AC Current transducer AK-C420L IPN = 2 .. 200 A 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. Electrical data Primary Nominal Current IPN (A.t.RMS) Features Analogue Output Signal1) IOUT (mA) 2, 5 10, 20, 50 100, 150, 200 4-20 4-20 4-20 Type AK 5 C420L AK 50 C420L AK 200 C420L Vc RL Supply voltage (Loop powered) Load resistance 24 see power supply diagram Vb Vd Rated voltage (CAT III, PD2) RMS Isolation voltage test, 50 Hz, 1mn 150 3 f Frequency bandwith 20-100 RoHS Date Code • AC sinusoïdal Measurement MAY 2006 MAY 2006 planned • Loop powered transducers • Panel mounting • Average responding • Current output • Accurate • Jumper selectable ranges V DC V AC kV AC Hz Advantages • Large aperture • High isolation between primary and secondary circuits • Easy to mount Accuracy - Dynamic performance data Applications X Accuracy @ IPN, TA=25°C ±1 % tr Response time @ 90% of IPN < 300 ms General data TA TS Ambient operating temperature (0-95% RH) Ambient storage temperature -20..+50 -20..+85 °C °C m Mass Safety 120 IEC 61010-1 g EMC EN 61326 Note: 1) For 4-20mA output model, no saturation output up to 25 mA. • 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. Options on request • DIN mounting LEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice. LEM 060512/6 Page 1/2 www.lem.com Dimensions AK-C420L (unit : mm, 1mm = 0.0394 inch) 61.0 49 24.5 55.4 19 3.2 23.5 23.7 88.9 15 4.5 39 78 Remark Mechanical characteristics • General tolerance • Primary aperture ± 1 mm 19 mm • Panel mounting Distance between holes 2 holes ∅ 4.5mm 78 mm Connections • 2 x UNC8 Cylindric Head • Temperature of the primary conductor should not exceed 60°C. Power Supply diagram 25 20 15 10 5 060512/6 LEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice. LEM Page 2/2 www.lem.com