AC Current transducer AP-B420L I = 10 .. 400 A PN Split-core transducer for the electronic measurement of AC sinusoidal waveform currents, with galvanic isolation between the primary circuit (high power) and the secondary circuit (electronics). Switch selectable measuring ranges and RMS 4-20mA current output (loop powered). Electrical data Features Primary Nominal Current Output Current Type RoHS since I (A.t.rms) I (mA) date code PN OUT RMS output (average) 10,25,50 4-20 AP 50 B420L 47129 Split-core type 50,75,100 4-20 AP 100 B420L 47113 Loop powered 4-20mA current output 100,150,200 4-20 AP 200 B420L 47150 DIN rail or Panel mounting 200,300,400 4-20 AP 400 B420L 47150 Switch selectable measuring ranges 1) R Load resistance, with V = + 24 V DC < 350 L C Isolated plastic case recognized V Supply voltage (loop powered) + 12 .. 24 V DC C according to UL94-V0. 2) I Output current limitation < 25 mA SL 3) Overload capability no limitation P Advantages Accuracy-Dynamic performance data Large aperture for cable up to 18mm X Accuracy I , T = 25C (excluding offset) < 1 % of I PN A PN High isolation between primary and e Linearity error (0 .. I ) < 0.5 % of I L PN PN secondary circuits I Electrical offset current T = 25C 4 mA OE A Eliminates insertion loss TCI Temperature coefficient of I 1 A/K OE OE Easy installation TCI Temperature coefficient of I (% of reading) 0.1 %/K OUT OUT t Response time to 90 % of I step < 150 m s r PN BW Frequency bandwidth ( 1 %) 30 .. 2000 Hz Applications Automation systems Load Resistance v s. Supply Voltage 1) Analog current reading for remote Notes : Max. Load Resistance vs. Supply Voltage monitoring (e.g. motor) and 30 software alarms. Panel meters 25 Simple connection to power 20 consumption displays. 15 10 Application domain 5 Energy and Automation 0 0 50 100 150 200 250 300 350 400 Load Resistance 2) The output current will never exceed this value for safety and protection reasons. The output value is not valid when measuring above the primary nominal current value. 3) Although the transducer can withstand very high currents, the measuring performance specified in the datasheet is valid within the 4-20 mA output range only. Page 1/4 LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice. 071022/6 www.lem.com Supply VoltageCurrent Transducer AP-B420L General data T Ambient operating temperature - 20 .. + 60 C A T Ambient storage temperature - 20 .. + 85 C S m Mass 90 g IPxx Protection degree IP20 Isolation characteristics 4) V Rated isolation voltage rms 300 V b with IEC 61010-1 standards and following conditions : - Reinforced isolation - Over voltage category CAT III - Pollution degree PD2 - Heterogeneous field 5) V Rms voltage for AC isolation test , 50 Hz, 1min 5 kV d V Partial discharge extinction voltage rms 10 pC 1.5 kV e V Impulse withstand voltage 1.2/50 s 6.1 kV w dCp Creepage distance 5.5 mm dCl Clearance distance 5.5 mm CTI Comparative tracking index (Group I) 600 4) Notes : If insulated cable is used for the primary circuit, the voltage category could be improved according to the insulation characteristics given by the cable manufacturer. e.g. Cable insulation (primary) Category HAR 05 600V CAT III HAR 07 1000V CAT III 5) Between primary (completely filling the aperture) and secondary. Page 2/4 LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice. 071022/6 www.lem.com