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The LXY Series U70B Glass Insulator is a high-strength toughened glass suspension insulator designed for overhead power transmission and distribution lines. This U70B glass insulator provides excellent electrical insulation and mechanical performance, ensuring stable conductor suspension under various environmental conditions. With its self-cleaning surface and transparent structure, the insulator allows easy visual inspection and long-term reliable operation in power networks.
High mechanical strength for conductor suspension
Made from toughened glass with stable electrical performance
Excellent resistance to aging and weather conditions
Transparent structure allows easy visual inspection
Smooth surface with strong self-cleaning capability
Low maintenance cost during long-term operation
Stable performance under high mechanical load
Suitable for polluted and harsh environments
Standardized design compatible with common fittings
Utility-grade quality for transmission and distribution systems
(1) Compared with porcelain, it has a very high dielectric strength;
(2) High electrical resistivity;
(3) Compared with porcelain insulators, it has higher tensile strength;
(4) Due to its transparent nature, it will not be heated in sunlight like porcelain;
(5) The impurities and bubbles inside the glass insulator body are easily detected due to their transparency;
(6) The service life of glass is very long because its mechanical and electrical properties are not affected by aging;
(8) Glass is cheaper than porcelain.
Overhead transmission lines
Overhead distribution lines
Suspension and tension insulator strings
Urban and rural power grid projects
High reliability power infrastructure installations
• Select the appropriate LXY series U70B glass insulator according to line voltage and mechanical load requirements.
• Assemble the insulator into a suspension or tension string using standard fittings.
• Install the insulator string onto transmission towers or poles.
• Attach conductors securely to ensure proper load distribution.
• Perform visual inspection after installation to confirm integrity.
Type | IEC Class | D mm | Hmm | Creepage Distance mm | Coupling Size | Min.Mechanical Failing Load KN | Min.Impact Failing Load KN | Min.Lighting Impulse Withstand Volt .KV | Power Frequency Withstand Volt.KV | Approx.Net Weight kg | |
Min.Wet One Minute | Min.Puncture volt. | ||||||||||
LXY-70 | U70BS | 255 | 127 | 320 | 16 | 70 | 565 | 100 | 40 | 110 | 3.7 |
LXY-70 | U70B | 255 | 140 | 320 | 16 | 70 | 565 | 100 | 40 | 110 | 3.77 |
Manufactured using high-quality toughened glass materials
Strict mechanical and electrical performance testing
Consistent quality for long-term outdoor operation
Conforms to international utility standards
Factory inspection before delivery
Q1: What is the LXY series U70B glass insulator used for?
A1: It is used for suspending conductors in overhead transmission and distribution lines.
Q2: Why choose a glass insulator instead of porcelain?
A2: Glass insulators allow visual inspection and have excellent aging resistance.
Q3: Is the U70B glass insulator suitable for polluted areas?
A3: Yes, its smooth surface provides strong self-cleaning ability.
Q4: Does it require frequent maintenance?
A4: No, it requires minimal maintenance during operation.
Q5: Can it be used in high-load transmission lines?
A5: Yes, it offers high mechanical strength suitable for heavy loads.
