8CH 16CH High power switch actuator (with dry contact )
https://b2b.hdl-automation.cz/en/support/products/data-sheets/buspro/relay-actuators/hdl-mr0810-432-10a-relay-module
https://b2b.hdl-automation.cz/en/support/products/data-sheets/buspro/relay-actuators/hdl-mr0810-432-10a-relay-module