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| AC Current transducer AP-B420L Split core transducer for the electronic measurement AC waveforms current, with galvanic isolation between the primary (High power) and the secondary circuits (Electronic circuit). Switch selectable ranges and RMS 4-20mA current output. IPN = 10 .. 400 A Preliminary Electrical data Primary Nominal Current IPN (A.t.RMS) 10,25,50 50,75,100 100,150,200 200,300,400 RL VC Vd Analogue Output Signal IOUT (mA) 4-20 4-20 4-20 4-20 Type Features * RMS output * Split core type * Loop powered 4-20mA current output * DIN mounting & Panel mounting * Eliminates insertion loss * Switch selectable ranges AP 50 B420L AP 100 B420L AP 200 B420L AP 400 B420L < 350 +24 5 < 25 V DC kV mA Load resistance Supply voltage (loop powered) R.m.s. voltage for AC isolation test, 50/60Hz, 1 mn Limitation of output current Advantages * Large aperture for cable up to O18mm * High isolation between primary and secondary circuits * Easy to mount Accuracy-Dynamic performance data X L IOE IOT TC G tr f Accuracy @ IPN, TA = 25C (without offset) Linearity (0 .. IPN) Electrical offset current, TA = 25C Thermal drift of IOE Thermal drift of the gain (% of reading) Response time @ 90% of IP Frequency bandwidth (-3 dB) < 1 % of IPN < 0.5 % of IPN 4 mA 1 A/K 0.1 %/K < 500 ms 10 .. 6000 Hz Applications * Automation systems Analog current reading for remote monitoring (e.g. motor) and software alarms. * Panelmeters Simple connection displays power consumption. General data TA TS m Ambient operating temperature Ambient storage temperature Mass Protection type Reliable isolation according to EN50178, EN61010 Creepage distance EMC in accordance with EN50082-2 Plastic according to UL94V0, CTI 1 -20 .. +60 C -20 .. +85 C 90 g IP20 300 V AC > 5.5 mm Notes : Installation and maintenance should be done with power supply disconnected. 030708/0 LEM Components www.lem.com Dimensions AP(R)-B420L (unit : mm, 1mm = 0.0394 inch) Mechanical characteristics * General tolerance * Primary aperture * Panel mounting 1 mm 18.5 mm 2 holes 4.0 mm * Distance between holes 40.0 mm For panel mounting, replace M4 screws by new one (not supplied) with appropriate length to panels thickness. Connections * Wires up to 2 mm 24 VDC P ower 4-20mA Load (C o n troller, (+) (-) M e te r, e tc ,) Load Resistance vs. Supply Voltage (-) (+) 30 Supply Voltage 25 20 15 10 5 0 0 100 200 Load Resistance 300 400 A P /A P R O u tp u t C o n n e c to r 3 n o n e 2 (-) 1 (+) F ront R a n g e S w itc h LEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice. |
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