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1SFL477001R7011

The ABB 1SFL477001R7011 is a fusible load break switch-disconnector, part of the OS series. It is a compact and robust device designed for secure isolation, manual switching, and short-circuit protection in low-voltage distribution systems.

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Technical Data: Series: ABB OS (Switch-Disconnector Family) Rated Operational Current (Ie): 125 A (This is the current-carrying capacity of the switch itself). Rated Operational Voltage (Ue): Up to 690 V AC, 50/60 Hz Utilization Category: AC-23B: For switching mixed loads, including motor loads (inductive). AC-22B: For switching resistive and slightly inductive loads. Short-Circuit Protection: Provided by externally mounted NH fuses. The switch's fuse carrier is rated for a maximum fuse size of 160A. The actual short-circuit breaking capacity depends entirely on the installed fuse (can be up to 120 kA with appropriate current-limiting fuses). Number of Poles: 3 Poles (3P) Mechanical Life: 10,000 operations Electrical Life (AC-23B at Ie): 1,500 operations Terminals: Screw terminals for cable connection (both line and load sides). Fuse Type: Accepts standard NH/Type 2 size 00 or 1 fuses (e.g., 160A max). Operation: Manual rotary handle (can be extended for door mounting). Padlockable in ON and OFF positions (up to 3 padlocks). Mounting: Panel-mounted. Status Indication: Clear ON/OFF flag. Standards Compliance: IEC/EN 60947-3.