General
Nominal voltage	300/500 V
Test voltage	2000 V
Temperature range in motion	-25 to +180 °C
Temperature range, non-operating	-40 to +180 °C
Short-term temperature	+250 °C
Bending radius when free-laid	6 x cable diameter
Bend radius flexible	12 x cable diameter
Burning behaviour	Test method B (IEC 332-1)
Conductor	Tinned copper stranded wire class 5
Wire insulation	Silicone rubber
Sheath	Silicone rubber
Colour	Red-brown
Conductor marking	VDE 0293-308
Protective conductor	Green-yellow

The silicone hose cable SIHF-JB 3G1,5 from böhm Kabel is a heat-resistant cable for movable connection applications in environments with high temperatures. It is used in industries such as metallurgy, steel and rolling mill technology, packaging machinery, safety technology, control, measurement and regulation technology, as well as in cement, glass and ceramics processing. It is also suitable for use in sauna construction and in heating, cooling and climate technology due to its thermal resistance. The cable is characterised by its high flexibility combined with resistance to high temperatures and is designed for use in industrial and technical installations.

Applications

The cable is intended for movable connections in environments with increased thermal loads. It is particularly suitable for applications where high mechanical stress and simultaneous heat exposure occur, such as in metalworking industries, high-temperature processes in the ceramics and glass industries, or in climate and heating technology. Its applications range from movable machine components to systems integrated into sauna construction or industrial heating systems.

Functions and Equipment in Detail

The cable consists of tinned copper strands of category 5, ensuring high flexibility and durability. The conductors are insulated with silicone rubber, providing high heat resistance and chemical resistance. Conductor identification follows VDE 0293-308; for more than five conductors, black conductors are numbered, with the protective conductor marked green-yellow. The sheath is also made of silicone rubber and is coloured reddish-brown. This material combination ensures high mechanical strength and weather resistance.

Technology Explained Simply

The cable is rated for a nominal voltage of 300/500 V and has a test voltage of 2000 V, ensuring high electrical insulation performance. The temperature range is -25 °C to +180 °C for movable use and -40 °C to +180 °C for stationary use. The cable can withstand temperatures up to +250 °C for short periods. The minimum bending radius is 6 times the cable diameter for free installation and 12 times for flexible use, enabling safe and durable bending without material damage. The burning behaviour corresponds to test type B (IEC 332-1), meaning the cable is flame-retardant and self-extinguishing. These properties make it a safe choice for technical installations.

Compatibility and Accessories

The cable is designed for use in systems requiring high thermal and mechanical loads. It is compatible with standard connectors, terminals and other connection elements rated for 300/500 V and the corresponding cross-sections. Use in combination with other silicone cables or in installations requiring high flexibility and heat resistance is possible.

Installation and Mounting

Installation is carried out by laying the cable in free or guided form, ensuring the specified bending radius is maintained to avoid material fatigue. The cable can be installed in indoor and outdoor applications, with the weather resistance of the silicone sheath enabling safe outdoor use. Connections are made using suitable terminals or connectors rated for the nominal voltage and cross-section. No special mounting equipment is required, although mechanical and thermal loads during installation should be considered.

Operational Advantages

The cable offers high operational safety due to its heat-resistant and flame-retardant properties. The combination of silicone sheath and insulation ensures a long service life, even under high thermal loads. The halogen-free composition reduces the formation of toxic fumes in the event of a fire. Cold flexibility allows safe use even at low temperatures, expanding its range of applications. Good weather resistance also makes the cable suitable for outdoor installations.