LA200-P

Current Transducer LA 200-P 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). IPN = 200 A 16044 Electrical data I PN IP RM Primary nominal r.m.s. current Primary current, measuring range Measuring resistance @ with ± 12 V with ± 15 V I SN KN VC IC Vd Vb Ve VW X @ ± 200 A max @ ± 250 A max @ ± 200 A max @ ± 300 A max 200 0 .. ± 300 TA = 70°C TA = 85°C R M min R M max R M min R M max 0 0 0 0 30 8 60 12 0 0 0 0 26 4 56 8 A A Features • Closed loop (compensated) current transducer using the Hall effect Ω Ω Ω Ω mA V mA kV V V kV kV • Printed circuit board mounting • Insulated plastic case recognized according to UL 94-V0. Secondary nominal r.m.s. current Conversion ratio Supply voltage (± 5 %) Current consumption R.m.s. voltage for AC isolation test, 50 Hz, 1 mn R.m.s. rated voltage, 1) safe separation basic isolation R.m.s. voltage for partial discharge extinction Impulse withstand voltage 1.2/50 µs 100 1 : 2000 ± 12 .. 15 16 (@ ± 15 V) + IS 3 900 450 > 1.8 >8 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. Accuracy - Dynamic performance data Accuracy @ IPN , TA = 25°C L ε @ ± 15 V (± 5 %) @ ± 12 .. 15 V (± 5 %) Linearity error Offset current @ IP = 0, TA = 25°C Residual current 2) @ IP = 0, after an overload of 3 x IPN Thermal drift of IO 0°C .. + 70°C - 40°C .. + 85°C Reaction time @ 10 % of IP max Response time 3) 4) @ 90 % of IP max di/dt accurately followed 4) Frequency bandwidth 4) (- 1 dB) ± 0.40 ± 0.65 < 0.15 Max ± 0.20 ± 0.25 ± 0.10 ± 0.25 ± 0.15 ± 0.55 < 500 200 DC .. 100 Typ % % % mA mA mA mA ns µs A/µs kHz Applications • AC variable speed drives and servo motor drives IO IOM I OT t ra tr di/dt f • Static converters for DC motor drives • Battery supplied applications • Uninterruptible Power Supplies (UPS) • Switched Mode Power Supplies (SMPS) • Power supplies for welding applications. General data TA TS RS m Notes : Ambient operating temperature Ambient storage temperature Secondary coil resistance @ Mass Standards 1) 3) TA = 70°C TA = 85°C - 40 .. + 85 °C - 40 .. + 90 °C 76 Ω 80 Ω 40 g EN 50178 : 1997 Application Domain • Industrial. Pollution class 2 2) The result of the coercive field of the magnetic circuit With a di/dt of 100 A/µs 4)The primary conductor is best filling the through-hole and/or the return of the primary conductor is above the top of the transducer. LEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice. 060303/12 Page 1/2 LEM w w w .lem.com Dimensions LA 200-P (in mm. 1 mm = 0.0394 inch) Bottom view Left view Model + N°SP Connection Front view Mechanical characteristics • General tolerance ± 0.2 mm • Primary through-hole 17 x 11 mm • Fastening & connection of primary 4 pins 0.63 x 0.56 mm Recommended PCB hole • Supplementary fastening Recommended PCB hole Recommended screws 0.9 mm 2 holes ∅ 1.75 mm 2.4 mm PT KA 22 x 6 Remarks • IS is positive when IP flows in the direction of the arrow. • Temperature of the primary conductor should not exceed 90°C. • Dynamic performances (di/dt and response time) are best with a primary bar in low position in the through-hole. • In order to achieve the best magnetic coupling, the primary windings have to be wound over the top edge of the device. • This is a standard model. For different versions (supply voltages, turns ratios, unidirectional measurements...), please contact us. 060303/12 LEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice. Page 2/2 LEM w w w .lem.com