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LA205-S Arkusz danych(PDF) 1 Page - LEM |
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1 / 2 page Current Transducer LA 205-S 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 .. ± 300 A Î P max Measuring overload 1) 600 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 68 0 66 Ω @ ± 300 A max 0 33 0 30 Ω with ± 15 V @ ± 200 A max 5 95 5 93 Ω @ ± 300 A max 5 50 5 49 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 20 (@ ± 15 V) + I S mA V b R.m.s rated voltage 2), safe separation 1625 V basic isolation 3250 V Accuracy - Dynamic performance data X G Overall accuracy @ I PN , TA = 25°C ± 0.8 % ε L Linearity < 0.1 % Typ Max I O Offset current @ I P = 0, TA = 25°C ± 0.15 mA I OM Residual current 3) @ I P = 0, after an overload of 3 x IPN ± 0.50 mA I OT Thermal drift of I O - 10°C .. + 85°C ± 0.15 ± 0.30 mA t ra Reaction time @ 10 % of I PN < 500 ns t r Response time 4) @ 90 % of I PN < 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 - 10 .. + 85 °C T S Ambient storage temperature - 40 .. + 90 °C R S Secondary coil resistance @ T A = 70°C 35 Ω T A = 85°C 37 Ω m Mass 110 g Standards 5) EN 50178 Notes : 1) 3 mn/hour @ V C = ± 15 V, R M = 5 Ω 2) Pollution class nr 2. W ith a non insulated primary bar which fills the through-hole 3) The result of the coercive field of the magnetic circuit 4) With a di/dt of 100 A/µs 5) 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 • Patent pending. 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 020711/6 LEM Components www .lem.com |
Podobny numer części - LA205-S |
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Podobny opis - LA205-S |
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