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Isolator Solid Link.
Rating.
 
The rating of the complete isolator shall be as follows: -
Rated voltage 12 kV
Rated frequency 50 Hz
Rated lightning impulse withstand voltage 95 kV
Rated power frequency withstand voltage, dry 38 kV
Rated normal current 400 Amps
Rated short time withstand current for 3 sec. 25.0 kA
Minimum creepage distance of insulators 300 mm
Design And Construction
 
-> The Isolator, Solid Link shall be designed and constructed in accordance with IEC 129 and IEC 60694.

-> The isolating link shall be of the vertical opening, designed for single phase manual operation. It shall be easily removed and replaced by     using a portable operating rod.

-> The isolating link shall incorporate double porcelain insulators to suit voltage requirements and mounted on hot dipped galvanised steel under     base suitable for vertical mounting.

-> The isolating link shall be arranged so that each unit is mounted independently on an angle bracket. It shall be supplied complete with the     angle bracket and accessories suitable for mounting on ‘U’ type steel channel. The drawings to be submitted shall indicate all the applicable     mounting positions.

-> The isolator shall be designed such that in fully open position, it shall provide adequate electrical isolation between the contacts on each      phase. It shall conform to the requirement as single point isolation for safety.

-> All steel parts shall be hot dip galvanized to BS 729. The minimum coating of galvanizing required is 80 microns.

-> The solid link shall be removable from the mounting by use of operating rod.

-> All current carrying parts of the isolator shall be made of high conductivity material .

-> The isolator shall be fitted with clamp connectors for Aluminium (ACSR) conductor of up to 18.2mm diameter.
Redesigned & Developed By:
Brian - HC & S LTD