Silicone Suspension/Tension Insulator 120kN - … Suspension-Tension-Insulators... · Silicone...

up to LIWV 450kV (BIL)

splicetec ag · Bösch 37 · CH-6331 Hünenberg · Tel +41 (0)41 768 65 85Fax +41 (0)41 768 65 80 www.splicetec.ch · e-mail [email protected]

Silicone Suspension/TensionInsulator 120kN

CABLE SYSTEMS FOR ENERGY & ROLLING STOCK APPLICATIONS

MV Silicone Tension Insulators

The high tensile strength of glass fibrehas been combined with our HV shedprofile, to produce this rugged, light-weight tension insulator for overheadline applications up to LIWV (BIL) rating of 450kV

The glass fibre core provides highmechanical strength with tensile valuesof greater than 120kN. TE’s siliconeinsulator profile utilises similar designs,materials, technology and know howthat has been employed for nearly 40 years in the Raychem, BowthorpeEMP and Axicom medium and highvoltage insulator product portfolios.

Silicone is a hydrophobic material witha performance today of both proventracking and erosion resistance andUV stability that gives a good balanceof technical performance in a widerange of climatic and pollution condi-tions.

The construction consists of TE compact creepage design insulatorprofile which have the same diametersheds in order to maximise flashoverperformance in polluted environmentsover a minimum insulator length.

Benefits and Key Features

• TE Connectivity Know how• TE Connectivity branded, contract

manufactured• 120kN Tension rating (SML)• Interchangeable metal end fitting

selection• Reliable tensile performance• Light weight for easier installation• Silicone housing has excellent

hydrophobic properties• Shed design to minimize insulator

length per kV rating• Shock and vibration resistant,• Good tracking and erosion resistance

performance• Maintenance free• Tested in accordance to IEC61109 &

IEC62217• Quality design and manufacture to

ISO9001

Excellent Hydrophobic Properties

The hydrophobic silicone housing ismoulded directly over the glass fibrerod and an erosion resistant sealant is used between the end fitting andsilicone to give a moisture resistantbarrier.

The hot dip galvanised steel end fittingsare crimped onto the glass fibre coreproviding high strength corrosionresistant fixing points.

Silicone Suspension / Tension Insulators up to LIWV 450kV (BIL)


Insulator Considerations

TE Connectivity 120kN SiliconeSuspension / Tension insulator rangeis designed for 6 different metal endfittings, each of which can be selectedwith any other to make any combina-tion required.

The overall total insulator length willvary dependant upon the metal endfitting selections.

Metal End Fitting Selection

Choose any combination or orientation,between the seven below metal endfittings and from the table overleafnote the specific characteristics ofeach end fitting you have selected.

Max Nominal Nominal Number Min Dry AC Min Wet AC Min Dry AC Min Wet AC Min Lightning ImpulseSystem Creepage Dry Arc of Withstand Withstand Flashover Flashover Withstand LIWVVoltage (mm) (mm) Sheds (kV) (kV) (kV) (kV) (kV)

24 444 200 5 85 55 100 65 160

24 595 255 7 100 65 115 75 185

36 746 305 9 125 85 130 105 205

36 897 349 11 140 105 150 120 230

36 1047 400 13 160 125 170 140 255

52 1198 460 15 185 145 195 165 290

Electrical Properties Selection

Select either the operating voltage orthe LIWV (BIL) rating from the belowchart, read off the creepage distanceand compare this value with your mini-mum creepage requirement for yourapplication. If the creepage value is lessthan your minimum requirement thensearch down the creepage column untilyou either exceed or get very close toyour actual minimum creepage require-ment. Read off the shed number andverify all electrical parameters on theselected row meets the electrical insulation needs.

Alternatively cross reference the Lightning Impulse Withstand Voltage (LIWV)kV peak rating chart below, to determine minimum system voltage and thentake into account your pollution / creepage considerations.

Highest voltage Standard rated short Standard rated for equipment duratio power-frequency lightning impulse(Um) withstand voltage withstand voltage (LIWV)kV kV kV(r.m.s. value) (r.m.s. value) (r.m.s. value)

3.6 102040

7.2 2040 60

6012 28 75

95

17.5* 387595

9524 50 125

145

36 79145170

52* 95 250

72.5 140 325

100** 185 450NB * These Um are non preferred values in IEC 60038 and thus no most frequently combinations

standardized in apparatus standards are given**This Um value is not mentioned in IEC 60038 but has been introduced in the range in

some apparatus standards

15 Shed Wet AC test

15 Shed Dry LItest

15 Shed SteepFront Impulsetest



Specifying and Naming Convention

Specifying Silicone Tension / Suspension InsulatorsTo specify the correct insulator, it is necessary to define the following characteristics:• Specified mechanical load (SML) [kN]• Operating Voltage and or LIWV (BIL) [kV] • Nominal Creepage Distance [mm]• Metal End Fittings or couplings

