hz, 1mn 3 Frequency bandwith 20-100 Advantages * Large aperture * High isolation between primary and secondary circuits * Easy to mount Accuracy - Dynamic performance data X tr Accuracy @ IPN, TA=25C Response time @ 90% of IPN 1 < 300 % mS Applications * Automation systems Analog current reading for remote monitoring (e.g. motor). * Data loggers Self-powered transducer does not drain data logger batteries. * Panel meters Simple connection displays power consumption. General data TA TS m Ambient operating temperature (0-95% RH) Ambient storage temperature Mass Safety EMC -20..+50 -20..+85 120 IEC 61010-1 EN 61326 C C g Options on request Note : 1) For 4-20mA output model, no saturation output up to 25mA. * DIN mounting LEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice. 060816/7 Page 1/2 LEM www .lem.com Dimensions AK-B420L (unit : mm, 1mm = 0.0394 inch) Mechanical characteristics * General tolerance * Primary aperture * Panel mounting Distance between holes 1 mm 21.7 mm sq. 2 holes 4.5mm 77.3 mm 25 20 15 10 Power Supply diagram Connections * 2 x UNC8 Cylindric Head 5 Remark * Temperature of the primary conductor should not exceed 60C. 060816/7 LEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice. Page 2/2 LEM www .lem.com |
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