ABB 1SAE342111R0640 — The EN40.N installation contactors are used to control single and three-phase loads up to 40 A and can be operated by AC or DC and/or manually.These contactors are made for use in household applications as well as in industrial environments.The following benefits are provided:Hum-free operation, low power consumption, integrated overvoltage protection and manual override.Various contact combinations and accessories are available.Manual operation is available in 3 states: On, Off, Auto.