Lightweight Protection Against Pollution

GLASS INSULATORS

Glass insulators are intended for overhead power lines with voltages above 1 kV and provide a reliable, durable and cost-effective solution. With a proven service life of 60 to 80 years, they ensure long-term safety and reliable operation of electrical power systems.
 
Their greatest advantage is straightforward damage detection. In the event of failure, the glass shell shatters into small fragments, making the damaged insulator string unit easy to identify from the ground. At the same time, the insulator retains sufficient mechanical strength, allowing the insulator string to continue operating safely until the damaged unit can be replaced as planned. This reduces the risk of unplanned outages and simplifies maintenance.

GPS Insulators manufactures glass insulators in accordance with SRPS EN IEC 60305:2022 (IEC 60305:2021) for overhead lines with rated voltages above 1 kV. Versions with additional pin protection (a “zinc sleeve”) are also available upon request.

Applications: glass insulators are used on overhead lines and in substations at voltage levels above 1 kV, up to the highest transmission voltages

Characteristics: in accordance with SRPS EN IEC 60305:2022 (equivalent to IEC 60305:2021)

Testing: in accordance with SRPS EN IEC 60383-1:2023 (equivalent to IEC 60383-1:2023)

Advantages: long service life, high reliability, straightforward visual damage detection, and easy replacement of individual units and insulator strings

Available: insulators with a glass insulating body, in standard and electrically reinforced profiles, with ball-and-socket or clevis-and-eye couplings, as defined in Tables 1 and 2 of SRPS EN IEC 60305:2022

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