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ZION Category Page

Silicone 180℃ Cable

Silicone 180℃ cable is designed for electrical wiring in sustained high-temperature environments where conventional PVC cables are not ideal. This category covers single-core silicone insulated cables, flexible internal wiring cables, and silicone insulated & sheathed options for ovens, heating equipment, switchboards, processing lines, foundries, refrigeration systems, shipbuilding, aircraft construction, and other demanding industrial installations.

180°C Heat Resistance-60°C Cold FlexibilityIndustrial Fixed WiringAppliance Internal WiringLSZH / Flexible OptionsOEM / Custom Supply

  • Choose H03S-K for simple single-core fixed wiring near ovens or electric cookers.

  • Choose SIA or SIAF for industrial high-temperature wiring when you need LSZH silicone-insulated conductors.

  • Choose SIHF-J when you need a silicone outer sheath for tougher industrial surroundings with exposure to oils, acids, alkalis, and oxidants.

■ Category Overview

Silicone 180℃ cable products are built for continuous elevated temperature service while still maintaining flexibility and electrical stability at low temperatures. In this category, Zion currently lists five product options: H03S-K Cable, SIA (H05S-U) Cable, SIAF(H05S-K) Cable, SiF Cable, and SIHF-J Cable. These models differ mainly by conductor class, flexibility, voltage rating, intended wiring style, and whether an outer silicone sheath is included.

ProductConstruction FocusTypical UseBest Fit
H03S-KSingle-core, non-sheathed, silicone insulatedFixed installation in hot areasOvens, electric cookers
SIA (H05S-U)Class 1 solid tinned copperFixed industrial wiringPower plants, foundries, refrigeration
SIAF (H05S-K)Class 5 flexible tinned copperFlexible high-temp industrial wiringPackaging, processing, shipbuilding
SiFFlexible silicone insulated wiring cableInternal appliance wiringLamps, heaters, distribution boards
SIHF-JSilicone insulated + silicone sheathedProtected equipment connectionSteelworks, harsher industrial environments

■ Why Choose Silicone 180℃ Cable

High Continuous Heat Resistance
This family is intended for applications requiring long-term heat resistance up to 180°C, making it suitable for hot processing zones, heating appliances, and thermal equipment wiring.
Low-Temperature Usability
Several models in the range are specified for fixed installation from -60°C to +180°C, giving reliable performance in both cold and hot environments.
Multiple Conductor Styles
You can choose between solid tinned copper, flexible tinned copper, or flexible bare/tinned copper depending on whether your project prioritizes fixed routing, bendability, or terminal convenience.
Application-Specific Options
Some products are better for appliance internal wiring, some for industrial fixed installation, and SIHF-J adds a silicone sheath for more demanding surroundings.
Practical rule: If your project is mainly about hot fixed wiring near heating equipment, start with H03S-K; if it is industrial high-temperature control or power wiring, compare SIA and SIAF; if it is internal appliance wiring, start with SiF; if it is high temperature plus chemical exposure risk, move directly to SIHF-J.

■ How to Select the Right Silicone 180℃ Cable

Decision PointWhat to CheckRecommended Direction
Wiring styleFixed installation or internal equipment wiring?Fixed high-temp installation: H03S-K / SIA / SIAF; internal wiring: SiF
Flexibility requirementDo you need solid or flexible conductor?Solid conductor: SIA; flexible conductor: H03S-K / SIAF / SiF / SIHF-J
Voltage class300/300V, 300/500V, or 0.6/1kV range?Basic appliance/fixed use: H03S-K; broader industrial range: SIA / SIAF / SiF / SIHF-J
Environmental severityIs there exposure to oils, acids, alkalis, or oxidants?For tougher environments, prioritize SIHF-J
Installation spaceDo you need tight routing and easier handling?SIAF and SiF are usually easier choices where flexibility matters
Engineer’s shortcut

Do not choose only by the “180℃” label. The real buying decision comes from the combination of conductor structure, wiring method, voltage requirement, and environmental exposure. That is the difference between a cable that only survives heat and a cable that remains stable in actual service.

■ Recommended Products

H03S-K Cable
Single-core non-sheathed silicone insulated cable

Designed for fixed electrical connection in hot areas such as ovens or electric cookers. Uses Class 5 flexible bare or tinned copper conductor with silicone rubber insulation.

