Genuine Bosch 2607200655 Switch for compatible Bosch EasyImpact and PSB percussion drills, including the popular EasyImpact 550, EasyImpact 600 and PSB 500 RE models. This replacement switch controls electrical power to the drill during operation and is suitable for replacing a worn, damaged or faulty original switch where the machine has developed intermittent operation or fails to start correctly. Manufactured to the correct Bosch specifications for precise fit and reliable operation.