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Composite station post and line post insulators, integral components of power transmission systems, feature a fiberglass reinforced polymer (FRP) core and a silicone rubber housing, providing distinct advantages over conventional porcelain insulators. Their main strengths lie in superior mechanical resilience, enabling them to withstand extreme weather conditions and be deployed in longer strings, potentially reducing support structure requirements. Additionally, these insulators exhibit excellent pollution resistance, repelling dust and salt deposits, making them well-suited for harsh environments like coastal areas.
Further benefits include their lighter weight, facilitating easier handling and installation, and an extended service life, resulting in reduced maintenance needs and enhanced durability against vandalism or accidental impact. This, in turn, leads to significant cost savings over the lifespan of a transmission line.
In terms of applications, composite insulators find use in various high voltage transmission and distribution systems, including substations and power lines. Their suitability for areas with harsh weather or high pollution levels, as well as for long-distance transmission lines requiring fewer support structures, underscores their versatility and cost-effectiveness. Overall, composite station post and line post insulators stand out for their superior mechanical strength, pollution resistance, and longevity, making them ideal for diverse high voltage applications, especially in challenging environments or for extended transmission lines.
Shed connected with core by integral foring
Acid resistant , hight temperature resistant of epoxy fiberglass core
Metal end fittings , core and sheds connected by new crimping process
Hot galvanization and technology of rareearth aluminum coating to avoid coating
Outdoor Cut out fuse Rated voltage: 3kV, 10kV, 15kV, 24kV, 27kV, 33kV, 36kV Current up to: 100A, 200A
View MoreA fuse is a compact overcurrent protection device that melts its internal element when current exceeds a set limit, instantly interrupting the circuit. Widely used in power distribution, switchgear, transformers and control panels, high-quality fuses ensure fast fault isolation, enhance circuit safety and improve system reliability.
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A fuse is a compact overcurrent protection device that melts its internal element when current exceeds a set limit, instantly interrupting the circuit. Widely used in power distribution, switchgear, transformers and control panels, high-quality fuses ensure fast fault isolation, enhance circuit safety and improve system reliability.
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Fuse cutouts offer protection of distribution line assets from current surges and overload conditions. Enjoy rapid turnaround on personalized quotations, keeping your projects on schedule and within budget. Partner with our friendly team of seasoned utility industry veterans—boasting decades of proven expertise—to deliver reliable service and support every step of the way.
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Insulator Model Rated Mechanical Failing Load (kN) Nominal Structure Height (mm) Nominal Diameter (mm) Creepage Distance (mm) Connection Type Mark (mm) Tensile Load Test (kN) Lightning Impulse Withstand Voltage (kV) Power Frequency Wet Withstand Voltage (kV) Power Frequency Flashover Voltage (kV) Radio Interference Voltage at 10kV, 1MHz (μV) UG70B146/450D 70 146 280 450 16 35 120 45 130 50 UG100B146/450D 100 146 280 450 16 50 120 45 130 50 UG120B146/450D 120 146 280 450 16 50 120 45 130 50 UG160B155/450D 160 155 280 450 20 80 130 50 130 50 UG210B170/450D 210 170 280 450 20 105 130 …
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The open insulator design prevents solid contaminants such as dust and sand from accumulating on the lower surface of the insulator. This allows the wind to self-clean, reducing the impact of dust and sand on the insulating properties of the insulator.
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Room 1502, NO.12, Shangwu Waihuan Road, CBD, Zhengzhou, China
+86-18937178812
sales@gridinsulators.com
May 16, 2025