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About This Item
Full Description
IEC 62271-105:2021 applies to three-pole units for public and industrial distribution systems which are functional assemblies of switches including switch-disconnectors and current-limiting fuses designed so as to be capable of
- breaking, at the rated recovery voltage, any current up to and including the rated short-circuit breaking current;
- making, at the rated voltage, circuits to which the rated short-circuit breaking current applies.
It does not apply to fuse-circuit-breakers, fuse-contactors, combinations for motor-circuits or to combinations incorporating single capacitor bank switches.
Document History
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IEC 62271-105 Ed. 3.0 b:2021
viewing
High-voltage switchgear and controlgear - Part 105: Alternating current switch-fuse combinations for rated voltages above 1 kV up to and including 52 kV- Most Recent
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IEC 62271-105 Ed. 2.0 b:2012
High-voltage switchgear and controlgear - Part 105: Alternating current switch-fuse combinations for rated voltages above 1 kV up to and including 52 kV- Historical Version
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IEC 62271-105 Ed. 1.0 b:2002
High-voltage switchgear and controlgear - Part 105: Alternating current switch-fuse combinations- Historical Version