The 3-pole FF UL designation indicates a fixed front-terminal connection with UL listing. This is the part to specify when the BOM calls for a 1000 A MCCB with LS/I (long-time and instantaneous) protection curves and a UL footprint.
Lifecycle stage is current. ABB continues to manufacture and support this order code as an active catalog item. No phase-out notice or last-time-buy date is on record.
What the 1000 A rating means for your panel
The 1000 A continuous rating sets the main bus or feeder protection level. The EKIP DIP LS/I trip unit adjusts long-time pickup and instantaneous thresholds within that 1000 A frame.