![ADT181](https://www.amelec-uk.com/wp-content/uploads/2021/10/ADT181.png)
Our ADT181 is a Frequency Signal Input Single Set Point Dual Output Trip Amplifier suitable for SIL1, SIL2 and SIL3 (IEC61508-2) rated safety loop applications and any process input.
RFI Protection to IEC61000-4-3 (<10V/m) and Digital indication options available on request