6~35kv Cable Accessories Classification Introduction4E-NLS Cold
Shrinkable Indoor Termination, 4E-WLS Cold Shrinkable Outdoor
Termination, 4E-JLS Cold Shrinkable Joint4E-NLS cold
shrinkableindoor termination, 4E-WLS cold shrinkableoutdoor
termination, 4E-JLS cold shrinkablemiddle joint are mainly composed
of prefabricated body, terminations (indoor and outdoor) or
connecting tube (middle joint) cold shrinkablemulti-core
fingerstall ( supporting multi-core cable), and cold
shrinkableinsulation tubes and relative colormetric tube (indoor
and outdoor termination). The prefabricated body stress cone and
insulating body are using plastic injection molding of liquid
silicone rubber, which has long-term stability of the package tight
force and uniform electric field capacity. Always keep a suitable
radial pressure to the cable body. The interface characteristic is
good without respiration creepage breakdown when cable runs. The
terminations or connecting tube meet cable core material
requirements or users' requirements to ensure the protection of
cable insulation and waterproof. Main structure features:Excellent
raw-material: prefabricated body is composed of high quality liquid
silicone, which has excellent insulation, elongation, and breakdown
properties, small residual deformation after expansion.Cold
shrinkablestructure: using latest expansion equipment and expansion
support tube to ensure product expand without damage. Easy
installation: using cold shrinkableexpansion structure, there's no
need special training, the labor is low due to convenient
installation. 6~35kV Cold Shrinkable Outdoor TerminationLug2.
Marking tube3. Cable insulation 4. Cold shrinkable termination 5.
Stress cone6. Insulation screen layer7. Copper screen8. Cold
shrinkable protective tube 9. Three fingered tube 10. Copper braid
wireSize
mm8.7/15kV12/20kV18/30kV26/35kVL252370370450A≥800≥950≥950≥1300VoltageSection
number12348.7/1525-5070-120150-240300-40012/20,18/30,26/3550-95120-185240-400500-6306~35kV
Cold Shrinkable Indoor TerminationLug2. Marking tube3. Cable
insulation 4. Cold shrinkable termination 5. Stress cone6.
Insulation screen layer7. Copper screen8. Cold shrinkable
protective tube 9. Three fingered tube 10. Copper braid wire 11.
CableSize
mm8.7/15kV12/20kV18/30kV26/35kVL180288288370A≥700≥850≥850≥1200VoltageSection
number12348.7/1525-5070-120150-240300-40012/20,18/30,26/3550-95120-185240-400500-6306~35kV
Cold Shrinkable Middle JointCopper screen2. Constant force spring3.
Stress cone 4. Connecting tube 5. Prefabricated main body6. Copper
net7. Braid wire8. Armour tape 9. Armour 10. CableSize
mm8.7/15kV12/20kV18/30kV26/35kVL378430430488A1300160016001800VoltageSection
number12348.7/1525-5070-120150-240300-40012/20,18/30,26/3550-95120-185240-400500-6306~35KV
cold shrinkableindoor,outdoor termination, and joint electrical
performance parametersRated voltage UO/U (Um)
kV6/10(12.5)8.7/15(17.5)26/35(40.5)Railway Uo=27.5Test result5min
frequency voltage testno flashover, without breakdown under 4.5Uono
flashover, without breakdown1min frequency voltage under rain
testno flashover, without breakdown under 4Uono flashover, without
breakdownPartial discharge at room temperature testdischarge volume
under 1.73Uo ≤10PC≤1.6pCConstant voltage load cycle in the air
testheated 2.5Uo and conductor to a temperature to 95-100°C three
times, no flashover, without breakdownno flashover, without
breakdownPartial discharge at high temperature testheated cable
conductor to 95-100°C,discharge volume under 1.73Uo
≤10PC≤1.6pCPartial discharge at room temperature testdischarge
volume under 1.73Uo ≤10PC≤1.6pCImpulse voltage at high temperature
test75kV 95kV200kV25kVno flashover, without breakdownheated cable
conductor to 95-100°C,both positive and negative polarity 10 times,
no flashover, without breakdownConstant voltage load cycle
testheated 2.5Uo and conductor to a temperature to 95-100°C sixty
times, no flashover, without breakdownno flashover, without
breakdownPartial discharge at high temperature testheated cable
conductor to 95-100°C,discharge volume under 1.73Uo
≤10PC≤1.6pCPartial discharge at room temperature testdischarge
volume under 1.73Uo ≤10PC≤1.6pCImpulse voltage test75kV
95kV200kV250kVno flashover, without breakdownboth positive and
negative polarity 10 times, no flashover, without breakdown15min
frequency voltage testno flashover, without breakdown under 2.5Uono
flashover, without breakdownOutdoor termination salt spray
test1.25Uo,1000h,no flashover, without breakdown, no significant
electrical corrosion and mechanical damageno flashover, without
breakdownIndoor termination wet test1.25Uo,300h,no flashover,
without breakdown, no significant electrical corrosion and
mechanical damageno flashover, without breakdown/* January 22, 2024
19:08:37 */!function(){function s(e,r){var
a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
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