Product Description

3M Brand PST Cold Shrink Connector Insulators are a series of open-ended, tubular rubber sleeves, which are factory expanded and assembled onto a removable core. They are supplied for field installation in this pre-stretched condition. The core is removed after the tube has been positioned for installation over an inline connection, terminal lug, etc., allowing the tube to shrink and form a waterproof seal. The insulating tube is made of EPDM rubber, which contains no chlorides or sulphurs. Six diameter sizes will cover a range of 1000 volt cables, copper and aluminium conductors.

PST features are:

• Simple installation, requires only workman’s hands

• Accommodates a wide range of cable sizes

• No torches or heat required

• Good thermal stability

• Seals tight, retains its resiliency and pressure even after prolonged years of ageing and exposure

• Excellent wet electrical properties

• Improved tough rubber formulation to withstand rough backfilling

• Waterproof. Meets water seal requirements of NEMA Pub. No. PP-C1

• Resists fungus

• Resists acids and alkalis

• Resists ozone and ultraviolet light

Applications

• Primary electrical insulation for all solid dielectric (rubber and plastic) insulated wire and cable splices rated to 1000 volts

• Suitable for direct burial or submersion

• For indoor, outdoor, or overhead use

• Physical protection and moisture sealing for high-voltage, air-insulated connectors and lugs such as spacer cable and lug connections to bus bar

• Insulation of secondary splices copper or aluminium conductors

• Relocation of service

• Dig-in repairs

• Sheath repairs

• Insulation of inline conductor transition connectors (see Figure 1)