12CH 20A High Power Switch Actuator, (Buspro)
https://b2b.hdl-automation.cz/en/support/products/data-sheets/buspro/relay-actuators/hdl-mr04(08-12)20c-431(432-433)
https://b2b.hdl-automation.cz/en/support/products/data-sheets/buspro/relay-actuators/hdl-mr04(08-12)20c-431(432-433)