High Voltage Porcelain Insulator 57-13A| Durable & Reliable

Performance Advantages of Post Porcelain Insulator

Post porcelain insulators offer exceptional performance benefits crucial for high-voltage transmission and distribution lines. Their mechanical strength, electrical insulation efficiency, and weather resistance make them indispensable for ensuring the secure operation of electrical systems.

Good Mechanical Performance

• Able to withstand large axial and lateral loads.
• Maintains stability of electrical components like wires under harsh weather conditions, preventing displacement or damage.

Excellent Electrical Insulation Performance

• High insulation resistance and breakdown voltage.
• Effectively prevents leakage and flashover, ensuring safe power system operations.

Strong Weather Resistance

• Ceramic materials provide robustness under varied climatic conditions, including high temperatures, low temperatures, and humidity.

Types of Post Porcelain Insulators

ANSI class insulators offer varying specifications to suit different requirements. Here are some key specifications:

• 57-1 S/L: Creepage distance - 356mm, Dry flashover - 80kV, Wet flashover - 60kV
• 57-2 S/L: Creepage distance - 559mm, Dry flashover - 110kV, Wet flashover - 85kV
• 57-3 S/L: Creepage distance - 737mm, Dry flashover - 125kV, Wet flashover - 100kV
• 57-4 S/L: Creepage distance - 1015mm, Dry flashover - 150kV, Wet flashover - 125kV
• 57-5 S/L: Creepage distance - 1145mm, Dry flashover - 175kV, Wet flashover - 150kV
• 57-13A: Creepage distance - 736mm, Dry flashover - 145kV, Wet flashover - 100kV

57-13A Porcelain Post Type Insulator

The 57-13A model is an exemplary high voltage insulator used primarily for transmission lines. Manufactured by Jiangxi Huayao Electric Co., Ltd., this model demonstrates superior mechanical and electrical properties.

Specifications

• Material: Porcelain
• Application: High voltage, rated at 12kV/33kV
• Brand Name: Huayao
• Color: Brown/White

Mechanical and Electrical Values

• Dimensions: Diameter - 172mm, Spacing - 419mm
• Cantilever strength: 125kN
• Dry Flashover Voltage: 145kV
• Wet Flashover Voltage: 100kV
• Critical Impulse Flashover Voltage (Positive): 200kV
• RIV Test Voltage: 30kV, Maximum RIV at 1000 kHz - 200μV

Production Process

The methodical production process at Jiangxi Huayao Electric Co., Ltd involves:

• Mixing raw materials
• Molding blank shapes
• Drying
• Glazing
• Kiln firing
• Glue assembly
• Routine and other testing
• Final packaging

About Jiangxi Huayao Electric Co., Ltd

Jiangxi Huayao Electric Co., Ltd is a renowned manufacturer of porcelain insulators, certified under ISO9001, with a daily output capacity of 10,000 pieces. Their consistent quality and reliability have attracted customers worldwide.