Designation of Silicone Tension / Suspension InsulatorsIn accordance with IEC 61466-1, composite tension insulators are assigned a reference designation which indicates:• Insulator type• Mechanical strength• Metal End Fitting type

Requirement designation examples:1) CS 120 S16 B16 2) CS 120 T16N C16N Where:CS = Composite longrod insulator120 = 120kN specified mechanical loadS16 = Top end Socket fitting, according toIEC 120, size 16B16 = Bottom end Ball fitting, according toIEC 120, size 16T16N = Top end Tongue fitting, according toIEC 61466-1, size 16NC16N = Bottom end Clevis fitting, accordingto IEC 61466-1, size 16N

TE Naming examples:1) LR-CSxxxSByyyy-zzzzCSG2) LR-CSxxxTCyyyy-zzzzCSGEF's are designed to relevant IEC Spec

TE Naming Conventions

LR-CSxxxTByyyy-zzzzMMF

IEC designation for composite Long Rod

SML [kN] eg: 120

Top Coupling eg: B, S, T, C, Y, E

Bottom Coupling eg: B, S, T, C, Y, E

LIWV Rating (BIL) [kV] eg: 145, 170, 250

Creepage [mm] eg: 444, 595, 746, 897, 1047, 1198

Material eg: Composite

Housing eg: Silicone

Colour eg: Grey

Socket Top End Fitting

Overmoulded Seal

Silicone Housing

FRP Rod - Fibre Glass ReinforcedPultruded Core

Ball End Fitting


Contact your splicetec Co. Ltd. Salesperson for either support in selecting your configuration or else with yournaming convention ready for a pricing and lead-time quotation


Schematic Schematic Description Designation Operating Total Comment

Length Length

(mm) (mm)

Shed No: Creepage

Insulator Core 5 154 154 444

Silicone Covering 7 206 206 595

FRP Core e-glass 9 258 258 746

Compliant to 11 310 310 897

IEC 61109 13 362 362 1047

15 414 414 1198

B 100 113 IEC Spec

Ball and Socket Size 16

Galvanised Steel* S 103 112 IEC Spec

Size 16

T 107.5 129.5 IEC Spec

Tongue and Clevis Size 16N

Galvanised Steel** C 107.5 132 IEC Spec

Size 16N

E 127 158 IEC Spec

Y and Eye Size 24

Galvanised Steel** Y 122 138 IEC Spec

Size 19

* compliant to IEC 120** compliant to IEC 61466-1

Insulator Configuration

Overall Tension Insulator Dimensioning

Choose any combination or orientation, between the seven metal end fittings from the table above noting the specificcharacteristics of each end fitting selected and simply add the respective selected measurements to determine the overall length and the operating length

Example 1: (Operating length)11 Shed Socket & Ball = (11 Shed = 310mm) (Ball = 100mm) (Socket = 103mm) therefore, 310+100+103 = operating length 513mm

Example 2: (Total length)7 shed Tongue & Clevis = (7 shed = 206mm) (Tongue = 129.5mm) (Clevis = 132mm)therefore, 206+129.5+132 = total length 467.5mm


Contact your splicetec Co. Ltd. Salesperson for either support in selecting your configuration or else with yournaming convention ready for a pricing and lead-time quotation


Asset protection

Low-voltage surge arresters

Insulation enhancement systems for substations and

overhead. Designed to prevent unplanned outages due to

accidental bridging and to help upgrade insulation levels

at critical points in systems.

LV arresters are used to provide protection for LV

overhead lines, consumer in-house supplies, distribution

transformers and other appliances.

Metal oxide varistor, distribution arresters for indoor and

outdoor applications for protection of overhead lines,

DC locomotives and switchgear applications.

Porcelain and polymeric series parallel and single column

constructed arresters for protection of transmission

systems up to 550 kV.

Insulators and insulating components/housings providing

reliable solutions for power utilities and railway customers

with installations in high pollution environments and

applications up to 400 kV.

Insulators for applications up to system voltages of 132 kV.

This range of insulators offers a cost-effective solution for

low and medium polluted environments.

Medium-voltage surge arresters

High-voltage surge arresters

Polymeric insulators

Porcelain insulators

Contact us at: [email protected]






Other products and brochures available from splicetec Co. Inc.

splicetec Co. Inc. – innovative and economical solutions for the electrical power industry: cable accessories, connectors & fittings, insulators & insulation, surge arresters, switching equipment, lighting controls, power measurement and control.

splicetec Co. Inc.Bösch 37 CH-6331 Hünenberg ZG / Switzerland

Telefon: +41 41 768 65 85Telefax: +41 41 768 65 80E-Mail: [email protected]

www.splicetec.ch

CABLE SYSTEMS FOR ENERGY & ROLLING STOCK APPLICATIONS

Silicone Suspension/Tension Insulator 120kN - … Suspension-Tension-Insulators... · Silicone...

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