Key points: 300/300V, operating temperature -60°C to +180°C, short circuit temperature up to 350°C for max. 5 seconds.
300/300V    Flexible Conductor    Ovens / Cookers
View Product
SIA (H05S-U) Cable
Solid tinned copper silicone insulated industrial cable

Suitable for power plants and industrial applications including processing, packaging, refrigeration, foundries, aircraft construction, and shipbuilding. Uses Class 1 solid tinned copper conductor.

Key points: 300/500V, 10mm² and above 0.6/1kV, fixed temperature -60°C to +180°C, LSZH design.
Class 1 Solid    300/500V    Industrial Fixed Wiring
View Product
SIAF(H05S-K) Cable
Flexible tinned copper silicone insulated industrial cable

Intended for sustained heat resistance in power plants and industrial environments such as processing, packaging, refrigeration, foundries, aircraft construction, and shipbuilding. Uses Class 5 flexible tinned copper conductor.

Key points: 0.25mm² to 6mm² at 300/500V, 10mm² and above at 0.6/1kV, fixed temperature -60°C to +180°C, minimum bending radius 4 × overall diameter.
Class 5 Flexible    Up to 0.6/1kV    Easy Routing
View Product
SiF Cable
Flexible silicone insulated appliance internal wiring cable

Used for operation in ambient temperatures above 55°C and for internal wiring of lamps, heating equipment, electrical appliances, switching boxes, and distribution boards.

Key points: Class 5 flexible stranded tinned copper, 300/500V, fixed temperature -60°C to +180°C.
Appliance Wiring    300/500V    Heaters / Lamps
View Product
SIHF-J Cable
Silicone insulated and silicone sheathed flexible cable

Used for connection of electrical appliances without mechanical stress at increased environmental temperatures, for example in steelworks, while also remaining usable at low temperatures.

Key points: Class 5 flexible stranded tinned copper, silicone insulation + silicone outer sheath, 300/500V, fixed temperature -60°C to +180°C, sheath resistant to most oils, acids, alkalis and oxidants.
Silicone Sheath    Chemical Resistance    Steelworks Use
View Product
ModelConductorVoltageTemperatureNotable Feature
H03S-KClass 5 flexible bare or tinned copper300/300V-60°C to +180°CShort-circuit up to 350°C / 5 sec
SIAClass 1 solid tinned copper300/500V; 0.6/1kV above 10mm²-60°C to +180°CLSZH industrial fixed wiring
SIAFClass 5 flexible tinned copper300/500V; 0.6/1kV above 10mm²-60°C to +180°CBetter flexibility for routing
SiFClass 5 flexible stranded tinned copper300/500V-60°C to +180°CInternal wiring for lamps and heaters
SIHF-JClass 5 flexible stranded tinned copper300/500V-60°C to +180°CSilicone sheath + media resistance

■ Typical Applications

Ovens & Cooking Equipment
H03S-K is a direct fit for fixed electrical connection around ovens and electric cookers where long-term heat resistance matters.
Industrial Processing Lines
SIA and SIAF are appropriate for processing, packaging, refrigeration, and foundry-related installations that require high temperature stability.
Appliance Internal Wiring
SiF is suitable for internal wiring of lamps, heating equipment, electrical appliances, switch boxes, and distribution boards.
Steelworks & Harsh Areas
SIHF-J is better when the installation area combines elevated temperatures with potential exposure to oils, acids, alkalis, and oxidants.

■ FAQ

1. What is the difference between SIA and SIAF?
The main difference is conductor structure. SIA uses Class 1 solid tinned copper conductor, while SIAF uses Class 5 flexible tinned copper conductor. If your installation needs easier routing or more flexibility, SIAF is normally the better starting point.
2. Which product is best for heating appliances or lamps?
SiF Cable is the most direct choice for internal wiring of lamps, heating equipment, and electrical appliances according to the listed product application.
3. Which cable should I use if I need more protection than a single insulated conductor?
SIHF-J is the stronger option because it adds a silicone outer sheath and is described as resistant to most oils, acids, alkalis, and oxidants.
4. Are these cables only for high temperature?
No. Several models in this category are also specified for fixed installation down to -60°C, which is useful in projects where both cold-start and high-temperature operation must be considered.

■ Request Quote or Technical Support

Tell us your conductor size, voltage class, installation environment, and whether the application is fixed wiring, appliance internal wiring, or industrial equipment connection. Zion can support OEM supply, datasheet requests, and model matching for high-temperature cable projects.

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