Current Transducer HA 10 to 25-NP/SP2 I = 5 .. 25 A PN For the electronic measurement of DC, AC and pulsed currents, with a galvanic isolation between the primary (high power) circuit and the secondary (electronic) circuit. Electrical data Primary Nominal Primary Current Rms current I (A) measuring range I (A) PN P Features Primary terminal connections Series Parallel Series Parallel HA 10-NP/SP2 ± 5 ± 10 0 .. ± 10 0 .. ± 20 • Open loop transducer using Hall HA 25-NP/SP2 ± 12.5 ± 25 0 .. ± 25 0 .. ± 50 Effect • Printed circuit board mounting Î Overload capacity (1 ms) 50 x I A P PN • Insulated plastic case to UL 94-V0 V Analogue output voltage @ I = 0 + 2.5 V OUT P • Externally programmable for Analogue output voltage @ I = ± I + 2.5 ± 1 V P PN desired rating R Load resistance > 2 kΩ L • Galvanic isolation between primary V Supply voltage (± 5 %) + 15 V C windings. I Current consumption (max) < 20 mA C 1) V Rms rated voltage 500 V b Advantages V Rms voltage for AC isolation test, 50 Hz, 1 mn d Primary to secondary 2.5 kV • Very good linearity 2) Primary 1 to primary 2 1kV • Very good accuracy R Isolation resistance @ 500 V > 500 MΩ is DC • Low temperature drift • Wide frequency bandwidth Accuracy - Dynamic performance data • Very low insertion losses 3) • High immunity to external X Accuracy @ I , T = 25°C, @ + 15 V ± 1 % PN A 3) interference ε ε ε Linearity ± 1 % ε ε L • Current overload capability Max • Low power consumption V Electrical offset voltage @ I = 0, T = 25°C + 2.5 V ± 50 mV OE P A • Wide dynamic range, 5 to 50 A in one V Residual offset voltage @ I = 0 OM P package after an overload of 3 x I ± 5.5 mV PN • Easy to mount with automated V Thermal drift of offset voltage T = - 10 .. + 80°C ± 1.5 mV/°K OT A handling systems. TCε ε ε Thermal drift of gain T = - 10 .. + 80°C ± 0.07 %/°K ε ε G A t Response time @ 90 % of I < 3 μs r P Applications di/dt di/dt accurately followed > 50 A/μs 4) f Frequency bandwidth (- 3 dB) DC .. 50 kHz • AC variable speed drives and servo motor drives General data • Static converters for DC motor drives T Ambient operating temperature - 10 .. + 80 °C A • Battery supplied applications T Ambient storage temperature - 25 .. + 85 °C S • Uninterruptable Power Supplies m Mass 10 g (UPS) 5) Standards EN50178 (1994) • Switched Mode Power Supplies 1) (SMPS) Notes : Overvoltage Category III, Pollution Degree 2 2) • Power supplies for welding Primary 1 is between A and B, primary 2 is between C and D 3) applications. Excludes the electrical offset 4) Refer to derating curves in the technical file to avoid excessive core heating at high frequency 5) HANP2980903/1 Please consult characterisation report for more technical details and application advice. LEM Components www.lem.com Dimensions HA 10 to 25-NP/SP2 (in mm. 1 mm = 0.0394 inch) Bottom view Left view Primary connections Series A: I in P D: I out P Connect B to C Parallel A + C : I in P B + D : I out P Isolated primary A : Primary 1 I in P B : Primary 1 I out P C : Primary 2 I in P D : Primary 2 I out P Front view Secondary terminals Terminal 1 : NC Terminal 2 : 0V Terminal 3 : supply voltage + 15 V Terminal 4 : output Mechanical characteristics Remarks • General tolerance ± 0.5 mm • V is positive when I flows in the direction of the arrow. OUT P • Fastening & connection of primary • This is a standard model. For different versions (supply HA 10-NP/SP2 4 pins Ø 0.71 mm voltages, secondary connections, unidirectional measure- HA 25-NP/SP2 4 pins Ø 1.4 mm ments, operating temperatures, etc.) please contact us. Recommended pcb hole HA 10-NP/SP2 4 pins Ø 1 mm HA 25-NP/SP2 4 pins Ø 1.8 mm • Fastening & connection of secondary 4 pins Ø 0.51 x 0.25 mm Recommended pcb hole Ø 1 mm LEM have a policy of continual product improvement and the company reserves the right to revise the above specification without prior notice.