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LA50-SP1 Fiches technique(PDF) 1 Page - LEM |
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LA50-SP1 Fiches technique(HTML) 1 Page - LEM |
1 / 3 page LEM www .lem.com Page 1/3 LEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice. 060911/7 Current Transducer LA 50-S/SP1 For the electronic measurement of currents : DC, AC, pulsed..., with a galvanic isolation between the primary circuit (high power) and the secondary circuit (electronic circuit). Electrical data I PN Primary nominal r.m.s. current 50 A I P Primary current, measuring range 0 .. ± 100 A R M Measuring resistance R M min R Mmax with ± 15 V @ ± 50 A max 0 330 Ω @ ± 100 A max 0 100 Ω I SN Secondary nominal r.m.s. current 25 mA K N Conversion ratio 1 : 2000 V C Supply voltage (± 5 %) ± 15 V I C Current consumption 10 + I S mA Accuracy - Dynamic performance data X G Overall accuracy @ I PN, TA = 25°C ± 0.5 % ε L Linearity error < 0.1 % Typ Max I O Offset current @ I P = 0, TA = 25°C ± 0.1 mA I OT Thermal drift of I O - 10°C .. + 70°C ± 0.2 ± 0.4 mA t r Response time 1) @ 90 % of I PN < 1 µs di/dt di/dt accurately followed > 50 A/µ s f Frequency bandwidth (- 1 dB) DC .. 150 kHz General data T A Ambient operating temperature - 10 .. + 70 °C T S Ambient storage temperature - 25 .. + 85 °C R S Secondary coil resistance @ T A = 70°C 130 Ω m Mass 45 g Standards EN 50178 : 1997 Note : 1) With a di/dt of 50 A/µs. Features • Closed loop (compensated) current transducer using the Hall effect • Insulated plastic case recognized according to UL 94-V0. Special features • I P = 0 .. ± 100 A • K N = 1 : 2000 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 capability. Applications • AC variable speed drives and servo motor drives • 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. I PN = 50 A 0634 |
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Description similaire - LA50-SP1 |
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