4CH 10A High Power Switch Actuator,(Buspro)
https://b2b.hdl-automation.cz/en/support/products/data-sheets/buspro/relay-actuators/hdl-mr0410-431-en
https://b2b.hdl-automation.cz/en/support/products/data-sheets/buspro/relay-actuators/hdl-mr0410-431-en