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Closed loop (compensated)
| Primary Current, Measuring Range | (@ ± 24V) 0 |
| Supply Voltage | ± 15 .. 24 V |
| Operating Temperature Range | - 40 (- 50) 3 |
| Current Consumption (IC) | 28 (@ ± 24 V) + I S mA shielded cable |
| Primary nominal r.m.s. current (I) | 500 A |
| Overload capability during (Î) | 10 ms 40 kA |
UNVERIFIED
The LA 305-S/SP19 is a closed loop (compensated) current transducer from LEM.
It offers excellent accuracy, very good linearity, low temperature drift and wide frequency bandwidth. Typical applications include UNVERIFIED.
Key characteristics from the official datasheet: frequency bandwidth DC .. 100 kHz; operating temperature - 40 (- 50) 3.
| General Information | |
|---|---|
| Manufacturer | LEM |
| Product Series | LA |
| Product Reference | LA 305-S/SP19 |
| Supply Voltage | ± 15 .. 24 V |
| Measurement | — |
| Mounting | — |
| Application Domain | — |
| Electrical Data — LA 305-S/SP19 | |
|---|---|
| Primary Current, Measuring Range (IPM) | (@ ± 24V) 0 |
| Supply Voltage (UC) | ± 15 .. 24 V |
| Current Consumption (IC) | 28 (@ ± 24 V) + I S mA shielded cable |
| Primary nominal r.m.s. current (I) | 500 A |
| Primary current, measuring range (@ ± 24V) (I) | 0 .. ± 1000 A |
| Overload capability during (Î) | 10 ms 40 kA |
| Secondary nominal r.m.s. current (I) | 142.8 mA |
| Supply voltage (± 5 %) (V) | ± 15 .. 24 V |
| R.m.s. voltage for AC isolation test, 50 Hz, 1 mn (V) | 6 kV |
| R.m.s. voltage for partial discharges extinction @ 10 pC (V) | < 2.8 kV |
| Accuracy & Dynamic Performance | |
|---|---|
| Frequency Bandwidth (BW) | DC .. 100 kHz |
| Linearity | < 0.1 % |
| Thermal drift of I (I) | - 40°C .. + 70°C ± 0.30 ± 0.60 mA |
| Frequency bandwidth (- 3 dB) (f) | DC .. 100 kHz |
| Environmental & Mechanical Characteristics | |
|---|---|
| Ambient Operating Temperature (TA) | - 40 (- 50) 3 |
| Ambient Storage Temperature (TA st) | - 50 .. + 90 |
| Ambient operating temperature - 40 (- 50) (T) | .. + 85 °C |
| Ambient storage temperature (T) | - 50 .. + 90 °C |
| Mass (m) | 350 g |
| Standards & Certifications | |
|---|---|
| EN | |
| Standards EN | 50155 |
Note: Specifications are taken from the official LA 305-S/SP19 datasheet. Parameters that could not be confirmed from the datasheet are marked UNVERIFIED.
Official technical documentation for the LA 305-S/SP19.
Outline dimensions, pin layout and connection diagrams of the LA 305-S/SP19 are shown below.
Note: All dimensions are in millimetres. Refer to the official datasheet for the complete dimension drawing.
Typical applications of the LA 305-S/SP19.
Characteristic curve diagrams are not included in the LA 305-S/SP19 datasheet; the relevant characteristics are the accuracy and dynamic performance data listed below.
| Accuracy & Dynamic Characteristics | |
|---|---|
| Frequency Bandwidth (BW) | DC .. 100 kHz |
| Linearity | < 0.1 % |
| Frequency bandwidth (- 3 dB) (f) | DC .. 100 kHz |
Note: For the full set of performance data, refer to the datasheet.
Other models of the LA 205 305 -S -T share the same measurement principle, mounting concept and output interface family.
