Define Instruments AC current sensor 4-20 mA output – ACCS-420

The Define Instruments ACCS-420 is a split-core transmitter designed for simple and cost-effective current measurement. It converts AC current signals into an industry-standard 4–20mA output, ideal for monitoring fans, pumps, motors, and other equipment. The split-core design allows installation without disconnecting existing cables, saving time and reducing downtime.
With three jumper-selectable ranges, the ACCS-420 AC Current Sensor measures up to 200A and provides 1% full-scale accuracy. It is loop-powered, requires a 15–36V DC supply, and offers reliable operation in environments from –10°C to 50°C. Built for industrial use, it delivers fast 250 ms response time, 2000V isolation, and rugged performance for continuous monitoring. For more details on the Define Instruments ACCS‑420 AC Current Sensor 4‑20 mA Output see the PDF attachment. We also stock a wide range of Define Instruments products.