ABB OS30FAJ12Product Attribute Attribute Value Current Rating 30 A Fuse Type Fusible Mounting Type Base, Din Rail Mount Number of Poles 3 Primary Type Disconnect Series OS Series Type Switch UPC Code 80432541584 Voltage Rating 600 CM Check Overview Disconnect switches are integral to ABB's line of circuit protection devices to guard against equipment damage in multiple applications. ABB prides itself in being the Safety Pioneer for the low voltage electrical