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Closed loop (compensated)
| Primary Current, Measuring Range | −1.7 ... 1.7 A |
| Output Voltage Range | 0.001 ... 0.5 V (typ 0.35 V) |
| Supply Voltage | 4.75 ... 5.25 V |
| Operating Temperature Range | −40 ... 105 °C |
| Isolation Test Voltage | 5.4 kV |
| Primary Nominal RMS Current (IPN) | 1 A |
Residual current measurement, Leakage current measurement in transformerless PV inverters, First human contact protection of PV arrays, Failure detection in power sources CTSR 1-P_External shape 19.11.2012 TaH, Symmetrical fault detection (e.g. after motor inverter), Leakage current detection in stacked DC sources, Single phase or 〒〒〒〒t1111h99994444r----e000000002222e1111 p h a s e n o m i n a l c u r2r-1e-2n, Nt amkameacahis, Muarcehidma, e n t Fax : 042-728-8119.
The CTSR 1-P is a closed loop (compensated) current transducer from LEM for the electronic measurement of current: DC, AC, pulsed..., with galvanic isolation.
Typical applications include Residual current measurement, Leakage current measurement in transformerless PV inverters, First human contact protection of PV arrays and Failure detection in power sources CTSR 1-P_External shape 19.11.2012 TaH.
Key characteristics from the official datasheet: linearity error 0.5 ... 1 % of IPRM; frequency bandwidth 9.5 kHz; operating temperature −40 ... 105 °C.
| General Information | |
|---|---|
| Manufacturer | LEM |
| Product Series | CTSR |
| Product Reference | CTSR 1-P |
| Primary Nominal Current | 1 A |
| Supply Voltage | 4.75 ... 5.25 V |
| Measurement | current: DC, AC, pulsed... |
| Mounting | PCB Mount |
| Application Domain | Industrial, Suitable to fulfil VDE 0126-1-1, UL 1741 |
| Electrical Data — CTSR 1-P | |
|---|---|
| Primary Nominal RMS Current (IPN) | 1 A |
| Primary Current, Measuring Range (IPM) | −1.7 ... 1.7 A |
| Supply Voltage (UC) | 4.75 ... 5.25 V |
| Current Consumption (IC) | 17.5 ... 21.6 mA |
| Accuracy & Dynamic Performance | |
|---|---|
| Linearity Error (εL) | 0.5 ... 1 % of IPRM |
| Response Time to 90 % of IPN Step | 50 µs |
| Frequency Bandwidth | 9.5 kHz |
| Insulation Coordination | |
|---|---|
| RMS Voltage for AC Insulation Test (50 Hz, 1 min) Ud | 5.4 kV |
| Impulse Withstand Voltage (1.2/50 µs) UNi | 10.1 kV |
| Creepage Distance (dCp) | 11 mm |
| Clearance (dCI) | 11 mm |
| Comparative Tracking Index (CTI) | 600 |
| Environmental & Mechanical Characteristics | |
|---|---|
| Ambient Operating Temperature (TA) | −40 ... 105 °C |
| Ambient Storage Temperature (TA st) | −50 ... 105 °C |
| Mass (m) | 28 g |
| Standards & Certifications | |
|---|---|
| EN 50178 | Compliance |
| IEC 61010-1 | 2010 (safety). |
Note: Specifications are taken from the official CTSR 1-P datasheet. Parameters that could not be confirmed from the datasheet are marked UNVERIFIED.
Official technical documentation for the CTSR 1-P.
Outline dimensions, pin layout and connection diagrams of the CTSR 1-P are shown below.
| Outline Dimensions & Mechanical Data | |
|---|---|
| Mass | 28 g |
Note: All dimensions are in millimetres. Refer to the official datasheet for the complete dimension drawing.
Typical applications of the CTSR 1-P.
Characteristic curve diagrams are not included in the CTSR 1-P datasheet; the relevant characteristics are the accuracy and dynamic performance data listed below.
| Accuracy & Dynamic Characteristics | |
|---|---|
| Linearity Error (εL) | 0.5 ... 1 % of IPRM |
| Response Time to 90 % of IPN Step | 50 µs |
| Frequency Bandwidth | 9.5 kHz |
Note: For the full set of performance data, refer to the datasheet.
Other models of the CTSR Series share the same measurement principle, mounting concept and output interface family.
