Introduction to VIOX Standoff Insulators

Welcome to VIOX Electric’s premier line of High Voltage Epoxy Resin Busbar Support Insulators. These precision-engineered components are the backbone of reliable electrical infrastructure, designed to provide superior isolation between power sources and conductive surfaces in critical electrical applications.

Our VO70 series insulators combine advanced ceramic engineering with meticulous quality control to deliver exceptional performance in switchboards, motor control centers, and panel boards. These components are essential for safely supporting copper and aluminum bus bars while maintaining electrical isolation under demanding conditions.

Key Features and Benefits

Voltage Range: Our porcelain standoff insulators support applications from 2.5kV up to 15kV, with impulse withstand capabilities up to 110kV BIL
Superior Construction: Manufactured using wet process electrical porcelain with brass inserts secured using Portland cement for maximum durability
Exceptional Strength: Engineered with industry-leading cantilever, tensile, and compression strength ratings
Durability: ANSI 70 light grey glaze coating repels dust and dirt, ensuring consistent performance with minimal maintenance
Industry Compliance: Fully compliant with ANSI C29.10-1989 standards
Quality Assurance: Each unit undergoes rigorous electrical testing after assembly

VIOX Standoff Insulator Models

Below is our comprehensive range of indoor standoff insulators, each precisely engineered for specific applications:

Catalog No.	Diameter (in)	Height (in)	Style	Insert Thread	Min Creep (in)	Strike (in)	Rating (kV)	BIL (kV)	Cantilever (lb)	Tension (lb)	Compression (lb)
VO70100	2	2½	1	⅜-16	3	2½	2.5	45	550	1375	6500
VO70105	2	3½	1	⅜-16	4½	3½	5	75	350	1400	6500
VO70110	2	5¼	1	⅜-16	7	5¼	8.7	95	225	1600	6500
VO70115	2½	2⅝	1	⅜-16	3½	2⅝	2.5	60	525	1900	8000
VO70125	2½	3	1	⅜-16	4½	3	5	60	425	1775	8000
VO70130	2½	4	1	⅜-16	7	4	8.7	75	425	1775	8000
VO70135	2½	5	1	⅜-16	7½	5	8.7	95	300	1700	8000
VO70140	2½	6	1	⅜-16	10½	6	15	110	225	1850	8000
VO70145	2¾	3¼	1	⅜-16	5	3¼	5	60	500	1900	8500
VO70150	3⅛	2⅜	1	½-13	4	2⅜	5	60	525	1800	10000
VO70151	3⅛	2⅜	1	⅜-16	4	2⅜	5	60	525	1800	10000
VO70152	3⅛	2⅜	1	½-13/⅜-16	4	2⅜	5	60	525	1800	10000
VO70155	3⅛	3⅛	1	⅜-16	5	3⅛	5	60	515	1925	10000
VO70160	3⅛	3⅛	1	½-13	5	3⅛	5	60	515	1925	10000
VO70165	3⅛	4	1	½-13	6	4	7.5	75	510	2000	10000
VO70169	3⅛	5	1	⅜-16	7¼	5	8.7	95	275	1725	10000
VO70170	3⅛	5	1	½-13	7¼	5	8.7	95	275	1725	10000
VO70174	3⅛	6	1	⅜-16	10⅝	6	15	110	260	1600	8000
VO70175	3⅛	6	1	⅜-16/½-13	10⅝	6	15	110	260	1600	8000
VO70176	3⅛	6	1	½-13	10⅝	6	15	110	260	1600	8000
VO70185	3½	3	1	½-13	5	3	5	60	–	–	–
VO70190	3½	3½	1	½-13	6¼	3½	7.5	75	700	2400	12000
VO70195	3½	4½	1	½-13	8½	4½	8.7	95	400	1725	12000
VO70200	3½	3¼	2	½-13	4	3¼	5	60	800	2750	15000
VO70205	4	3¹⁵⁄₁₆	2	½-13	7⅝	3¹⁵⁄₁₆	8.7	75	750	2350	20000
VO70210	4	4⁵⁄₈	2	½-13	9¼	4⁵⁄₈	8.7	95	575	1900	20000
VO70214	4	6	2	⅜-16	12⅜	6	15	110	375	2000	20000
VO70215	4	6	2	½-13	12⅜	6	15	110	375	2000	20000

Technical Specifications Highlight

The VO70250 model, our premium high-performance insulator, offers extraordinary electrical and mechanical capabilities:

Cantilever Strength: 1.7KN (375 lb)
Tensile Strength: 9KN (2000 lb)
Compression Strength: 89.5KN (20000 lb)
NEMA Voltage Rating: 15KV
Minimum Creepage Distance: 314MM
Impulse Withstand: 110KV BIL
Glaze: ANSI 70 Light Grey
Applicable Standard: ANSI C29.10-1989

Applications

VIOX High Voltage Epoxy Resin Busbar Support Insulators are vital components in:

Electrical Switchgear: Providing reliable isolation in distribution equipment
Motor Control Centers: Ensuring safe operation of industrial motor systems
Panel Boards: Supporting critical power distribution components
Industrial Transformers: Maintaining isolation in power conversion equipment
High Voltage Distribution Systems: Enabling safe power transmission
Renewable Energy Systems: Supporting reliable green energy infrastructure

Engineering Excellence

At VIOX Electric, we adhere to the highest standards of engineering excellence. Our insulators feature brass inserts on each end with a center mounting hole, held securely in place with Portland cement. This construction ensures the inserts remain stable even under high mechanical stresses and in high-temperature environments.

Our wet process electrical porcelain manufacturing method delivers superior dielectric strength and mechanical durability. Each insulator undergoes comprehensive electrical testing after assembly to guarantee performance under real-world conditions.

The VIOX Quality Commitment

In line with our commitment to customer satisfaction, all VIOX operations strictly adhere to our motto of “High quality, Competitive Rate, Fast Service.” We believe in developing long-term partnerships based on mutual trust and benefit, ensuring consistent product quality and on-time delivery.

Our company is driven by technical innovation, constantly improving our manufacturing processes to deliver exceptional products. We stand by our commitment to engineering excellence and customer service.

Contact VIOX Electric

Ready to enhance your electrical system reliability with VIOX High Voltage Epoxy Resin Busbar Support Insulators? Contact our engineering team today for expert advice on selecting the right insulator for your specific application.

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