Characteristics

This data sheet covers the requirements for heat shrink medium voltage boots whose dimensions will shrink to predetermined size upon the application of heat above 125 deg. C. Color of the MV boots is reddish brown. The MV boots are electrically insulating, anti-tracking, UV resistant, weather proof and flame retardant. Both ends of MV boots are internally coated with red mastic and covered with release paper.

Typical Applications

The MV Right Angle Boots provide insulation and sealing for bushings in cable-end boxes integral with switch-gear and transformers. The mastic sealant provides a water-tight environmental seal to the bushing. The MV boots are also supplied as a part of heat shrink cable termination up to 36 kV for operation in air-filled cable-end boxes, designed with reduced clearances for compound filling. The boots are designed to withstand surges induced during the operational life of the termination.

The following application table indicates the dimensions of Right Angle Boots.

Materials

The base material of the MV boots is thermally stabilized, cross-linked blend of poly-olefins and a compatible grade of synthetic rubber. The basic resin is mixed with chemical additives offering resistance against tracking - erosion, fire, oxidation, ozone and other environmental effects. The sealant is butyl rubber based mastic, which is electrical insulating and water-proof. Both ends are coated inside with butyl rubber mastic.