UL notice


Beckhoff EtherCAT modules are intended for use with Beckhoff’s UL Listed EtherCAT System only.


For cULus examination, the Beckhoff I/O System has only been investigated for risk of fire and electrical shock (in accordance with UL508 and CSA C22.2 No. 142).

For devices with Ethernet connectors

Not for connection to telecommunication circuits.

Basic principles

UL certification according to UL508. Devices with this kind of certification are marked by this sign:

UL notice 1: