Cable joints and transition joints: heat-shrink MXSU, HVS-T, cold-shrink CSJA, high-voltage EHVS-T up to 145 kV
Joints and transition joints for low-, medium- and high-voltage power cables, including the transition from paper-oil to plastic insulation. The programme includes heat-shrink, cold-shrink, gel and cast resin joints. The high-voltage EHVS-T are rated for voltages up to 145 kV.
- Heat-shrink
- MXSU (including transition MXSU-INL-1C), HVS-T, HVSR-T, HVS-1C (IEEE)
- Cold-shrink
- CSJA, single-core screened cables 15–35 kV, silicone rubber
- High-voltage
- EHVS-T up to 145 kV
- Gel
- GTAP, GelWrap, GelBox, RayGel Plus, up to 90 °C continuous, halogen-free
Price, availability and lead time on request. We help with analogue selection, customs clearance and delivery.
Description
Joints connect LV, MV and HV power cables to each other, and transition versions connect a paper-oil insulated cable to a plastic-insulated one. Such a transition is needed when an old cable line is repaired or extended with a new cable. The programme is built on four technologies: heat shrink, cold shrink, gel sealing and compound casting.
The heat-shrink series MXSU consists of extruded tubes and sleeves, moulded end caps and breakouts, and wraparound sleeves. The MXSU-INL-1C transition joints are produced to IEC standards. To IEEE, the HVS-T and HVSR-T joints and the HVS-1C wraparound sleeves are offered. Wraparound sleeves are fitted without cutting the cable, for example when repairing the sheath. For high voltage there are EHVS-T joints up to 145 kV.
The cold-shrink CSJA joints made of silicone rubber are supplied as an all-in-one kit for single-core screened power cables of 15–35 kV. Cold shrink does not need a torch, and the joint contracts onto the cable by itself after the support spiral is removed. CSJA belongs to the Cold Shrink programme together with the separable CSJD joints, CST terminations and CATJ joints.
The gel products GTAP, GelWrap, GelBox and RayGel Plus, based on PowerGel gel, are installed quickly and cleanly. They operate continuously at 90 °C, are halogen-free and are suitable for outdoor installation, direct burial, underground structures and overhead lines. The cast resin joints Guroflex, Rapid, Gurosil and Guronic insulate, protect and seal LV and MV cable connections indoors, outdoors and in high humidity. The BAV-2 branch joint is filled with GUROFLEX-N environmentally friendly resin.
Technical specifications
| Heat-shrink | MXSU (including transition MXSU-INL-1C), HVS-T, HVSR-T, HVS-1C (IEEE) |
|---|---|
| Cold-shrink | CSJA, single-core screened cables 15–35 kV, silicone rubber |
| High-voltage | EHVS-T up to 145 kV |
| Gel | GTAP, GelWrap, GelBox, RayGel Plus, up to 90 °C continuous, halogen-free |
| Cast resin | Guroflex, Rapid, Gurosil, Guronic, BAV-2 (LV and MV) |
Request a price and lead time
Cable joints and transition joints: heat-shrink MXSU, HVS-T, cold-shrink CSJA, high-voltage EHVS-T up to 145 kV. We reply within one business day.
Or email sales@usk.ua or call 044 339-50-20.
Questions and answers
Which cables are the CSJA cold-shrink joints intended for?
CSJA is rated for single-core screened power cables of 15–35 kV. The joint is made of silicone rubber and is supplied as an all-in-one kit.
What is the maximum voltage of joints in the programme?
The high-voltage EHVS-T joints are rated for voltages up to 145 kV. For LV and MV networks there are heat-shrink, cold-shrink, gel and cast resin joints.
Can a paper-oil insulated cable be connected to a plastic one?
Yes, transition joints are used for this, including MXSU-INL-1C to IEC standards. They connect cables with paper-oil and plastic insulation.
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