Vertical Fuse Switch Disconnectors
Sigma Vertical Fuse-Switch Disconnectors are manufactured for use with NH blade fuses in sizes NHC00, NH00, NH1, NH2, and NH3 up to 630 A, in compliance with the TS EN 60947-3 standard and CE norms.
When used together with NH blade fuses, vertical fuse-switch disconnectors ensure the safe interruption of nominal currents under load and provide protection against overcurrents.
Offering high performance and easy installation, Sigma Vertical Fuse-Switch Disconnectors provide the user with a highly reliable solution, low cost, and time savings.
Design suitable for the use of NHC00, NH00, NH1, NH2, and NH3 fuses
Option to switch all 3 phases simultaneously or independently
High breaking capacity
Design featuring arc separators that prevent arcs generated during operation from damaging the switch
Housing material manufactured from non-flammable BMC material with extremely high mechanical and electrical insulation properties (resistant up to 960 °C)
All plastic parts utilized are manufactured from thermoplastic raw material with V0 non-flammability rating
Silver-plated contacts
All connection components (bolts, washers, etc.) manufactured from corrosion-resistant stainless steel material
Parking position option and parking position locking feature in Sigma Vertical Fuse-Switch Disconnectors, protecting the system and field personnel against unauthorized intervention
Manufactured in compliance with TS EN 60269-1 and IEC 60269-1 standards
Capability to measure currents belonging to each phase via current transformers installed on the rear busbars (optional)
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