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The FSW Fuse-Switch-Disconnectors, developed according to International Standard IEC 60947-3 and bearing CE certification, are applied in electric circuits in general to provide the disconnection and protection against short circuits and overloads by means of NH blade contact fuses.
There are versions for fuses NH000 up to NH3 with rated currents of 100A up to 630A, respectively.
The ultra-fast, flush-end style aR fuses are mounted in high-quality ceramic housings. They have impregnated quartz sand filling, fuse elements of pure silver, and silver plated copper connections, providing excellent electric insulation, mechanical strength, resistance against thermal shocks during fuse trips, and reduced I²t values. Their structure is designed for direct mount on copper busbars, without requiring individual mounting bases or switch-disconnectors.
The RFW switch-disconnectors are compatible with several applications, such as: switch board panels and main switches for different equipment and machines. The RFW switches comply with the international standards of product performance IEC 60947-3 and IEC 60947-1 and feature NH gL/gG type fuse holder bases for the sizes: 000, 00, 1, 2 and 3.
Available in the currents of 100 A, 160 A, 250 A, 400 A, and 630 A.
Its rotary drive is done by means of a direct front handle or by external panel door handles. The external panel door handles are optional. The panel door handle allows locking with a padlock in the OFF position.