Power Line Hardware & Insulators
ALUX ANSI Standard Porcelain Spool Insulator 53-2
ANSI 53-2 Porcelain Spool Insulator: High-performance, ANSI-compliant component for power transmission/distribution. 79x76mm, 0.55kg. 25KV dry/12KV vertical wet/15KV horizontal wet flashover. 13.6kN tensile/13.3kN mechanical load. Ideal for overhead lines.
ALUX ANSI Standard Porcelain Spool Insulator 53-2

The ANSI 53-2 Porcelain Spool Insulator is a high-performance electrical component engineered for power transmission and distribution systems, adhering to strict ANSI standards. Crafted from premium porcelain, it delivers reliable electrical insulation and robust mechanical support for conductors.
Boasting a diameter of 79mm and height of 76mm with a net weight of 0.55kg, this insulator features excellent electrical performance: its low frequency dry flashover voltage reaches 25KV, with vertical and horizontal wet flashover voltages at 12KV and 15KV respectively. It also offers superior mechanical strength, with a tensile strength of 13.6kN and a mechanical failing load of 13.3kN, ensuring stability under various working conditions.
As a key member of the ANSI 53 series spool insulators, it is widely applied in overhead power lines for changing conductor angles and directions, providing a durable and safe solution for medium and high-voltage electrical installations.
Product details
Spool type insulators | ||||||
ANSI Class | 53-1 | 53-2 | 53-3 | 53-4 | 53-5 | |
Dimensions | ||||||
Diameter | mm | 57 | 79 | 76 | 105 | 102 |
Height | mm | 54 | 76 | 81 | 76 | 105 |
Mechanical Values | ||||||
Tensile Strength | kn | 9.1 | 13.6 | 18.2 | 20.5 | 27.3 |
Electrical Values | ||||||
Low frequency dry flashover voltage | kv | 20 | 25 | 25 | 25 | 35 |
Low frequency wet flashover voltage,vertical | kv | 8 | 12 | 12 | 12 | 18 |
Low frequency wet flashover voltage,horizontal | kv | 10 | 15 | 15 | 15 | 26 |
Packing and Shipping Data | ||||||
Net weight,approximate | kg | 0.22 | 0.55 | 0.60 | 1.15 | 1.20 |