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Closed loop (compensated) current transducer using the Hall effect
| Primary Current, Measuring Range | 0 ... +30 A |
| Supply Voltage | +24 V |
| Operating Temperature Range | −25 ... +55 °C |
| Frequency Bandwidth (BW) | DC ... 1 kHz |
| Creepage Distance (dCp) | 12 mm |
| Clearance (dCI) | 10 mm |
Points condition monitoring, Signal light indication, Battery supplied applications, Uninterruptable Power Supplies (UPS). Application Domain, Track Side.
The PCM 30-P/SP1 is a closed loop (compensated) current transducer from LEM.
It offers excellent accuracy and very good linearity. Typical applications include Points condition monitoring, Signal light indication, Battery supplied applications and Uninterruptable Power Supplies (UPS). Application Domain.
Key characteristics from the official datasheet: frequency bandwidth DC ... 1 kHz; operating temperature −25 ... +55 °C.
| General Information | |
|---|---|
| Manufacturer | LEM |
| Product Series | PCM |
| Product Reference | PCM 30-P/SP1 |
| Supply Voltage | +24 V |
| Measurement | — |
| Mounting | Panel Mount |
| Application Domain | Track Side |
| Electrical Data — PCM 30-P/SP1 | |
|---|---|
| Primary Current, Measuring Range (IPM) | 0 ... +30 A |
| Supply Voltage (UC) | +24 V |
| Accuracy & Dynamic Performance | |
|---|---|
| Frequency Bandwidth (BW) | DC ... 1 kHz |
| Insulation Coordination | |
|---|---|
| Creepage Distance (dCp) | 12 mm |
| Clearance (dCI) | 10 mm |
| Environmental & Mechanical Characteristics | |
|---|---|
| Ambient Operating Temperature (TA) | −25 ... +55 °C |
| Ambient Storage Temperature (TA st) | −25 ... +85 °C |
| Mass (m) | 155 g |
| General Tolerance | ±0.5 mm |
| Standards & Certifications | |
|---|---|
| EN 50155 | Compliance |
| EN 50121-4 | Compliance |
| EN 50121-3-2 | Compliance |
Note: Specifications are taken from the official PCM 30-P/SP1 datasheet. Parameters that could not be confirmed from the datasheet are marked UNVERIFIED.
Official technical documentation for the PCM 30-P/SP1.
Outline dimensions, pin layout and connection diagrams of the PCM 30-P/SP1 are shown below.
| Outline Dimensions & Mechanical Data | |
|---|---|
| General Tolerance | ±0.5 mm |
| Mass | 155 g |
Note: All dimensions are in millimetres. Refer to the official datasheet for the complete dimension drawing.
Typical applications of the PCM 30-P/SP1.
Characteristic curve diagrams are not included in the PCM 30-P/SP1 datasheet; the relevant characteristics are the accuracy and dynamic performance data listed below.
| Accuracy & Dynamic Characteristics | |
|---|---|
| Frequency Bandwidth (BW) | DC ... 1 kHz |
Note: For the full set of performance data, refer to the datasheet.
Other models of the PCM Series share the same measurement principle, mounting concept and output interface family.
