SRBB 50-18
Heat shrinkable medium wall tube
protection for busbar systems and reduction of minimum clearance
Art. no.
201944
| Product family | SRBB |
|---|---|
| Main description | Heat shrinkable medium wall tube |
| Sub description | protection for busbar systems and reduction of minimum clearance |
| Family description | The heat shrinkable tubes type SRBB are medium-walled, without thermoplastic adhesive with a shrinkage ratio of 3:1. Typical applications are medium voltage substations up to 36 kV as well as suitable for corrosion protection. |
| Notes | A standard spool may include sections which have been tied together., Other lengths available on request. |
| Characteristics | Medium wall, Stabilized against UV rays, Halogen-free, Tracking resistance, Non-corrosive, Resistant to bacteria and fungi, Free of lead and cadmium, Silicone free |
| Applications | Allows for clearance reduction between busbars in medium voltage substations up to 36 kV |
| Test standards | IEC 60684-2 |
|---|---|
| Materials | Cross-linked polyolefin |
| Selection Note | spools |
| Recommended application range busbar round: Diameter min | 18 mm |
| Recommended application range busbar round: Diameter max | 35 mm |
| Recommended application range busbar rectangular: Width B | 31 mm |
| Recommended application range busbar rectangular: Height H | 60 mm |
| Length L | 30 m |
| Colours | red brown |
| Inner diameter before shrinking (mm) | 50 mm |
| Inner diameter after shrinking (mm) | 18 mm |
| Recovered wall thickness | 2,7 mm |
| Hardness | 39 Shore D |
| Hardness (associated standard) | DIN 53505 |
| Elongation at break | 500 % |
| Elongation at break (associated standard) | IEC 60684-2 |
| Tensile strength at break | 16 MPa |
| Tensile strength at break (associated standard) | IEC 60684-2 |
| Longitudinal shrinkage | +/- 10 % |
| Longitudinal shrinkage (associated standard) | IEC 60684-2 |
| Shrink ratio | 3 : 1 |
| Shrink ratio (associated standard) | IEC 60684-2 |
| Eccentricity expanded | 50 % |
| Eccentricity recovered | 85 % |
| Eccentricity (associated standard) | IEC 60684-2 |
| Operating temperature range min | -40 °C |
| Operating temperature range max | 100 °C |
| Operating temperature range (associated standard) | IEC 60684-3-283 |
| Shrinkage temperature | > 125 °C |
| Burning behaviour | not self-extinguishing |
| Burning behaviour (associated standard) | IEC 60684-2 |
| Flexibility at low temperatures | -40 °C |
| Flexibility at low temperatures (associated standard) | IEC 60684-2 |
| Operation temperature min. | -40 °C |
| Operation temperature max. | 100 °C |
| Operation temperature (associated standard) | IEC 60684-3-283 |
| Specific volume resistivity | 10¹² Ω cm |
| Specific volume resistivity (associated standard) | IEC 60684-2 |
| Dielectric strength | 20 kV/mm |
| Dielectric strength (associated standard) | IEC 60684-2 |
| Corrosion | none |
| Corrosion (associated standard) | IEC 60684-2 |
| Resistance to fungus and decay | Rate 1 |
| Resistance to fungus and decay (associated standard) | IEC 60684-2 |
| Delivery scope | Medium wall heat shrinkable tube, on spool or in lengths | ||
|---|---|---|---|
| Shelf life description | Unlimited shelf life | ||
| Country of origin | Germany | ||
| Customs tariff number | 39173200 | ||
| EAN/GTIN | 4010311057224 | ||
| Packaging type | Meter | Coil | Pal. OW |
| Content quantity | 1 | 30 | 600 |
| Unit of measure | Meter | Meter | Meter |
| Lenght (mm) | 0 | 457 | 1200 |
| Width (mm) | 0 | 457 | 800 |
| Height (mm) | 0 | 147 | 1130 |
| Net weight (kg) | 0,211 | 6,33 | 126,6 |
| Gross weight (kg) | 0,211 | 6,348 | 144,8 |
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