AK – Split-core current transformers
The AK Series split‑core current transformers are designed for the electronic measurement of AC current waveforms, providing reliable galvanic isolation between the high‑power primary circuit and the electronic secondary circuit. Covering selectable current ranges from 2 A to 200 A via jumper configuration, AK current transducers are primarily intended for panel mounting, with a DIN‑rail version available upon request.
Based on air‑core technology, AK current transformers are available in split‑core or solid‑core configurations, enabling easy installation and flexibility in existing systems. The AK Series performs RMS current measurement and is offered with current or voltage output, making it well suited for monitoring and control applications in renewable energy systems and power supply equipment.
AK – Features and benefits
Features
- Measurement of AC sinusoidal currents
- Average‑responding (RMS calibrated) measurement
- Available in split‑core or solid‑core versions
- Current or voltage output options
- Self‑powered or loop‑powered operation
- Panel mounting design (DIN‑rail version available upon request)
- Jumper‑selectable current ranges
Main characteristics
- Large aperture, suitable for a wide range of conductor sizes
- High galvanic isolation between primary and secondary circuits
- Easy installation, particularly in retrofit applications
Typical applications
The AK Series is well suited for standard AC current monitoring in renewable energy and power supply systems, including:
- Automation systems: Analog current feedback for remote monitoring (e.g. motors)
- Data loggers: Self‑powered operation avoids draining logger batteries
- Panel meters: Simple integration for displaying current and power consumption
The AK Series is ideal where stable sinusoidal waveforms are present and cost‑effective RMS measurement is sufficient.
LEM AK – Download & Technical Characteristic
| Product | Check stock | Document | Nominal value | Supply Voltage | Op. Temperature |
|---|---|---|---|---|---|
| AK 5 B420L | Datasheet | 2 A, 5 A | Loop Powered | -20 to 50 °C | |
| AK 5 C420L | Datasheet | 2 A, 5 A | Loop Powered | -20 to 50 °C | |
| AK 50 B10 | Datasheet | 10 A, 20 A, 50 A | Self Powered | -20 to 50 °C | |
| AK 50 B420L | Datasheet | 10 A, 20 A, 50 A | Loop Powered | -20 to 50 °C | |
| AK 50 C10 | Datasheet | 10 A, 20 A, 50 A | Self Powered | -20 to 50 °C | |
| AK 50 C420L | Datasheet | 10 A, 20 A, 50 A | Loop Powered | -20 to 50 °C | |
| AK 200 B10 | Datasheet | 100 A, 150 A, 200 A | Self Powered | -20 to 50 °C | |
| AK 200 B420L | Datasheet | 100 A, 150 A, 200 A | Loop Powered | -20 to 50 °C | |
| AK 200 C10 | Datasheet | 100 A, 150 A, 200 A | Self Powered | -20 to 50 °C | |
| AK 200 C420L | Datasheet | 100 A, 150 A, 200 A | Loop Powered | -20 to 50 °C |
AK Sensors – ASK FOR SAMPLES / QUOTATIONS
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