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Brand Name : United electrical
Model Number : HZ-DL
Certification : ISO9001
Place of Origin : Wuhan
MOQ : 100pcs
Price : Price negotiable
Payment Terms : TT / LC at sight
Supply Ability : 10000 pcs / month
Delivery Time : 20 work days
Packaging Details : Carton with wrapping film and pallet
Conductor Material : Copper or Aluminum
Insulation Material : Rubber
Jacket : Rubber
Number of Conductors : Single Core/3-Core
Rated Voltage : 11KV/24kV/35kV
Application : 20kV Medium Voltage
Straight Joint Voltage : 12/24kV
Straight Joint Cores : Single-core, 3-Core
Straight Joint Cross : 25-630mm square
Straight Joint Body : Liquid Silicone Rubber
12/24kV Electric Cable Accessories silicon rubber Cold Shrinkable Straight Joint
Product features:
1. Cold shrinkable cable accessories adopt world renowned brand liquid/solid silicone rubber material. The products are with excellent insulation, anti-tracking, rebound resistance, heat/cold resistance, ozone resistance, anti-aging, and good dielectric properties, and can be used under various harsh conditions.
2. Geometric stress control method.
3. Standards compliance: IEC60502
4. Cold installation, easy and safe without using fire, just by pulling the spiral.
Performance material
Performance of Material for Cold Shrinkable Cable Accessories
Cold Shrinkable Indoor/Outdoor Termination, Cold Shrinkable Straight Joint
Cold Shrinkable Insulted Tubing, Cold Shrinkable Sealed Tubing, Cold Shrinkable Tubing for Single-core,
Cold Shrinkable Breakout 2-Way, 3-Way, 4-Way, 5-Way
Item | Liquid Silicone Rubber/Index | Semi-conductive Material/Index |
Tensile Strength(Mpa) | ≥7 | ≥6 |
Elongation at Break(%) | ≥600 | ≥550 |
Hardness Shore A | 40±5 | 40-45 |
Tear Strength(N/mm) | ≥35 | ≥20 |
Volume Resistivity(Ω.cm) | ≥1*1014 | ≤102 |
Dielectric Constant(50Hz) | 2.8-3.2 | / |
Evaluating Resistance to Tracking at High-Voltage | ≥1A3.5 | / |
Product Dimensions
The size of 12/24kV Cold Shrinkable Straight Joint for Cable to 25-630mm², Unit in mm
Cross-section(mm²) | ID before Expansion | Thickness before Expansion | Weight before Expansion | Length before Expansion | ID after Expansion | Weight after Expansion | Length after Expansion |
25-50 | 13 | 12 | 415 | 390 | 37/40 | 514 | 390 |
70-120 | 16 | 12.5 | 528 | 410 | 45 | 628 | 410 |
150-240 | 19 | 15 | 755 | 430 | 50 | 867 | 430 |
300-400 | 23 | 15 | 860 | 450 | 54 | 1013 | 450 |
500-630 | 26.5 | 15.25 | 1130 | 500 | 58 | 1280 | 500 |
Product performance
AC Withstand Voltage Test 81kV,5mins
AC Withstand Voltage Test 45kV,15mins
Partial Discharge Test 30kV, at ambient temp.
Partial Discharge Test 30kV, 95-100℃
Impulse Voltage Test 95-100℃, ±170kV, 10impulses of each polarity
Heating Cycles in Air 45kV, 95-100℃ Heat 5hrs/Cold 3hrs in 60times
No breakout or flashover
No breakout or flashover
≤10pC
≤10pC
No breakout or flashover
No breakout or flashover
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12 / 24KV Electric Cable Accessories , Rubber Straight Cold Shrinkable Joint Images |