A current sensor that opens, clips around an existing cable and closes again, so a motor, a pump or a feeder is instrumented without cutting a wire or stopping the process. The conversion happens inside the sensor, and what comes out is a finished value in amps over RS485.
The split core clips around an insulated conductor that stays connected. Nothing is cut, nothing is re-terminated, and the load keeps running while the sensor goes on.
The sensor measures and converts internally and is calibrated across its range at production. The controller receives amps, so there is no analogue input to scale.
Each sensor has its own Modbus address, so the current sensors on a row of motors share one RS485 pair back to the controller.
| Measuring range | AC 0.2-100 A |
|---|---|
| Resolution | 0.01 A |
| Line frequency | 50-60 Hz |
| Core type | Split core, clamp-on |
| Output | RS485, Modbus RTU |
| Supply voltage | 5-24 V DC |
| Power consumption | 0.5 W |
| Cable | 4-wire, 1 m standard |
| Housing material | ABS |
| Operating temperature | -20 to 70 °C |
| Storage temperature | -20 to 80 °C |
Extended measuring ranges are available to order. Tell us the line rating.
The sensor is a standard Modbus device. What it is connected to decides what the reading is worth.
The RS485 output connects to a Genesis controller alongside every other Modbus sensor on the site. Each device has its own address, and each reading is filed against its own location.
The controller sends readings over 4G-LTE on battery, solar or a DC supply. Through an outage it holds them and sends them in order when the link returns.
Charts, threshold alerts to the right person, export to Excel, and a REST API for your own systems.
The output is standard Modbus RTU, so the sensor also reads into any PLC or controller that speaks it.
Function 0x03 reads the measurement registers. Several sensors share one RS485 pair, each with its own address.
| Protocol | Modbus RTU |
|---|---|
| Serial settings | 9600 bps default, 8 data bits, no parity, 1 stop bit |
| Default address | 0x01 |
| Address | Content | Scaling |
|---|---|---|
| 0x0001 | Current, high word | 32-bit value, high 16 bits |
| 0x0002 | Current, low word | 32-bit value, low 16 bits |
Request: 01 03 00 01 00 02 95 CB
Response: 01 03 04 00 00 27 10 E0 0FThe two registers are read together as one 32-bit unsigned value, high word first. Current in amps is that value divided by 100, so 0x00002710 is 10000, which is 100.00 A.
No. The core opens and closes around an insulated conductor, so nothing is disconnected. Work inside a panel or on a live circuit must still be carried out by qualified personnel under the local electrical regulations.
It is almost always clamped around two conductors of the same circuit, whose fields cancel. Clamp it around one conductor only, live or neutral, and close the core until the catch clicks.
AC current, at 50 to 60 Hz.
Yes. They share one RS485 pair, each with its own address, alongside other RS485 sensors on the same controller port.
The points, the ranges and where they sit. You get back which sensors fit and how they wire into the controller.
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