halogen f r ee, h e a t s hri nkable, 24-36kv bus bar insula tion protection tubing features/applications made from specially formulated radiation cross-linked halogen-free compounds. the carefully produced product can provide high resistance to tracking and arcing. used to enhance the insulation properties of bus bar in switchgear and substations. the continuous length of supplied products makes it more convenient and economical. QBTM, qbth product dimensions q btm-me dium w a ll b u s bar t ubing 24kv 15/6 30/12 40/16 50/20 65/25 75/30 100/40 120/ 5 0 15 3 0 40 5 0 65 7 5 100 120 6 1 2 1 6 20 2 5 30 40 5 0 2.0 2.3 2.5 2.5 2.5 2.6 2.8 2.8 flat flat flat flat flat flat flat flat 3 0 3 0 3 0 15 1 5 1 5 1 5 1 5 150 180 205 235 6 0 60 7 5 7 5 3.3 3.3 3.8 3.8 round round round round product dimensions q b th-heavy w a ll b u s bar tubing 36kv 1000 1000 1000 1000 t echnical dat a property s t andard spool *(ss) (me t e r ) size (mm) inside diameter (min.) inside diameter (max.) after recovered (mm) as supplied (mm) wall thickness (min) 150/ 6 0 180/ 6 0 205/ 7 5 235/ 7 5 typical data t est method t ensile strength heat aging tensile strength ( 120c, 168 hrs.) dielectric strength dielectric const ant volume resistance flammability (oxygen index) copper corros ion cold bend (-40 c , 4 hrs.) w a t er a b s orpt ion astm d 2671 astm d 2671 iec 243 iec 250 i ec 9 3 iso 4589 ul 224 astm d 2671 iso 6 2 (23 c , 14 days) > 14 mpa > 10mpa > 19kv/mm > 10 .cm > 2 5 no corrosion no cracking < 0 . 5 % 1 4 operating temperature: -55 c to +105c minimum shrink temperature: 1 20c rohs compliant halogen f ree c ontinuous l e ngth t ubing cut length t ubing standard packaging *(qb) (mm) not es: 1. * see part number guide for standard packaging codes. hea t shrink medium/heavy w all bus bar tubing > 200% ultimate elongation ultimate elongation astm d 2671 > 800% longit udinal shrinkage astm d 2671 0 to -10% < 3.5 t ubing shape 25/10 40/16 25 40 10 16 4.0 4.0 flat flat 15 15 65 75 95 120 25 25 30 40 4.0 4.0 4.0 4.2 round round round round 1000 1000 1000 1000 s t andard spool *(ss) (me t e r ) size (mm) inside diameter (min.) inside diameter (max.) after recovered (mm) as supplied (mm) wall thickness (min) 65/ 25 75/ 25 95/ 30 120/ 40 c ontinuous l e ngth t ubing cut length t ubing standard packaging *(qb) (mm) t ubing shape 180 58 4.2 round 1000 180/ 58 not es: 1. * see part number guide for standard packaging codes. 2. special sizes, packaging, and cut pieces are available upon request. www.q ualtekusa.com uv and weather resistant
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