insulation tube halegen free ,busbar protection,1kV Size from 25-180mm Raychem :LVIT different color insulation tube  S1-1 bus bar insulation heat shrinkable tubing Voltage class 1kV ideal for low voltage bus bar insulation Thin wall heat shrinkable tubing for protection and insulation of bus bar against accidents caused by electrified bare bus bar Applications  Bus bar insulation and protection  In switchgears cabinets where space is limited and air spacing between bus bars need to be kept at minimal Features/Benefits  Reduce bus bar clearance requirement  Give designer more freedom in designing switchgear cabinets when space is premium  Protects against accidental flashover up to 1kV  Protects against short circuit and electrical leakage caused small animals  Protects against corrosion dirt and other contaminants that may cause accidental flashover  Halogen Free  Flame resistant with oxygen index higher than 27  Available in continuous length roll form for convenient and economical installation Temperature Rang  Operating Temperature: -40~105  Shrink Temperature: 125 Colour:Black Product Code Cross References  Raychem/Tyco:    LVITTechnical Details:

Test item	Test standard	Typical Data
Density	ASTM D2671	1.3~1.35
Volume resistivity	ASTM D2671	>1014Ω.cm
Tensile strength	ASTM D2671	>12Mpa
Ultimate Elongation	ASTM D2671	>400%
Accelerated Ageing 168hrs at 136Tensile strengthUltimate Elongation	ASTM D2671	>12Mpa>300%
Low temperature flexibility 4hrs at -40	ASTM D2671	No cracking
Heat shock 4hrs at 200	ASTM D2671	No drop no flow
Flammability	ASTM D2863	OI>30
Smoke index	/	Less than 120
Dielectric strength	ASTM D2671	>20kV/mm
Resistance to selected fluids 168hrs at 23Tensile strengthUltimate Elongation	IEC 60684-2	>8Mpa>250%
Thermal endurance	IEC 216	105
Long term ageing 3000hrs at 120Elongation at break	IEC 60684-2	>175%
Copper corrosion 158 for 168hrs	IEC 60684-3	Pass
Color fastness to light	IEC 60684-3	Contrast between exposed and unexposed partsThe color no change
Water absorption 336hrs at 23	ASTM D570	<0.5%

 Product selection 

S1-1	a+bmin~ max (mm)		dmin~ max (mm)		min.thickness for 1kV shrink on the bus bar (mm)	StandardPacking( m/roll )	StandardPacking(roll/Box)
30/10	20	35	12	21	0.8	30	5
75/25	42	85	28	50	0.8	30	3
100/33	55	110	37	70	0.8	30	2
150/50	85	165	55	100	0.8	30	2
180/70	130	195	75	130	1.0	30	1
235/105	175	260	110	160	1.0	30	1