Extended creepage focus
Fog and anti-pollution profiles can be considered where salt-laden air or persistent moisture increases surface contamination concerns.
Standard Type Glass Insulator · Item No. 00330
Glass Insulator Profiles for Demanding Transmission Lines
Specify toughened glass insulators around line voltage, mechanical loading and exposure conditions. Glass insulator manufacturers can use the same conversation to align profile geometry, fitting details and project requirements.
Start with the line environment
Match the profile to the corridor
The product range identifies profile options for different contamination, moisture and line-maintenance conditions. These three paths keep the selection conversation grounded in operating exposure.
Surface-cleaning focus
Rib geometry and the self-cleaning behavior described for the glass profiles help frame the choice for contaminated operating areas.
Inspection focus
Visible breakage from the zero-value self-breaking feature supports practical inspection planning when access intervals are long.
Load and voltage envelope
Establish the operating range before profile selection
The standard cap-and-pin range is listed for high-voltage, extra-high-voltage and ultra-high-voltage transmission lines. Confirm the final profile and rating against the line design.
10–1000 kVTransmission line voltage grades stated for the range.
40–550 kNStandard profile mechanical-strength range for the product line.
| Standard | 40–550 kN standard profile |
|---|---|
| Other listed profiles | Fog, Open, Ground and Double Shed options appear in the product range. |
| Configuration point | Use the line's voltage, mechanical load, creepage requirement and exposure condition to define the final request. |
Construction and inspection
Understand the disc, fitting and visible-failure role
The assembly combines toughened glass parts, an iron cap and steel pin with cement adhesive. A soft gasket and tar are used at contact points to buffer thermal expansion and contraction.
Visible condition check: zero-value self-breaking makes internal damage visible as breakage rather than relying only on hidden-fault detection.
Electrical duty: the assembly is designed around arc resistance and insulating toughened glass parts.
Surface behavior: side-rib arrangements are described as supporting wind-driven self-cleaning in industrial-pollution and salty-soil conditions.
Other NJREC insulator profiles
Explore profile options for related conditions
Each product card opens the corresponding NJREC product detail page.
Fog Type Glass Insulator
Explore the dedicated fog-profile product page for exposure-sensitive line planning.
View Fog Profile
Double Shed Glass Insulator
Review the double-shed profile where creepage and environmental exposure shape the inquiry.
View Double Shed
RTV Coated Glass Insulator
Open the dedicated product page to compare an RTV-coated option with the standard profile.
View RTV CoatedRelated reading
Continue the project discussion
Three project-facing readings, each linking to the corresponding NJREC article.
Efficient Selection for Medium to Ultra-High Voltage Transmission
Use this reading to frame voltage class, strength and environmental requirements around the transmission route under review.
Read the articleEvaluating Glass Electric Insulators for Utility Projects
Bring mechanical loading, inspection expectations and utility-project fit into the same supplier conversation.
Read the articleProcurement Decisions for Power Transmission
Review the procurement factors that connect profile choice, operating conditions and long-term line planning.
Read the articleFAQ
Standard Type Glass Insulator Questions
What is the Standard Type Glass Insulator made of?
It combines toughened glass parts, an iron cap and steel pin with cement adhesive; a soft gasket and tar are used at contact points.
Which voltage grades can this range support?
Applications include high-voltage, extra-high-voltage and ultra-high-voltage transmission lines from 10 kV to 1000 kV.
What mechanical-strength range is listed for the standard profile?
The stated standard-profile range is 40 kN to 550 kN; confirm the final rating against the requested line configuration.
Which glass-insulator profiles are available beyond the standard type?
The page lists options including Fog, Open, External Shed, Anti-pollution, DC and Ground Wire forms.
How is damage detected in these glass insulators?
Zero-value self-breaking makes internal damage visible as breakage for easier inspection.
What should an inquiry include?
Share the target voltage class, mechanical-load requirement, exposure conditions and any needed profile or fitting details through the NJREC contact page.
