Support Insulator, Low Voltage Standoff Busbar Insulator

Support Insulator, Low Voltage Standoff Busbar Insulator
Product Details
We have won the recognition of our customers by virtue of the advantages of high quality and low price, timely delivery, and thoughtful after-sales service, and our ceramic welding nozzles, transformer bushing connectors, cordierite porous ceramic are exported to various countries and regions in the world. All these departments are functional with latest tools, modernized machines and equipment. We will be duty-bound to unite with industry enterprises to better shoulder the heavy responsibility of national revitalization. We have established a complete after-sales service system to provide guidance and assistance for the problems and difficulties encountered in the development of the enterprise. Our company takes 'serving customers and creating value' as the core and takes the needs of users as the center.

Standoff Insulator

Material: Porcelain+Brass

Forming Method: Wet Pressing

Features:Global Ceramic supplies porcelain standoff insulators from 2.5kv up to 15kv/110kv BIL. Porcelain standoff insulators are important components in various electrical applications and are used to isolate power sources from making contact with conductive surfaces. Typically, porcelain insulators are used to support copper and/or aluminum bus bar in switchboards, motor control centers and panel boards.


The design and testing of these porcelain standoff insulators complies with the mechanical and electrical requirements of industry standards.

The porcelain standoff insulators provided by Global Ceramic offer consistent reliability and performance and are typically maintenance-free. These porcelain standoff insulators have a durable outer gray glaze coating that repels dust and dirt, preventing it from adhering to the porcelain standoff insulator and interfering with its overall performance.


Our porcelain standoff insulators are designed with brass inserts on each end of the porcelain standoff insulator with a center mounting hole in each insert. The brass inserts are held in place with Portland cement so that the inserts remain in place during high mechanical stresses as well as in high-temperature environments.


Porcelain Standoff Insulator

These Standoff Insulators are constructed of the highest quality Wet Process Electrical Porcelain. Glaze is ASA Gray(Munsell 5BG 7.0/0.4 Inserts are of brass tapped 11/16’ deep(full thread) and are cast in place with high temperature alloy lead(Brinnel 16,550 Degrees F melting point).All are tested electrically after assembly.


Part No. 70150

Brass Insert secured with Portland Cement

Technical Requirements:

1.CANTILEVER STRENGTH: 2.35KN

2.TENSILE STRENGTH: 8KN

3.COMPRESSION STRENGTH:44.5KN

4.NEMA.VOLTAGE RATING: 5KV

5.MINIMUM CREPAGE DISTANCE:102MM

6.IMPULSE WITHSTAND 60KV BIL

7.GLAZE:ANSI 70LIGHT GREY

8.APPLICABLE STANDARD :ANSI C29.10-1989


Part No. 70215

Technical Requirements:

9.CANTILEVER STRENGTH: 3.35KN

10.TENSILE STRENGTH: 10.5KN

11.COMPRESSION STRENGTH:89.5KN

12.NEMA.VOLTAGE RATING: 8.7KV

13.MINIMUM CREPAGE DISTANCE:194MM

14.IMPULSE WITHSTAND 75KV BIL

15.GLAZE:ANSI 70LIGHT GREY

16.APPLICABLE STANDARD :ANSI C29.10-1989


Part No. 70250

Technical Requirements:

17.CANTILEVER STRENGTH: 1.7KN

18.TENSILE STRENGTH: 9KN

19.COMPRESSION STRENGTH:89.5KN

20.NEMA.VOLTAGE RATING: 15KV

21.MINIMUM CREPAGE DISTANCE:314MM

22.IMPULSE WITHSTAND 110KV BIL

23.GLAZE:ANSI 70LIGHT GREY

24.APPLICABLE STANDARD :ANSI C29.10-1989


Indoor Standoff Insulators 参数表.png

Our organization insists all along the quality policy of 'product quality is base of business survival; purchaser gratification is the staring point and ending of an business; persistent improvement is eternal pursuit of staff' as well as the consistent purpose of 'reputation 1st, purchaser first' for Support Insulator, Low Voltage Standoff Busbar Insulator. We constantly adjust and optimize product varieties, strengthen market expansion, relying on advanced management and all-round service mode, we have won the support and trust of the majority of customers. With its rich manufacturing experience, high-quality products, and perfect after-sale service, the company has gained good reputation and has become one of the famous enterprise specialized in manufacturing series.
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