U100BL High-Voltage Glass Insulator 255x146x320mm for Transmission Lines with RTV

• Customization: Available
• Application: High-voltage, Low-voltage, High-temperature
• Material: Glass
• Model NO.: glass insulator, ANSI
• Structure: Suspension Insulator
• Type: A Type Insulator
• Usage: High Voltage Power Transmission, Insulation, Electrical Installation
• Connection Method: Trough Type
• Size of Bearing Capacity: 100KN
• Certification: CCC, CE, ISO9001
• Color: Green
• Voltage: 69KV - 550KV
• Delivery: 60 days
• Label: NJREC or OEM
• Code: 85469010
• Transport Package: Carton/Wooden Pallet
• Origin: China
• HS Code: 85462090
• Production Capacity: 10000/Year

Product Description

 

Product Parameters

 

Parameter	Value
Model	U100BL/255-146
Structure	Disc Suspension Type
Dimensions	255mm (D) x 146mm (H) x 320mm (Creepage)
Mechanical Strength	120KN (26,976 lbf)
Electrical Strength	72kV (Dry) / 45kV (Wet)
RTV Coating Thickness	0.3mm ±0.05mm (Silicon Rubber)
Operating Temperature	-40°C to +80°C

Competitive Advantages

Superior Anti-Pollution Performance

• RTV (Room Temperature Vulcanized) silicone coating prevents flashover in salt fog (<0.35mg/cm² ESDD)
• 450mm creepage distance exceeds IEC 60815 Class IV requirements

Zero Degradation Glass Core

• Tempered borosilicate glass with 0.005% annual degradation rate
• 50-year lifespan under 1000kV AC stress (IEC 60383 verified)

Smart Grid Compatibility

• Capacitance grading rings optional for 550kV+ UHV lines
• <1.5pF/cm radio interference level (1MHz test)

Extreme Environment Resistance

• Withstands 45m/s wind load (IEC 61462 Wind Zone III)
• Ice accretion test passed (20mm radial ice @ -30°C)

Quick Installation System

• Ball & socket connection with 40kN mating force
• Hot-dip galvanized steel accessories (350μm zinc layer)

Certifications & Compliance

• International Standards: IEC 60305, IEC 61466, ANSI C29.2
• National Grids: GB/T 775.3 (China), IS 2486 (India), BS 137 (UK)
• Safety Certification: UL 507, CSA C411.3

Technical Comparison

Feature	Traditional Porcelain	Competitor's Polymer	Our Glass+RTV
Pollution Resistance	Requires frequent washing	5-8 year coating life	15+ year RTV protection
Breakage Rate	0.3%/year	0.1%/year	<0.01%/year
Weight	8.2kg	5.7kg	6.8kg
Maintenance Cost	$12/unit/year	$8/unit/year	$2.5/unit/year

Packaging & Logistics
 

Wooden Crates: 6pcs/crate

MOQ: 1000pcs (Mixed voltage levels acceptable)

Lead Time: 15 days for stock items, 60 days for customized

Service Commitment:
1-year limited warranty against manufacturing defects

Free drawings for engineering review