Spool Porcelain Insulator
ANSI 53 series spool porcelain insulators for secondary racks and service drops.
Why This Profile Exists
Secondary racks need a small insulator that can be stocked in volume and installed quickly.

Electric Insulator ANSI 53-1 Spool Porcelain Insulator
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Electric Insulator ANSI 53-2 Spool Porcelain Insulator
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Electric Insulator ANSI 53-3 Spool Porcelain Insulator
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Electric Insulator ANSI 53-4 Spool Porcelain Insulator
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Electric Insulator ANSI 53-5 Spool Porcelain Insulator
View specifications →Where This Category Gets Specified
Pressed Tempered And Load Tested In Our Own Plant
Raw material screening, automatic batching, melting, pressing, uniform tempering, cold and hot impact, homogenisation, cementing, curing, inspection and packing - all on one site.
German And Italian Lines
Production and testing equipment imported from Germany and Italy feeds two modern lines.
6 Million Pieces A Year
One natural-gas electric melting kiln with about 50 m² of melting area.
Routine Load Test On Every Piece
A piece that breaks is removed and the cause traced through the process record.
Type Test Reports
Reports from XIHARI and the National Ceramic Product Quality Inspection and Testing Center.
Guides That Touch This Category
Spool Porcelain Insulator Questions
Straight answers to the questions buyers ask before a first order.
Which line conditions suit spool porcelain insulator?
Secondary racks need a small insulator that can be stocked in volume and installed quickly.
What is the load range in this category?
Load classes are published on each product page.
Are dimensional drawings available?
Yes. PDF drawings for the common types are on the downloads page, and a drawing for any listed type can be issued on request before you place an order.
How are these packed for export?
Units are packed in wooden crates built for sea freight. Crate contents and weights are confirmed on the packing list issued with the shipping documents.
Can the goods be inspected before shipment?
Yes. Buyers are welcome at the plant, and third-party inspection by Intertek, BV or SGS can be appointed by the buyer.
Need A Type List For Spool Porcelain Insulator?
Send the line voltage, the specified failing load and the pollution class. We will match the type codes and send the drawings.



