ABB AF09ZB-22-00RT-21Product Attribute Attribute Value Contact Current Rating 25 A Number of Poles 4 Primary Type Contactor Series AF09ZB Series UPC Code 88861422275 Voltage, Control 60 VDC Overview AF09ZB.. RT 4 pole contactors are mainly used for controlling non inductive or slightly inductive loads and generally for controlling power circuits up to 690 V AC and 440 V DC. Meet all main rolling stock standards: IEC 60947 4 1, IEC 60947 5 1, IEC 60077 1 2 and applicable