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RCSJ - cold shrink joint

Characteristics RCSJ - COLD SHRINK JOINT


The RCSJ compact cold shrink joint consists of an inner and an outer tube made of silicone rubber in monobloc construction. Both are mounted on support spirals, which allow easy and fast shrinking with a small size ratio. Small parts required are included in the kit.

  • compact structure in monobloc design for quick and tool-free installation of the sleeve body
  • small size ratio, short park position on the cable
  • with test certificate
  • suitable for cross-sections up to 630mm2 with common polymeric insulated single-core cables up to 36kV
  • integrated stress control and Faraday cage in the inner tube
  • incl. screw connector
  • clear installation instructions with link to installation videos
  • working temperature from -20°C to +60°C

Approval & Certificates


  • ROHS (contains no heavy metals or harmful substances (PBB, PBBO, PBBE)
  • in compliance with REACH regulation (EC No. 1907/2006)

Contact - Questions about the product


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Product Video: handling/processing


Shrink joints for polymeric insulated medium voltage cables U O /U (U m ) 6/10 (12) - 18/30 (36) kV

The RCSJ compact cold shrink joint consists of an inner and an outer tube made of silicone rubber in monobloc construction. Both are mounted on support spirals, which allow easy and fast shrinking with a small size ratio. Small parts required are included in the kit.
Shrink joints for polymeric insulated medium voltage cables U O /U (U m ) 6/10 (12) - 18/30 (36) kV
  • ① Cable sheath
  • ② Silicone outer tube
  • ③ CU shielding braid
  • ④ Silicone inner tube
  • ⑤ Faraday cage
  • ⑥ Screw connector *
  • ⑦ Support spiral
  • ⑧ Stress control (both sides)
  • ⑨ Roll springs
  • ⑩ Insulating tape
* optional without connector

RCSJ series cold shrink joints:

Item no. Item Description Type Dimensions mm L Dimensions mm D Voltage KV Cable cross-section mm Shrink ratio
186012-1RMC RCSJ12EL095.150.RMC I 330 44 6/10 95-150 3.1
186012-2RMC RCSJ12EL120.240.RMC II 360 54 6/10 120-240 3.5
186012-5RMC RCSJ12EL185.300.RMC V 360 54 6/10 185-300 3.5
186012-3RMC RCSJ12EL300.400.RMC III 460 80 6/10 300-400 3.5
186012-4RMC¹ RCSJ12EL500.630.RMC IV 460 80 6/10 500-600 3.5
186024-1RMC RCSJ24EL035.095.RMC I 330 44 12/20 35-95 3.1
186024-2RMC RCSJ24EL095.240.RMC II 360 54 12/20 95-240 3.5
186024-5RMC RCSJ24EL150.300.RMC V 360 54 12/20 150-300 3.5
186024-3RMC RCSJ24EL185.400.RMC III 460 80 12/20 185-400 3.5
186024-4RMC¹ RCSJ24EL400.630.RMC IV 460 80 12/20 400-630 3.5
1 available soon
Figure:
Schematic figure RCSJ compact cold shrink joint
Dimensions see tables

L = Overall length
D = max. inner diameter of expanded inner tube

Dimensions table

Compact sleeve size I II V III
Item no. Compact sleeve 186024-1RMC 186024-2RMC 186024-5RMC 186024-3MC
Description¹ RCSJ24EL035.095.RMC RCSJ24EL095.240.RMC RCSJ24EL150.300.RMC RCSJ24EL185.400.RMC
Voltage level max. 30kV 30kV 30kV 30kV
Ø inner tube 42-44 mm 52-54 mm 62 mm 78-80 mm
Ø min. shrunk 13 mm 15 mm 18 mm 22 mm
shrink ratio 3.1 3.5 3.5 3.5
Ø Cable insulation min. 16.5 mm 20 mm *** 26 mm
Ø Cable insulation max. 24 mm 35 mm *** 56 mm
Ø Cable sheath max. 30 mm 40 mm *** 66 mm
Total length 330 mm 360 mm 400 mm 460 mm
Connector length max. 102 mm 120 mm *** 230 mm
1 The details in this table refer to voltage level 20kV.

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