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Closed loop (compensated) current transducer
| Supply Voltage | (−30 %/+25 %) 0 / −48 V |
| Operating Temperature Range | −25 … +70 °C |
| Creepage Distance (dCp) | 58.5 mm |
| Comparative Tracking Index (CTI) | 290 |
| Ambient Operating Temperature (TA) | −25 … +70 °C |
| Ambient Storage Temperature (TA st) | −40 … +85 °C |
Closed loop (compensated) current transducer, Insulating plastic case recognized according to UL 94-V0. Special features, I = 1 A (out2) and 16 A (out1), 2 output signals “closed (0 V)/ open” supplying 2 relays, Connection to secondary circuit, Cable shield connected on heatsink. Advantages, Low temperature drift, No insertion losses, High immunity to external interference, Current overload capability. Application, Leakage current detection. Application Domain, Railway (fixed installations and onboard).
The CD 1000-S/SP8 is a closed loop (compensated) current transducer from LEM for the electronic measurement of leakage currents: DC, AC, with galvanic isolation.
It offers low temperature drift. Typical applications include Closed loop (compensated) current transducer, Insulating plastic case recognized according to UL 94-V0. Special features, I = 1 A (out2) and 16 A (out1) and 2 output signals “closed (0 V)/ open” supplying 2 relays.
Key characteristics from the official datasheet: total error ±15 %; operating temperature −25 … +70 °C.
| General Information | |
|---|---|
| Manufacturer | LEM |
| Product Series | CD |
| Product Reference | CD 1000-S/SP8 |
| Supply Voltage | (−30 %/+25 %) 0 / −48 V |
| Measurement | leakage currents: DC, AC |
| Mounting | Busbar Mount |
| Application Domain | Railway (fixed installations and onboard) |
| Electrical Data — CD 1000-S/SP8 | |
|---|---|
| Supply Voltage (UC) | (−30 %/+25 %) 0 / −48 V |
| Accuracy & Dynamic Performance | |
|---|---|
| Total Error (εtot) @ IPN | ±15 % |
| Insulation Coordination | |
|---|---|
| Creepage Distance (dCp) | 58.5 mm |
| Comparative Tracking Index (CTI) | 290 |
| Environmental & Mechanical Characteristics | |
|---|---|
| Ambient Operating Temperature (TA) | −25 … +70 °C |
| Ambient Storage Temperature (TA st) | −40 … +85 °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 1000-S/SP8 datasheet. Parameters that could not be confirmed from the datasheet are marked UNVERIFIED.
Official technical documentation for the CD 1000-S/SP8.
Outline dimensions, pin layout and connection diagrams of the CD 1000-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 1000-S/SP8.
Characteristic curve diagrams are not included in the CD 1000-S/SP8 datasheet; the relevant characteristics are the accuracy and dynamic performance data listed below.
| Accuracy & Dynamic Characteristics | |
|---|---|
| Total Error (εtot) @ IPN | ±15 % |
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.
