Porcelain Spool Insulator
Voltage: 400v-33kv
Usage: Pull or steer the wire
Color: Brown,grey,white
Type: Strain insulators, reel, shackle, spool insulators












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Product Description
Product Introduction:
The Porcelain Spool Insulator is an advanced insulating component designed for use in high-voltage power systems. These insulators are crafted from high-quality porcelain and are recognized for their excellent dielectric strength and mechanical resilience, making them ideal for various electrical applications.
Product Details:
Material: Made from premium wet process porcelain, ensuring superior strength and electrical insulation properties.
Design: The spool design allows for a large surface area to resist contamination and provides a stable support for conductors.
Application: Suitable for use in transmission lines, substations, and other high-voltage electrical installations where high levels of insulation and mechanical support are required.
Key Features:
High Dielectric Strength: Capable of withstanding high voltages without electrical breakdown, ensuring the safety and reliability of the power system.
Mechanical Resilience: Designed to endure significant mechanical stress, including tension and compression forces common in power lines.
Contamination Resistance: The smooth surface of the porcelain spool helps prevent the accumulation of dirt and dust, reducing the risk of flashover.
Structural Features:
Large Surface Area: The spool shape provides a wide surface area to shed water and resist contamination, maintaining high levels of insulation.
Robust Construction: Built with a solid porcelain structure for durability and long-term performance in outdoor environments.
Galvanized Metal Fittings: Where applicable, metal components such as clamps or fittings are galvanized to prevent corrosion and ensure a secure connection.
Installation Process:
Site Preparation: Ensure the installation site is suitable for the spool insulator, with appropriate support structures in place.
Insulator Attachment: Securely attach the Porcelain Spool Insulator to the support structure, following manufacturer guidelines for proper alignment and torque.
Conductor Connection: Connect the conductors to the insulator, ensuring a secure and electrically sound connection.
Integrity Verification: After installation, perform a thorough inspection to confirm the insulator is correctly installed and functions as intended.
Applicable Environmental Conditions:
Wide Temperature Range: Designed to operate effectively in a broad temperature range, typically from -40°C to +80°C, accommodating various climates.
UV and Weather Resistance: The porcelain material is resistant to UV radiation and can withstand exposure to sunlight without degradation.
Chemical Resistance: Engineered to resist common environmental chemicals and corrosive substances, preserving the insulator’s integrity.
Humidity Tolerance: Built to perform well in high humidity conditions, ensuring reliable performance in damp environments.
Specifications
There are types of spool insulator 53 Series, ED Series and 1617. We can also produce the spool insulator according to the customer requirement.
SPOOL INSULATORS | ANS | |||||
Type | 53-1 | 53-2 | 53-3 | 53-4 | 53-5 | |
Mechanical Failing Load,kN | 8.9 | 13.3 | 17.8 | 20 | 26.7 | |
Power frequency Dry Flashover,kV |
20 | 25 | 25 | 25 | 35 | |
Power Frequency Wet Flashover kV |
Vertical | 8 | 12 | 12 | 12 | 18 |
Horizontal | 10 | 15 | 15 | 15 | 25 | |
Dimensions mm |
Height | 54 | 76 | 81 | 76 | 105 |
Diameter | 57 | 79 | 76 | 105 | 102 | |
Neck Diameter | 45 | 45 | 45 | 73 | 73 | |
Hole Diameter | 18 | 18 | 18 | 18 | 18 | |
Grooves Radius | 11 | 18 | 11 | 16 | 11 | |
Net Weight,kgs | 0.2 | 0.55 | 0.6 | 1.1 | 1.16 |
BS CLASS Type | ED-2 | ED-2B | ED-3 | 1617 | |
Mechanical Failing Load,kN | 10 | 12.5 | 8 | 15 | |
Power Frequency Wet Flashover kV |
Dry | 18 | 23 | 16 | 20 |
Wet | 9 | 12 | 7 | 9 | |
Dimensions mm |
Height | 75 | 76 | 65 | 65 |
Diameter | 80 | 86 | 70 | 76 | |
Neck Diameter | 42 | 48 | 36 | 46 | |
Hole Diameter | 20 | 21 | 16 | 17.5 | |
Grooves Radius | 10 | 10 | 8 | 9 | |
Net Weight,kgs | 0.4 | 0.48 | 0.25 | 0.4 |
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Who are we?
We are Manufacturer more than 21 years experience in Binzhou City, shangdong, China. We start from 2004, sell to Domestic Market(52.00%), Eastern Asia(25.00%), Africa(10.00%), Mid East(6.00%),Southeast Asia(4.00%),South Asia(3.00%). There are total about 301-500 people in our office.
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What can you buy from us?
House eletric wire, Anti-aging wire, Solar PV cable, Control cable, Shielded computer cable, Low/Medium/High Voltage power cable, Aluminum alloy cable, Aerial insulated cable, Steel core aluminum standed wire, LSZH cable, Fireproof cable, Wind power cable, EV charging cable, Energy storage cable, Mining cable, etc.
Why should you buy from us not from other suppliers?
hengwang cable company has passed ISO9001 quality management system, ISO14001 environmental management system, ISO45001\German TUV certification\CE certification, the company is a finalist for the state power grid and a national”High-tech Enterprise.
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Accepted Delivery Terms: FOB,CFR,EXW,FAS,DDP; Accepted Payment Currency:USD,EUR,CAD,AUD,GBP,CNY; Accepted Payment Type: T/T,L/C,MoneyGram,Credit Card,Western Union,Cash; Language Spoken:English,Chinese,Japanese,German,Russian
If I need customize Packing Cartons, is that available?
Yes, we have production line for packing box and cartons. we can make it according to your special requirement. If you are interested in our goods , please kindly send an inquiry to us !
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- Phone: +86 15515963170
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