AC Current transducer AK-B420L IPN = 2 .. 200A 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. Electrical data Primary Nominal Current IPN (A.t.RMS) Features Analogue Output Signal1) IOUT (mA) Type RoHS Date Code • AC sinusoïdal measurement • Average responding • Split core box 2,5 4-20 AK 5 B420L JULY 2006 • Current output 10,20,50 4-20 AK 50 B420L MAY 2006 • Loop powered transducers 100,150,200 4-20 AK 200 B420L planned • Panel mounting • Jumper selectable ranges Vc Supply voltage (Loop powered) 24 V DC RL Vb Vd Load resistance see power supply diagram Rated voltage (CAT III, PD2) 150 RMS Isolation voltage test, 50 Hz, 1mn 3 f Frequency bandwith 20-100 VAC kV AC Hz Advantages • Large aperture • High isolation between primary and secondary circuits • Easy to mount Accuracy - Dynamic performance data X Accuracy @ IPN, TA=25°C tr Response time @ 90% of IPN ±1 < 300 % mS General data TA Ambient operating temperature (0-95% RH) -20..+50 °C TS Ambient storage temperature -20..+85 °C m Mass Safety EMC 120 IEC 61010-1 EN 61326 g 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. 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. LEM 060816/7 Page 1/2 www .lem.com Dimensions AK-B420L (unit : mm, 1mm = 0.0394 inch) Power Supply diagram Mechanical characteristics • General tolerance ± 1 mm • Primary aperture 21.7 mm sq. • Panel mounting 2 holes ∅ 4.5mm Distance between holes 77.3 mm 25 20 15 10 Connections 5 • 2 x UNC8 Cylindric Head Remark • Temperature of the primary conductor should not exceed 60°C. 060816/7 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