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LF205P Arkusz danych(PDF) 1 Page - LEM |
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LF205P Arkusz danych(HTML) 1 Page - LEM |
1 / 2 page Current Transducer LF 205-P/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 200 A I P Primary current, measuring range 0 .. ± 420 A R M Measuring resistance @ T A = 70°C T A = 85°C R M min RM max RM min RM max with ± 12 V @ ± 200 A max 0 71 0 69 Ω @ ± 420 A max 0 14 0 12 Ω with ± 15 V @ ± 200 A max 0 100 23 98 Ω @ ± 420 A max 0 28 23 26 Ω I SN Secondary nominal r.m.s. current 100 mA K N Conversion ratio 1 : 2000 V C Supply voltage (± 5 %) ± 12 .. 15 V I C Current consumption @ ± 15V 17 + I S mA V d R.m.s. voltage for AC isolation test, 50 Hz, 1 mn 3.5 kV Accuracy - Dynamic performance data X G Overall accuracy @ I PN , TA = 25°C ± 0.5 % ε L Linearity < 0.1 % Typ Max I O Offset current @ I P = 0, TA = 25°C ± 0.2 mA I OM Residual current 1) @ I P = 0, after an overload of 3 x IPN ± 0.1 mA I OT Thermal drift of I O - 40°C .. + 85°C ± 0.12 ± 0.4 mA t ra Reaction time @ 10 % of I P max < 500 ns t r Response time2) @ 90 % of I P max < 1 µs di/dt di/dt accurately followed > 100 A/µs f Frequency bandwidth (- 3 dB) DC .. 100 kHz General data T A Ambient operating temperature - 40 .. + 85 °C T S Ambient storage temperature - 40 .. + 90 °C R S Secondary coil resistance @ T A = 70°C 33 Ω @ T A = 85°C 35 Ω m Mass 58 g Standards 3) EN 50178 Notes : 1) The result of the coercive field of the magnetic circuit 2) With a di/dt of 100 A/µs 3) A list of corresponding tests is available. Features • Closed loop (compensated) current transducer using the Hall effect • Insulated plastic case recognized according to UL 94-V0. Special features • Mounting clips molded into the transducer housing, attach to printed circuit boards 1.6mm thick. 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. I PN = 200 A 011120/2 LEM Components www.lem.com |
Podobny numer części - LF205P |
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Podobny opis - LF205P |
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