AC Current transducer AP-B420L IPN = 10 .. 400 A 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. 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 Features Analogue Output Signal IOUT (mA) 4-20 4-20 4-20 4-20 Load resistance Supply voltage (loop powered) R.m.s. voltage for AC isolation test, 50/60Hz, 1 mn Limitation of output current Type • RMS output • Split core type AP 50 B420L AP 100 B420L AP 200 B420L AP 400 B420L < 350 +24 5 < 25 Ω V DC kV mA • Loop powered 4-20mA current output • DIN mounting & Panel mounting • Eliminates insertion loss • Switch selectable ranges Advantages • Large aperture for cable up to Ø18mm • High isolation between primary and secondary circuits • Easy to mount Accuracy-Dynamic performance data X ε L IOE IOT TC ε G tr f Accuracy @ IPN, TA = 25°C (without offset) Linearity (0 .. ± IPN) Electrical offset current, TA = 25°C 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 µA/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 ±1 mm • Primary aperture • Panel mounting ∅ 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 panel´s thickness. Connections • Wires up to 2 mm ∅ Load 24 VDC P ower 4-20mA Load Resistance vs. Supply Voltage (C o n troller, (+) (+) (-) A P /A P R 30 25 20 15 10 5 0 O u tp u t C o n n e c to r 0 100 200 300 400 Load Resistance 3 n o n e 2 (-) 1 (+) F ront M e te r, e tc ,) Supply Voltage (-) 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.