Silicon composite
insulator
Silicon insulators
Transmission and distribution: a single supplier, for a wide range of solutions
Bonomi is able to supply a complete range of composite insulators for overhead transmission lines (66 – 800 kV) and for distribution lines (up to 66 kV).
Our isolators are made with one shot technology for lengths up to 4 meters and in two shots for longer lengths.
![isolatori-compositi-960x720](https://www.gruppo-bonomi.com/wp-content/uploads/elementor/thumbs/isolatori-compositi-960x720-1-po2oiu4e3hzh1j4em1qw1wd5f5rezuor3pey84j4vi.jpeg)
![44A9837-2-scaled](https://www.gruppo-bonomi.com/wp-content/uploads/elementor/thumbs/44A9837-2-scaled-2-po2oigynfthgizniqw242zop3rka038idwa5i92nam.jpeg)
![bonomi_rebosio_1144-2-scaled](https://www.gruppo-bonomi.com/wp-content/uploads/elementor/thumbs/bonomi_rebosio_1144-2-scaled-1-po2ojcx5w6p7hqd3k9vffrmdav6r9srduagntnr9f2.jpeg)
![laboratori11](https://www.gruppo-bonomi.com/wp-content/uploads/elementor/thumbs/laboratori11-po2oixvquu4mbyyy03debvezsp8vun3og80w58dk6m.jpeg)
Test and quality
Our composite insulators are made of STF 0010 silicone rubber, a material that has passed various accelerated aging tests, including:
- 5000 hours according to standard IEC 61109, IEC 62217 and IEC 62730;
- 30,000 cycles according to IEEE Std 1024;
- 1000 hours according to IEC 61109 and IEC 62217;
- 3000 hours under the action of ultraviolet rays according to ASTM G26.
Types of insulators
![3-36-1](http://www.gruppo-bonomi.com/wp-content/plugins/revslider/public/assets/assets/dummy.png)
- Rigid insulators;
- Silicone coated hollow insulators for switches.
![500-1](http://www.gruppo-bonomi.com/wp-content/plugins/revslider/public/assets/assets/dummy.png)
- Insulating shelf system;
- Silicone coated cable insulators for switches, for current transformers, for voltage transformers.
![3.800-1](http://www.gruppo-bonomi.com/wp-content/plugins/revslider/public/assets/assets/dummy.png)
- Suspension insulators, amarine;
- Phase spacers;
- Silicone coated hollow insulators for switches.
![3-400-1](http://www.gruppo-bonomi.com/wp-content/plugins/revslider/public/assets/assets/dummy.png)
- Load-bearing insulators for substations and disconnectors;
- Silicone coated hollow insulators for switches.