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Open Loop transducer using the Hall effect
| Primary Current, Measuring Range | ± 50 A / −450 .. 320 A |
| Supply Voltage | 4.75 .. 5.25 V |
| Sensitivity | 40 / 5.2 mV/A |
| Operating Temperature Range | −10 .. 65 °C / −40 .. 125 °C |
| Primary Nominal Current (IPN) | ± 50 A / −450 .. 320 A |
| Current Consumption (IC) | 15 .. 20 mA |
Dual channel sensor for wider measurement range and redundancy.
The DHAB S/143 is an open loop current transducer from LEM for the electronic measurement of DC, AC, or pulsed currents, with galvanic isolation, delivering an instantaneous output voltage of 2.5 / 2.8 V.
Typical applications include Dual channel sensor for wider measurement range and redundancy.
Key characteristics from the official datasheet: frequency bandwidth 1.1 kHz; operating temperature −10 .. 65 °C / −40 .. 125 °C.
| General Information | |
|---|---|
| Manufacturer | LEM |
| Product Series | DHAB |
| Product Reference | DHAB S/143 |
| Primary Nominal Current | ± 50 A / −450 .. 320 A |
| Supply Voltage | 4.75 .. 5.25 V |
| Measurement | DC, AC, or pulsed currents |
| Mounting | Busbar Mount |
| Application Domain | Dual channel sensor for wider measurement range and redundancy |
| Electrical Data — DHAB S/143 | |
|---|---|
| Primary Nominal Current (IPN) | ± 50 A / −450 .. 320 A |
| Primary Current, Measuring Range (IPM) | ± 50 A / −450 .. 320 A |
| Supply Voltage (UC) | 4.75 .. 5.25 V |
| Current Consumption (IC) | 15 .. 20 mA |
| Sensitivity | 40 / 5.2 mV/A |
| Output Offset Voltage (VO E) | 2.5 / 2.8 V |
| Load Resistance (RL) | 10 kOhm |
| Insulation Resistance (RINS) | 500 MOhm |
| Accuracy & Dynamic Performance | |
|---|---|
| Ratiometricity Error | ± 0.6 % |
| Frequency Bandwidth | 1.1 kHz |
| Output Noise | ± 10 mV |
| Insulation Coordination | |
|---|---|
| Creepage Distance (dCp) | 3.1 mm |
| Clearance (dCI) | 3.1 mm |
| Comparative Tracking Index (CTI) | PLC3 |
| Environmental & Mechanical Characteristics | |
|---|---|
| Ambient Operating Temperature (TA) | −10 .. 65 °C / −40 .. 125 °C |
| Ambient Storage Temperature (TA st) | −40 .. 125 °C |
| Mass (m) | 82 g |
Note: Specifications are taken from the official DHAB S/143 datasheet. Parameters that could not be confirmed from the datasheet are marked UNVERIFIED.
Official technical documentation for the DHAB S/143.
Outline dimensions, pin layout and connection diagrams of the DHAB S/143 are shown below.
| Outline Dimensions & Mechanical Data | |
|---|---|
| Mass | 82 g |
Note: All dimensions are in millimetres. Refer to the official datasheet for the complete dimension drawing.
Typical applications of the DHAB S/143.
The characteristic curves of the DHAB S/143 from the official datasheet are shown below.
| Accuracy & Dynamic Characteristics | |
|---|---|
| Sensitivity | 40 / 5.2 mV/A |
| Frequency Bandwidth | 1.1 kHz |
| Reference Conditions | |
|---|---|
| Ambient Temperature (TA) | 25 °C, unless otherwise noted |
| Output Load Resistance (RL) | 10 kOhm |
Note: Refer to the datasheet for the complete set of characteristic curves.
Other models of the DHAB Series share the same measurement principle, mounting concept and output interface family.
