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| Current Transducers HAZ 4000..20000-SRI 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 = 4000..20000 A IOUT = 0-20 mA (T-RMS DC) Electrical data Primary nominal r.m.s. current IPN (A) 4000 6000 10000 12000 14000 20000 Primary current measuring range IP (A) 4000 6000 10000 12000 14000 20000 Type HAZ HAZ HAZ HAZ HAZ HAZ 4000-SRI 6000-SRI 10000-SRI 12000-SRI 14000-SRI 20000-SRI Features * Hall effect measuring principle * Galvanic isolation between primary * True-rms, 0-20mA DC current output * Isolation voltage 12kV Rms/ 50 Hz * Low power consumption * Package in PBT meeting UL 94-V0 / 1 min and secondary circuit VC IC IOC RIS IOUT ROUT RL Supply voltage ( 5 %) Current consumption Overload capacity Isolation resistance @ 500 VDC Output current @ IPN, TA = 25C Output internal resistance Load resistance 15 V 50 mA 30,000 A > 1000 M 0-20 mA DC approx. 20 < 300 Advantages * Easy mounting * Small size and space savings * Only one design for wide current * High immunity against external interference ratings range Accuracy - Dynamic performance data X L IOE IOM IOT TC G tr f Accuracy @ IPN, TA = 25C (without offset) Linearity error 1) (0 .. IPN) Electrical offset current, TA = 25C, @ IP = 0 Residual offset current @ IP = 0; after an excursion of 1 x IPN Thermal drift of IOE Thermal drift of the gain (% of reading) Response time @ 90% of IPN Frequency range, 3 dB, small signal 2) <1 % < 0.5 % of IPN < 0.08 mA < 0.025 < 0.05%of < 0.05 < 400 mA IPN/K Applications * Battery supplied applications * Uninterruptible Power Supplies * Power supplies for welding and telecom applications. (UPS) %/K ms DC and 15 to 3kHz General data TA TS Ambient operating temperature Ambient storage temperature Housing PBT 30% glassfiber UL94 classification Mass Standards 3) - 25 .. + 85 - 30 .. + 90 C C Application Domain V0 approx. 6 kg EN 50178: 1997 m * Industrial Notes : 1) 2) 3) Linearity data exclude the electrical offset. To avoid excessive core heating. Please consult characterisation report for more technical details and application advice. 060428/4 LEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice. Page 1/3 LEM www.lem.com Current Transducer HAZ 4000..20000-SRI Isolation characteristics Vb Nominal Voltage with IEC 61010-1 standard and following conditions - Single insulation - Over voltage category III - Pollution degree 2 - Heterogeneous field Nominal Voltage with EN 50178 standard and following conditions - Reinforced insulation - Over voltage category III - Pollution degree 2 - Heterogeneous field R.m.s. voltage for AC isolation test, 50/60 Hz, 1 mn R.m.s. voltage for partial discharge extinction @ 10pC Impulse withstand voltage 1.2/50s Creepage distance Clearance distance Comparative Tracking Index (Group IIIa) 2000 V r.m.s. Vb 2000 V r.m.s. Vd Ve Vw dCp dCl CTI 12 >3 27 > 45 > 45 220 kV kV kV mm mm V 060428/4 LEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice. Page 2/3 LEM www.lem.com Dimensions HAZ 4000..20000-SRI (in mm. 1 mm = 0.0394 inch) FUJICON F2023A 6 1 Connection Circuit HAZxxx-SRI 1 +Vc -Vc 0V OUTPUT GND RL< 300 Ohm 6 5 4 3 2 1 50 48 T.P. GND OUTPUT 0V -Vc +Vc HAZ 10000-SRI 250 +/-1.5 235 2 3 4-D6 4 5 160 +/-1.5 65 6 42 1.5 41.5 2 42 +/-1 T.P. (Internal test point used during factory calibrations) 125 162 1 161 162 +/-12 75 Operation Principle 7.5 +Vc 200 M5 Terminal 1...+Vc 2...-Vc 3...0V 4...OUTPUT 5...GND 6...T.P. Output 0V Ip -Vc 50 48 35 General tolerance +/-0.5 Mechanical characteristics * General tolerance * Aperture for primary conductor 0.5 mm 162 mm x 42 mm ( 2 mm) * Transducer fastening 4 x M5 (not supplied) * Recommended fastening torque < 5 Nm * Connection of secondary Fujicon F2023A (6 terminals) Safety 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. 060428/4 Remarks * Temperature of the primary conductor should not exceed 120C. LEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice. Page 3/3 LEM www.lem.com |
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