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Current Transducer HO-NP series I = 8, 15, 25 A
| Primary Current, Measuring Range | −62.5 ... 62.5 A |
| Output Voltage Range | −2 ... 2 V |
| Supply Voltage | 4.5 ... 5.5 V |
| Accuracy @ IPN | ±1 % of IPN |
| Operating Temperature Range | −40 ... 105 °C |
| Isolation Test Voltage | 4.3 kV |
AC variable speed drives, Static converters for DC motor drives, Battery supplied applications, Uninterruptible Power Supplies (UPS), Switched Mode Power Supplies (SMPS), Power supplies for welding applications, The solar inverter on DC side of the inverter (MPPT), Combiner box.
The HO 25-NP-0000 is a None current transducer from LEM for the electronic measurement of current: DC, AC, pulsed..., with galvanic isolation.
Typical applications include AC variable speed drives, Static converters for DC motor drives, Battery supplied applications and Uninterruptible Power Supplies (UPS).
Key characteristics from the official datasheet: linearity error ±0.5 % of IPN; frequency bandwidth 250 kHz; operating temperature −40 ... 105 °C.
| General Information | |
|---|---|
| Manufacturer | LEM |
| Product Series | HO |
| Product Reference | HO 25-NP-0000 |
| Primary Nominal Current | 25 A |
| Supply Voltage | 4.5 ... 5.5 V |
| Measurement | current: DC, AC, pulsed... |
| Mounting | PCB Mount |
| Application Domain | Industrial |
| Electrical Data — HO 25-NP-0000 | |
|---|---|
| Primary Nominal RMS Current (IPN) | 25 A |
| Primary Current, Measuring Range (IPM) | −62.5 ... 62.5 A |
| Supply Voltage (UC) | 4.5 ... 5.5 V |
| Current Consumption (IC) | 19 ... 25 mA |
| Accuracy & Dynamic Performance | |
|---|---|
| Accuracy @ IPN | ±1 % of IPN |
| Linearity Error (εL) | ±0.5 % of IPN |
| Electrical Offset Voltage (VO E) @ IP = 0 | −5 ... 5 mV |
| Response Time to 90 % of IPN Step | 3.5 µs |
| Frequency Bandwidth | 250 kHz |
| Insulation Coordination | |
|---|---|
| RMS Voltage for AC Insulation Test (50 Hz, 1 min) Ud | 4.3 kV |
| Impulse Withstand Voltage (1.2/50 µs) UNi | 8 kV |
| Creepage Distance (dCp) | 8 mm |
| Clearance (dCI) | 8 mm |
| Comparative Tracking Index (CTI) | 600 |
| Environmental & Mechanical Characteristics | |
|---|---|
| Ambient Operating Temperature (TA) | −40 ... 105 °C |
| Ambient Storage Temperature (TA st) | −40 ... 105 °C |
| Mass (m) | 5 g |
| Standards & Certifications | |
|---|---|
| EN 50178 | Compliance |
| IEC 61010-1 | Compliance |
| IEC 61326-1 | Compliance |
| UL 508 | 2018. |
Note: Specifications are taken from the official HO 25-NP-0000 datasheet. Parameters that could not be confirmed from the datasheet are marked UNVERIFIED.
Official technical documentation for the HO 25-NP-0000.
Outline dimensions, pin layout and connection diagrams of the HO 25-NP-0000 are shown below.
| Outline Dimensions & Mechanical Data | |
|---|---|
| Mass | 5 g |
Note: All dimensions are in millimetres. Refer to the official datasheet for the complete dimension drawing.
Typical applications of the HO 25-NP-0000.
The characteristic curves of the HO 25-NP-0000 from the official datasheet are shown below.
| Accuracy & Dynamic Characteristics | |
|---|---|
| Accuracy @ IPN | ±1 % of IPN |
| Linearity Error (εL) | ±0.5 % of IPN |
| Response Time to 90 % of IPN Step | 3.5 µs |
| Frequency Bandwidth | 250 kHz |
Note: Refer to the datasheet for the complete set of characteristic curves.
Other models of the HO Series share the same measurement principle, mounting concept and output interface family.
