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Closed loop (compensated) current transducer
| Supply Voltage | ±15 V |
| Operating Temperature Range | −40 … +85 °C |
| Isolation Test Voltage | 6 kV |
| Primary Nominal RMS Current (IPN) | 2 × 100 A |
| RMS Voltage for AC Insulation Test (50 Hz, 1 min) Ud | 6 kV |
| Creepage Distance (dCp) | 50 mm |
Closed loop (compensated) current transducer, Insulating plastic case recognized according to UL 94-V0. Special features, I = 0 ... ±1 A, T = −40 … +85 °C. Advantages, Excellent accuracy, Very good linearity, Low temperature drift, Optimized delay time, Wide frequency bandwidth, No insertion losses, High immunity to external interference, Current overload capability. Application, Railway security systems. Application Domain, Railway (fixed installations and onboard).
The CD 100-S/SP8 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 Closed loop (compensated) current transducer, Insulating plastic case recognized according to UL 94-V0. Special features, I = 0 ... ±1 A and T = −40 … +85 °C. Advantages.
Key characteristics from the official datasheet: total error ±3 %; operating temperature −40 … +85 °C.
| General Information | |
|---|---|
| Manufacturer | LEM |
| Product Series | CD |
| Product Reference | CD 100-S/SP8 |
| Primary Nominal Current | 2 × 100 A |
| Supply Voltage | ±15 V |
| Measurement | — |
| Mounting | Busbar Mount |
| Application Domain | Railway (fixed installations and onboard) |
| Electrical Data — CD 100-S/SP8 | |
|---|---|
| Primary Nominal RMS Current (IPN) | 2 × 100 A |
| Supply Voltage (UC) | ±15 V |
| Accuracy & Dynamic Performance | |
|---|---|
| Total Error (εtot) @ IPN | ±3 % |
| Insulation Coordination | |
|---|---|
| RMS Voltage for AC Insulation Test (50 Hz, 1 min) Ud | 6 kV |
| Creepage Distance (dCp) | 50 mm |
| Environmental & Mechanical Characteristics | |
|---|---|
| Ambient Operating Temperature (TA) | −40 … +85 °C |
| Ambient Storage Temperature (TA st) | −45 … +95 °C |
| Case Material | Insulating plastic case recognized according to UL 94-V0. |
| General Tolerance | ±0.5 mm |
| Standards & Certifications | |
|---|---|
| EN 50155 | Compliance |
Note: Specifications are taken from the official CD 100-S/SP8 datasheet. Parameters that could not be confirmed from the datasheet are marked UNVERIFIED.
Official technical documentation for the CD 100-S/SP8.
Outline dimensions, pin layout and connection diagrams of the CD 100-S/SP8 are shown below.
| Outline Dimensions & Mechanical Data | |
|---|---|
| General Tolerance | ±0.5 mm |
| Case Material | Insulating plastic case recognized according to UL 94-V0. |
Note: All dimensions are in millimetres. Refer to the official datasheet for the complete dimension drawing.
Typical applications of the CD 100-S/SP8.
Characteristic curve diagrams are not included in the CD 100-S/SP8 datasheet; the relevant characteristics are the accuracy and dynamic performance data listed below.
| Accuracy & Dynamic Characteristics | |
|---|---|
| Total Error (εtot) @ IPN | ±3 % |
Note: For the full set of performance data, refer to the datasheet.
Other models of the CD Series share the same measurement principle, mounting concept and output interface family.
