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Open loop current transducer
| Primary Current, Measuring Range | −100 ... 100 A |
| Supply Voltage | 11.5 ... 26 V |
| Operating Temperature Range | −40 ... 85 °C |
| Isolation Test Voltage | 6 kV |
| Primary Nominal RMS Current (IPN) | 50 A |
| Current Consumption (IC) | 50 mA |
UL508 : 2010, EN 50121-4 : 2015 1), EN 50124-1 : 2017, EN 50125-3 : 2003. Application Domain, Track side. Note: according to EN 61000-4-3, is used shield wire with both ends.
The HTRS 50 -SBI 4-20mA inst. is an open loop current transducer from LEM for the electronic measurement of current: DC, AC, pulsed..., with galvanic isolation.
Typical applications include UL508 : 2010, EN 50121-4 : 2015 1), EN 50124-1 : 2017 and EN 50125-3 : 2003. Application Domain.
Key characteristics from the official datasheet: linearity error −0.5 ... 0.5 % of IPN; frequency bandwidth 30 KHz; operating temperature −40 ... 85 °C.
| General Information | |
|---|---|
| Manufacturer | LEM |
| Product Series | HTRS |
| Product Reference | HTRS 50 -SBI 4-20mA inst. |
| Primary Nominal Current | 50 A |
| Supply Voltage | 11.5 ... 26 V |
| Measurement | current: DC, AC, pulsed... |
| Mounting | Panel Mount |
| Application Domain | Track side |
| Electrical Data — HTRS 50 -SBI 4-20mA inst. | |
|---|---|
| Primary Nominal RMS Current (IPN) | 50 A |
| Primary Current, Measuring Range (IPM) | −100 ... 100 A |
| Supply Voltage (UC) | 11.5 ... 26 V |
| Current Consumption (IC) | 50 mA |
| Accuracy & Dynamic Performance | |
|---|---|
| Linearity Error (εL) | −0.5 ... 0.5 % of IPN |
| Response Time to 90 % of IPN Step | 20 µs |
| Frequency Bandwidth | 30 KHz |
| Insulation Coordination | |
|---|---|
| RMS Voltage for AC Insulation Test (50 Hz, 1 min) Ud | 6 kV |
| Impulse Withstand Voltage (1.2/50 µs) UNi | 11 kV |
| Creepage Distance (dCp) | 12.7 mm |
| Clearance (dCI) | 12.7 mm |
| Comparative Tracking Index (CTI) | 250 |
| Environmental & Mechanical Characteristics | |
|---|---|
| Ambient Operating Temperature (TA) | −40 ... 85 °C |
| Ambient Storage Temperature (TA st) | −40 ... 85 °C |
| Mass (m) | 35 g |
| Standards & Certifications | |
|---|---|
| EN 50121-4 | : 2015 1) |
| EN 50124-1 | : |
| EN 50125-3 | : 2003. |
Note: Specifications are taken from the official HTRS 50 -SBI 4-20mA inst. datasheet. Parameters that could not be confirmed from the datasheet are marked UNVERIFIED.
Official technical documentation for the HTRS 50 -SBI 4-20mA inst.
Outline dimensions, pin layout and connection diagrams of the HTRS 50 -SBI 4-20mA inst. are shown below.
| Outline Dimensions & Mechanical Data | |
|---|---|
| Mass | 35 g |
Note: All dimensions are in millimetres. Refer to the official datasheet for the complete dimension drawing.
Typical applications of the HTRS 50 -SBI 4-20mA inst.
The characteristic curves of the HTRS 50 -SBI 4-20mA inst. from the official datasheet are shown below.
| Accuracy & Dynamic Characteristics | |
|---|---|
| Linearity Error (εL) | −0.5 ... 0.5 % of IPN |
| Response Time to 90 % of IPN Step | 20 µs |
| Frequency Bandwidth | 30 KHz |
Note: Refer to the datasheet for the complete set of characteristic curves.
Other models of the HOP-HTR share the same measurement principle, mounting concept and output interface family.
