63-811761-011 Apator RBK 3 Pro Fuse Switch Disconnector 630A
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The Apator 63-811761-011 is the RBK 3 Pro HRC fuse switch disconnector rated at 630A for use with NH3 fuse links. It combines a load break switch and NH fuse carrier in a single unit for high-current power distribution at voltages up to 690V AC. The RBK 3 Pro is the largest in the standard RBK Pro range, designed for main incomer protection and heavy industrial feeder circuits.
- Rated current: 630A
- Fuse size: NH3
- Rated voltage: up to 690V AC
- Short circuit capacity: 100kA
- Operation: manual rotary handle
- Switching function: load break switch with integrated NH fuse carrier
- Mounting: panel or DIN rail compatible
- Housing: glass-fibre reinforced thermoplastic
- Standards: IEC 60947-3
The RBK 3 Pro is used as a main disconnector and fuse protection device in main distribution boards, transformer secondary protection, and large motor feeders. The integrated load break switch allows fuse replacement to be carried out safely after isolation. Catalog number: 63-811761-011.
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