This relay is designed for use in construction as a motor starter relay, facilitating engine start-up by controlling electrical power to the starter motor.It is compatible with multiple models in the PC200, PC220, and PC138 series, including PC200-6, PC200LC-6, PC120-6, PC220-6, PC200-7, PC200LC-7, PC210-7, PC210LC-7, PC220-7, PC200-8, PC200LC-8, PC220-8, PC220LC-8, PC228US-1, PC228US-2, and PC138US-8.The product replaces part numbers 600-815-8940 and 600-815-8941.It is a neutral, unbranded component with no logos or branding on packaging.