ShF-20G1S High Voltage Porcelain Pin Insulator

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Product Overview

The ShF-20G1S variant of the 20 kV porcelain pin insulator family, listed separately from the base ShF-20G1 because of its coupling arrangement. It carries distribution conductors on pin spindles at 20 kV and is ordered against the 20G1S suffix where the drawing calls for that specific coupling. Detailed test figures for this variant are confirmed against the drawing on request.

Why Buyers Choose This Part

• Ordered directly against the ShF-20G1S designation
• Part of a full ShF range so a project ships from one factory
• Glazed porcelain body built for long outdoor exposure
• Pin mounting works with the spindles already on the poles

Where It Is Used

• 20 kV distribution lines using the 20G1S coupling variant
• Networks where the drawing specifies 20G1S and not the base 20G1
• Storm repair where the exact designation must be matched
• Line projects consolidating ShF family purchasing

Who It Suits

• Overhead line contractors at 20 kV
• Utilities maintaining ShF-insulated networks
• Distributors serving CIS and Northern European specifications

What Goes Wrong Without The Right Part

• Drawings that name 20G1S and will not accept the base variant
• Coupling arrangements that a general pin insulator does not provide
• Slow supply of variant designations from local stock
• Split orders across several suppliers for one insulator family

How It Is Built

• ShF-20G1S designation
• 20 kV distribution class
• Glazed electrical porcelain body
• Pin spindle mounting with the 20G1S coupling arrangement

Published Figures For This Product

Every value below comes from the manufacturer data for this item. Figures not listed are confirmed against the drawing before an order is placed.

Distribution Class	20 kV

Materials

• Electrical porcelain body
• Coupling hardware

Process

• Forming
• Glazing
• Firing
• Coupling assembly
• Routine test

Testing

• Coupling dimension check against the 20G1S drawing
• Glaze and body inspection
• Routine electrical test before despatch

Certification

• ISO 9001 quality management system

Customisation Options

• Base ShF-20G1 and ShF-20G variants available
• Coupling type matched to your drawing
• Produced to sample where the drawing is unavailable

How It Compares

ShF-20G1 with stringing sleeve	Same 20 kV family. The 20G1S is distinguished by its coupling arrangement, which is why it is held as a separate designation.
ShF-20G	The 20G is listed with two coupling modifications of its own, one with a polyethylene capsule and one with a composite thread to the Finnish SFS standard.

Before You Order And After It Arrives

• Order against the exact designation on your parts list
• Confirm the coupling arrangement before committing to quantity
• Handle by the body during pole work
• Inspect the coupling seating at first maintenance after commissioning

ShF-20G1S High Voltage Porcelain Pin Insulator Questions

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Quote For ShF-20G1S High Voltage Porcelain Pin Insulator

Send the quantity and any drawing you have. Enquiries are answered within 24 hours, and we produce to customer drawings and samples.