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
• Excellent medium wall thickness insulation and 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 | Test method | Standard value |
| Tensile strength | GB/T 1040 | ≥8MPa |
| Elongation at break | GB/T 1040 | ≥300% |
| Tensile strength after aging | GB/T 1040, GB/T 7141 | ≥6.4MPa (130˚C, 168 hrs) |
| Elongation at break after aging | GB/T 1040, GB/T 7141 | ≥100% (130˚C, 168 hrs) |
| Hardness (Shore A) | ISO 868 | ≤90 |
| Dielectric strength | IEC 60243 | ≥25kV/mm |
| Volume resistivity | IEC 60093 | ≥1x1014Ω.cm |
| Dielectric constant | IEC 60250 | ≤3.0 |
| Longitudinal shrinkage | ASTM-D-2671 | ≤10% |
| Eccentricity | ASTM-D-2671 | ≤30% (10kV); ≤50%(35kV) |
| Water absorption | ISO 62 | ≤0.5% |
| Flammability (Oxygen index) | ISO 4589 | ≥28 |
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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) | Wall thickness(W) | ID(d) | Wall thickness(w) | ||||
| SMPG-0150 | 15 | 12x3 12x5 | 15.0±0.8 | 1.20±0.30 | ≤8 | 2.10±0.30 | 25 |
| SMPG-0200 | 20 | 15x10 20x5 | 20.0±0.8 | 1.20±0.30 | ≤10 | 2.10±0.30 | 25 |
| SMPG-0250 | 25 | 20x10 25x5, 25x10 | 25.0±0.8 | 1.20±0.30 | ≤12.5 | 2.10±0.30 | 25 |
| SMPG-0300 | 30 | 30x5 30x10 | 30.0±0.8 | 1.20±0.30 | ≤15 | 2.10±0.30 | 25 |
| SMPG-0400 | 40 | 40x10 50x2.5 | 40.0±1.0 | 1.20±0.30 | ≤20 | 2.30±0.30 | 25 |
| SMPG-0500 | 50 | 50x5 50x10 | 50.0±3.0 | 1.20±0.30 | ≤25 | 2.30±0.30 | 25 |
| SMPG-0600 | 60 | 60x5 60x10 | 60.0±3.0 | 1.20±0.30 | ≤30 | 2.30±0.30 | 25 |
| SMPG-0700 | 70 | 80x5 70x10, 80x10 | 70.0±3.0 | 1.20±0.30 | ≤35 | 2.30±0.30 | 25 |
| SMPG-0800 | 80 | 100x5 100x10 | 80.0±3.0 | 1.20±0.30 | ≤40 | 2.30±0.30 | 25 |
| SMPG-1000 | 100 | 120x10 125x10 | 100.0±4.0 | 1.20±0.30 | ≤50 | 2.40±0.30 | 25 |
| SMPG-1200 | 120 | 140x10 150x6, 150x10 | 120.0±4.0 | 1.20±0.30 | ≤60 | 2.40±0.30 | 25 |
| SMPG-1500 | 150 | 160x10 180x10, 190x5.5 | 150.0±4.0 | 1.20±0.30 | ≤75 | 2.40±0.30 | 25 |
| SMPG-1800 | 180 | 200x10 | 180.0±5.0 | 1.20±0.30 | ≤90 | 2.40±0.30 | 25 |
| SMPG-2100 | 210 | - | 210±5.0 | 1.20±0.40 | ≤105 | 2.40±0.30 | 20 |
| SMPG-2300 | 230 | - | 230±5.0 | 1.20±0.40 | ≤115 | 2.40±0.30 | 20 |
| SMPG-2500 | 250 | - | 250±5.0 | 1.20±0.40 | ≤125 | 2.40±0.30 | 20 |
| SMPG-3000 | 300 | - | 300±5.0 | 1.20±0.40 | ≤150 | 2.40±0.30 | 15 |
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