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Open loop current transducer
| Primary Current, Measuring Range | ± 150 mA |
| Supply Voltage | 3.26 .. 3.33 V |
| Operating Temperature Range | −40 .. 85 °C |
| Isolation Test Voltage | 3.3 kV |
| Primary Nominal RMS Current (IPN) | 70 mA |
| Current Consumption (IC) | 50 mA |
UL 2231-2: 2012, Leakage current measurement in an IC-CPD in-cable (mode 2) and for wall boxes (mode 3) contact and protection device, Single phase nominal current up to ±32 A RMS.
The CDSR 0.07-NP is an open loop current transducer from LEM for the electronic measurement of current, with galvanic isolation.
Typical applications include UL 2231-2: 2012, Leakage current measurement in an IC-CPD in-cable (mode 2) and for wall boxes (mode 3) contact and protection device and Single phase nominal current up to ±32 A RMS.
Key characteristics from the official datasheet: linearity error ± 0.5 mA; frequency bandwidth 2 kHz; operating temperature −40 .. 85 °C.
| General Information | |
|---|---|
| Manufacturer | LEM |
| Product Series | CDSR |
| Product Reference | CDSR 0.07-NP |
| Primary Nominal Current | 70 mA |
| Supply Voltage | 3.26 .. 3.33 V |
| Measurement | current |
| Mounting | PCB Mount |
| Application Domain | — |
| Electrical Data — CDSR 0.07-NP | |
|---|---|
| Primary Nominal RMS Current (IPN) | 70 mA |
| Primary Current, Measuring Range (IPM) | ± 150 mA |
| Supply Voltage (UC) | 3.26 .. 3.33 V |
| Current Consumption (IC) | 50 mA |
| Accuracy & Dynamic Performance | |
|---|---|
| Linearity Error (εL) | ± 0.5 mA |
| Electrical Offset Current (IO) | 2 mA |
| Delay Time (tD) | 1 ms |
| Frequency Bandwidth (BW) | 2 kHz |
| Insulation Coordination | |
|---|---|
| RMS Voltage for AC Insulation Test (50 Hz, 1 min) Ud | 3.3 kV |
| Impulse Withstand Voltage (1.2/50 µs) UNi | 6 kV |
| Creepage Distance (dCp) | 10.15 mm |
| Clearance (dCI) | 10.15 mm |
| Comparative Tracking Index (CTI) | 600 |
| Environmental & Mechanical Characteristics | |
|---|---|
| Ambient Operating Temperature (TA) | −40 .. 85 °C |
| Ambient Storage Temperature (TA st) | −50 .. 85 °C |
| Mass (m) | 32 g |
| Case Material | V0 |
| Standards & Certifications | |
|---|---|
| IEC 61851-1 | 2017 |
| IEC 62752 | 2016 |
| IEC 62955 | 2018 |
| UL 2231-1 | 2012 |
| UL 2231-2 | 2012 |
| UL 2594 | 2016. |
Note: Specifications are taken from the official CDSR 0.07-NP datasheet. Parameters that could not be confirmed from the datasheet are marked UNVERIFIED.
Official technical documentation for the CDSR 0.07-NP.
Outline dimensions, pin layout and connection diagrams of the CDSR 0.07-NP are shown below.
| Outline Dimensions & Mechanical Data | |
|---|---|
| Mass | 32 g |
| Case Material | V0 |
Note: All dimensions are in millimetres. Refer to the official datasheet for the complete dimension drawing.
Typical applications of the CDSR 0.07-NP.
Characteristic curve diagrams are not included in the CDSR 0.07-NP datasheet; the relevant characteristics are the accuracy and dynamic performance data listed below.
| Accuracy & Dynamic Characteristics | |
|---|---|
| Linearity Error (εL) | ± 0.5 mA |
| Frequency Bandwidth (BW) | 2 kHz |
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.
