RATED CURRENT: 630A/400/800/1200/2000A/1600A
RATED KV: 11KV/32KV/66KV/132KV STANDARD IS-9921
CATEGORY: POST/SOLID CORE INSULATOR TYPE
11KV DBCR ISOLATOR
33KV DBCR ISOLATOR with Solid Core Insulator
66KV DBCR ISOLATOR
An ISOLATOR is used to make sure that an electrical circuit can be completely de-energised for service or maintenance. Such switches are often found in electrical distribution and industrial applications where machinery must have its source of driving power removed for adjustment or repair. High-voltage isolation switches are used in electrical substations to allow isolation of apparatus such as circuit breakers and transformers, and transmission lines, for maintenance. Often the isolation switch is not intended for normal control of the circuit and is used only for isolation; in such a case, it functions as a second, usually physically distant master switch (wired in series with the primary one) that can independently disable the circuit even if the master switch used in everyday operation is turned on.