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Closed loop (compensated) current transducer using an extremely accurate zero flux detector
| Primary Current, Measuring Range | (peak limit |
| Secondary Nominal Current | 35 mA |
| Supply Voltage | ±15 V |
| Operating Temperature Range | +10 … +45 °C |
| Primary Nominal RMS Current (IPN) | 8.8 A |
| Secondary Nominal RMS Current (ISN) | 35 mA |
Feed back element in precision current regulated devices (power ... 80 % supplies...), Calibration unit, Precise and high-stability, Energy measurement, Medical equipment.
The ITN 12-P is a closed loop (compensated) current transducer from LEM for the electronic measurement of currents: DC, AC, pulsed..., with galvanic isolation.
It offers excellent accuracy, very good linearity, low temperature drift and wide frequency bandwidth. Typical applications include Feed back element in precision current regulated devices (power ... 80 % supplies...), Calibration unit, Precise and high-stability and Energy measurement.
Key characteristics from the official datasheet: operating temperature +10 … +45 °C; nominal secondary output 35 mA.
| General Information | |
|---|---|
| Manufacturer | LEM |
| Product Series | ITN |
| Product Reference | ITN 12-P |
| Primary Nominal Current | 8.8 A |
| Supply Voltage | ±15 V |
| Measurement | currents: DC, AC, pulsed... |
| Mounting | PCB Mount |
| Application Domain | Industrial and Medical |
| Electrical Data — ITN 12-P | |
|---|---|
| Primary Nominal RMS Current (IPN) | 8.8 A |
| Primary Current, Measuring Range (IPM) | (peak limit |
| Secondary Nominal RMS Current (ISN) | 35 mA |
| Supply Voltage (UC) | ±15 V |
| Current Consumption (IC) | ±15 V ≤ 60 + I mA |
| Insulation Coordination | |
|---|---|
| Impulse Withstand Voltage (1.2/50 µs) UNi | 4.3 kV |
| Creepage Distance (dCp) | 4.7 mm |
| Clearance (dCI) | 3.3 mm |
| Comparative Tracking Index (CTI) | 175 |
| Overvoltage Category / Pollution Degree | Over voltage category III · Pollution degree 2 |
| Environmental & Mechanical Characteristics | |
|---|---|
| Ambient Operating Temperature (TA) | +10 … +45 °C |
| Ambient Storage Temperature (TA st) | −20 … +85 °C |
Note: Specifications are taken from the official ITN 12-P datasheet. Parameters that could not be confirmed from the datasheet are marked UNVERIFIED.
Official technical documentation for the ITN 12-P.
Outline dimensions, pin layout and connection diagrams of the ITN 12-P are shown below.
Note: All dimensions are in millimetres. Refer to the official datasheet for the complete dimension drawing.
Typical applications of the ITN 12-P.
Characteristic curve diagrams are not included in the ITN 12-P datasheet; the relevant characteristics are the accuracy and dynamic performance data listed below.
Note: For the full set of performance data, refer to the datasheet.
Other models of the IT Series share the same measurement principle, mounting concept and output interface family.
