Rated Control Circuit Voltage (U c ): 60 Hz 110 ... 120 V AC. Suitable for: EH Line. Suitable for Product Class: Contactors. Contactor Types: 3 pole contactors with NO or NC built in auxiliary contact for A9 - A40 contactors; factory assembled auxiliary contacts for A50 - A300 contactors.. Contactor Types: 4 pole contactors: 4 NO or 2 NO & 2 NC without any auxiliary contacts. (A9 - A75).. Across the Line contactors are mainly used for controlling 3-phase motors and for controlling power circuits corresponding to their operating characteristics up to 690 and even 1000 VAC. and 440 VDC.. ABB. ABB. KH800-1.