High Voltage Busbar Heat Shrinkable Tube
Heat shrinkable busbar protection tube is used for busbar insulation protection of substation and high and low voltage switch cabinet. Heat shrinkable busbar protection tube is capable of making switch cabinet compact, like reducing the interval distance, to Prevent accidental short circuit fault.
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FEATURES
• Shrinkable ratio : 2:1
• Flame retardant
• Reduces bus bar clearance requirements
• Insulation protection for busbar in switchgear and substation
• Protect against short circuit and electrical leakage caused by small animals
• Resistant to UV rays
• RoHS compliant.
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TYPICAL APPLICATIONS
Material data: Polyolefin
Operating temperature: -40˚C~125˚C
Minimum shrink temperature: 70˚C
Full recovery temperature: Above 120˚C
Standard color: Red, yellow and green (Other colors, such as black, blue, etc can be customized)
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TECHNICAL DATA
| Property | Requirements | Testing standard |
| Tensile strength/ MPa | ≥8.0 | ASTM D 2671 |
| Elongation at break/ % | ≥300 | ASTM D 2671 |
| Tensile strength after aging/ MPa | ±20% | ASTM D 2671 (130℃X168h) |
| Elongation at break after aging/ % | ±20% | ASTM D 2671 (130℃X168h) |
| Longitudinal shrinkage/ % | ±10% | ASTM D 2671 |
| Radical shrinkage/ % | Should be not less than 50% | ASTM D 2671 |
| Eccentricity/ % | Should be not less than 30% | UL 224 |
| Water absorption capacity/ % | ≤0.5 | ISO 62-1980 |
| Heat shock (160℃, 4h) | No cracking | JB 7829 appx D |
| Low temperature resistance (below-40℃) | No cracking | ASTM D 2671 (-40℃,4h) |
| Flammability test(I.O) | ≥28 | ISO 4589-1981 |
| Breakdown strength/ kV/mm | ≥15 | IEC 60243-1-2013 |
| Volume resistivity/ Ω·cm | ≥4.3×1014 | IEC 60093 : 1980 |
| Hardness (Shore A) | ≤90 | ISO 868 : 2003 |
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DIMENSIONS
| Part no. | Norminal size (mm) | Size basbar L+T | As supplied(mm) | After recovery(mm) | Standard length (m) | |
| ID(D) | ID(d) | Wall thickness | ||||
| SLPG-0250 | 25 | 20x10 25x5 25x10 | 26.0±0.5 | ≤12.5 | 0.90±0.15 | 50 |
| SLPG-0300 | 30 | 30x5 30x10 | 31.5±1.0 | ≤15 | 0.95±0.15 | 50 |
| SLPG-0350 | 35 | 40x10 | 36.5±1.5 | ≤16 | 1.00±0.15 | 50 |
| SLPG-0400 | 40 | 40x10 50x2.5 | 41.5±1.5 | ≤20 | 1.00±0.15 | 50 |
| SLPG-0450 | 45 | - | 41.5± | ≤23 | 1.00±0.15 | 25 |
| SLPG-0500 | 50 | 50x5 50x10 | 51±2.0 | ≤25 | 1.00±0.15 | 25 |
| SLPG-0600 | 60 | 60x5 50x10 | 60±3.0 | ≤30 | 1.30±0.20 | 25 |
| SLPG-0700 | 70 | 80x5 75x10, 80x10 | 70±3.0 | ≤35 | 1.30±0.20 | 25 |
| SLPG-0800 | 80 | 100x5 100x10 | 80±3.0 | ≤40 | 1.46±0.20 | 25 |
| SLPG-0900 | 90 | - | 90±4.0 | ≤45 | 1.46±0.20 | 25 |
| SLPG-1000 | 100 | 120x10, 125x10 | 100±4.0 | ≤50 | 1.46±0.20 | 25 |
| SLPG-1200 | 120 | 140x10 150x6, 150x10 | 120±4.0 | ≤60 | 1.46±0.20 | 25 |
| SLPG-1500 | 150 | 160x10 180x10, 190x5.5 | 150±4.0 | ≤75 | 1.46±0.20 | 25 |
| SLPG-1800 | 180 | 200x10 | 180±4.0 | ≤90 | 1.46±0.20 | 25 |
| SLPG-2100 | 210 | - | 210±4.0 | ≤105 | 1.46±0.20 | 25 |
| SLPG-2300 | 230 | - | 230±4.0 | ≤115 | 1.46±0.20 | 25 |
| SLPG-2500 | 250 | - | 250±5.0 | ≤125 | 1.46±0.20 | 25 |
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