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| Current Transducer LA 150-P For the electronic measurement of currents: DC, AC, pulsed, mixed, with a galvanic isolation between the primary circuit (high power) and the secondary circuit (electronic circuit). IPN = 150 A 46090 Electrical data IPN DC IPN IPM RM Primary continuous direct current (nominal) 150 A Primary nominal current rms 106 A Primary current, measuring range 0 .. 200 A Measuring resistance TA = 70C TA = 85 C RM mini RM maxi RM mini RM maxi @ 15V, 200 A maxi 0 30 0 15 Secondary current 75 mA Secondary nominal current rms 53 mA Conversion ratio 1 : 2000 Supply voltage ( 5 %) 15 V Current consumption 16 + IS mA Rms voltage for AC isolation test, 50 Hz,1min 2.5 kV Features * Closed loop (compensation) current transducer using the Hall effect * Printed circuit board mounting IS ISN KN VC IC Vd Advantages * * * * * * * Excellent accuracy Very good linearity Low temperature drift Optimized response time Wide frequency bandwidth No insertion losses High immunity to external interference * Current overload capacity Accuracy-Dynamic performance data X L IOE IOM IOT tr di/dt BW Accuracy @ IPN DC, TA = 25C, 15 V ( 5 %) Linearity error (0 .. IPN DC) Electrical offset current @ IP = 0, TA = 25C Magnetic offset current @ IP = 0 and specified RM , after an overload of 1 x IPN DC Temperature variation of IO Response time to 90% of IPN DC step di/dt accurately followed Frequency bandwidth (- 1 dB)1) < 1 % of IPN DC 0.25% of IPN DC < 0.2 mA < 0.15 mA < 0.005 mA <1 s > 200 A/s DC .. 150 kHz Applications * AC variable speed drives and servo motor drives General data TA TS RS m Ambient operating temperature Ambient storage temperature Secondary coil resistance Mass Standards - 10 .. + 80 C - 15 .. + 85 C 80 25 g EN 50178: 1997 * Static converters for DC motor drives * Battery supplied applications * Uninterruptible Power Supplies (UPS) * Switched Mode Power Supplies (SMPS) * Power supplies for welding applications Application Domain * Industrial Notes : 1) Derating is needed to avoid excessive core heating at high frequency. Page 1/2 061110/7 LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice. www.lem.com Dimensions LA 150-P (in mm. 1 mm = 0.0394 inch) Bottom view Left view Front view General tolerance Primary through-hole Mechanical characteristics Fastening & connection of secongary * General tolerance Recommended PCB hole 0.2 mm * Primary through-hole 13 x 8.5 mm * Fastening & connection of secondary 3 pins Recommended PCB hole 0.7 x 0.7 mm 1.0 mm +/- 0.2 mm 13 x 8.5 mm Safety 3 pins 0.7 x 0.7 mm 1.0 mm This transducer must be used in electric/electronic equipment with respect to applicable standards and safety requirements in accordance with the following manufacturer's operating instructions. Caution, risk of electrical shock When operating the transducer, certain parts of the module can carry hazardous voltage (eg. primary busbar, power supply). Ignoring this warning can lead to injury and/or cause serious damage. This transducer is a built-in device, whose conducting parts must be inaccessible after installation. A protective housing or additional shield could be used. Main supply must be able to be disconnected. Page 2/2 061110/7 LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice. www.lem.com |
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