Semi-Conductive Cable Breakout (INSULCORE)
Insulcore Semi-Conductive Cable Breakout seals the crutch of PILC belted cable and provides individual screening to each core, in cross-linked semi-conductive polyolefin.
- Meets IP68 ingress protection
- ASTM D638
- ASTM D792
- ASTM D2240
Choose a size
Selection Chart
- D
- Internal diameter of the body
- d
- Internal diameter of the core fingers
- L / l
- Overall length / finger length
- s
- As supplied
- f
- After free recovery
- Tb, Tc
- Thickness of body and core (finger) after free recovery, ±10%
| Code | No. of cores | Ds(min) | Df(max) | ds(min) | df(max) | Ls(min) | Lf(min) | ls(min) | lf(min) | Tb(±10%) | Tc(±10%) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| GCB-0820 | 3 | 55 | 20 | 25 | 8 | 160 | 188 | 52 | 62 | 3.3 | 2.7 |
| GCB-1330 | 3 | 80 | 30 | 36 | 13 | 185 | 215 | 60 | 75 | 3.6 | 3.3 |
| GCB-1330 A | 3 | 95 | 30 | 39 | 13 | 170 | 215 | 55 | 75 | 3.6 | 3.3 |
| GCB-2145 | 3 | 110 | 45 | 55 | 20 | 190 | 230 | 65 | 90 | 3.5 | 2.9 |
| GCB-2145 A | 3 | 125 | 45 | 55 | 21 | 175 | 230 | 60 | 90 | 3.5 | 2.9 |
| GCB-2755 | 3 | 140 | 56 | 68 | 29 | 200 | 250 | 75 | 90 | 3.5 | 3.9 |
| GCB-2755 A | 3 | 170 | 56 | 70 | 29 | 180 | 255 | 70 | 90 | 3.5 | 3.9 |
All dimensions are in mm. * New sizes (no row on the sheet is marked). Source: GALA INSULCORE Heat Shrink Semi Conductive Cable Breakout sheet, Issue 2, January 2024.
Material properties
Technical Specification
| Properties | Value | Standard |
|---|---|---|
| Physical | ||
| Tensile Strength | 12 N/mm² (Mpa) (min.) | ASTM D638 |
| Ultimate Elongation | 300 % (min) | ASTM D638 |
| Density | 1.10 ± 0.2 gm/cm³ | ASTM D792 |
| Hardness | 45 ±10 Shore D | ASTM D2240 |
| Water absorption | 0.5 % (max.) | ASTM D570 |
| Thermal | ||
| Accelerated ageing | (120 °C for 500 hrs) | ASTM D2671 |
| Tensile Strength | 11 N/mm² (Mpa) (min.) | ASTM D638 |
| Ultimate Elongation | 250 % (min.) | ASTM D638 |
| Heat Shock (250 °C for 30 min) | No Cracking or flowing | ESI 09-11 |
| Shrink Temperature | 125 °C | IEC 216 |
| Continuous Temperature Limit | -40 to +100 °C | IEC 216 |
| Electrical | ||
| Volume Resistivity | 1 x 10⁷ Ohm.cm (max) | ASTM D257 |
Source: GALA INSULCORE Heat Shrink Semi Conductive Cable Breakout sheet, Issue 2, January 2024.
Dimensions & Drawings
PILC belted cable has no per-core screen inside the belt insulation. This breakout both seals the crutch and reconstructs that missing screen on each core, in a red-mastic-lined semi-conductive material.
Covered on this page
- Semi Conductivecable Breakout - INSULCORE Sami Conductive
Features & Benefits
- Cross-linked semi-conductive polyolefin material
- Internally coated with water-resistant red mastic
- Meets IP68 ingress protection
- Volume resistivity 1 x 10⁷ ohm.cm min (ASTM D257)
- Tensile strength 12 N/mm² min, ultimate elongation 350% min (ASTM D638); density 1.10±0.2 g/cm³ (ASTM D792)
- Shrink temperature 125°C, continuous temperature limit -40°C to +110°C (IEC 216)
- Selection chart GCB-0820 to GCB-2755 for 3-core cable
Applications
- Sealing the crutch area of PILC belted cable
- Individual core screening on multi-core belted cable
Standards & Compliance
- ASTM D638
- ASTM D792
- ASTM D2240
- ASTM D570
- ASTM D2671
- ESI 09-11
- IEC 216
- ASTM D257
FAQs
Frequently Asked Questions
What is the Semi-Conductive Cable Breakout used for?
It is used for:
- Sealing the crutch area of PILC belted cable
- Individual core screening on multi-core belted cable
How do I choose the right size?
Use the selection chart on this page: it lists every code with its dimensions, and the key above it says what each column means. If you are not sure which fits, send the dimensions you are working to with the form below.
Which standards and test methods are quoted for it?
These, with the values in the Technical Specification on this page:
- ASTM D638
- ASTM D792
- ASTM D2240
- ASTM D570
- ASTM D2671
- ESI 09-11
- IEC 216
- ASTM D257
Where can I download the datasheet?
From the "Download datasheet" button at the top of this page, or here:
Can I get a quote, a sample or a size that is not listed?
Send your cable details, quantity and application with the "Request a Quote or Sample" form at the foot of this page. For a size or variant that is not in the chart, describe what you need there, or use Technical support at the top of the page, and the technical team will confirm what can be supplied.

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