Epoxy Standoff Insulators

Our Standard MV epoxy Standoff Insulators, designed for voltages ranging from 2400 to 48.3kV, are essential components in electrical systems. These electrical standoff insulators are engineered to separate conductors, such as quarter-inch-thick copper or aluminum bus bars, from the surfaces or components they are attached to.

5kV and-15kV Medium Voltage Epoxy Bus Support

Standard MV Epoxy Insulators (2400 to 48.3kV)

 

Single Insert Cycloaliphatic Bus Insulators

Voltage (kV) Part Number Insert Pattern Creep (mm)
2.4 N-002-0082-ASB-201 Single 82
2.4 N-002-0082-ASR-301 Single 82
15 N-015-0240-BBB-101 Single 240
38 N-035-0555-BBB-1C3 3/1 Insert 555

 

A20 Cycloaliphatic Bus Support Insulators

Height Highest System Voltage (kV) Part Number Class-Size Creep Distance
Inches Millimeters (mm) Inches Millimeters (mm)
3.5″ 89 mm 4.8 N-005-0115-BZG-105 A20-1 4.53″ 115 mm
3.5″ 89 mm 4.8 N-005-0115-BSG-105 A20-1 4.53″ 115 mm
4.5″ 115 mm 8.3 N-008-0162-BSG-105 A20-2 6.41″ 163 mm
6″ 153 mm 15 N-015-0230-BSG-004 A20-3 9.06″ 230 mm
6″ 153 mm 15 N-015-0230-BSG-105 A20-3 9.06″ 230 mm
6″ 153 mm 15 N-015-0230-BSG-225 A20-3 9.06″ 230 mm
7.5″ 191 mm 20 N-020-0311-BSG-105 A20-4 12.26″ 311 mm
7.5″ 191 mm 20 N-020-0311-BSG-225 A20-4 12.26″ 311 mm
8.5″ 216 mm 25 N-025-0348-BAG-004 A20-5 13.7″ 348 mm
8.5″ 216 mm 25 N-025-0348-BAG-105 A20-5 13.7″ 348 mm
8.75″ 223 mm 25 N-025-0394-BSG-210 A20-5 15.51″ 394 mm
8.75″ 223 mm 25 N-025-0394-BSG-105 A20-5 15.51″ 394 mm
10″ 254 mm 25 N-025-0413-BAG-004 A20-5 16.26″ 413 mm
10.5″ 267 mm 38 N-035-0485-BSG-105 A20-6 19.1″ 485 mm
10.5″ 267 mm 38 N-035-0485-BSG-225 A20-6 19.1″ 485 mm
12.75″ 324 mm 38 N-035-0562-BSG-105 A20-6 22.13″ 562 mm
14″ 356 mm 48.3 N-045-0639-BSG-105 A20-X 25.17″ 639 mm

A30 Cycloaliphatic Bus Support Insulators

Height Highest System Voltage (kV) Part Number Class-Size Creep Distance
Inches Millimeters (mm) Inches Millimeters (mm)
4.5″ 115 mm 8.3 N-008-0158-BSG-023 A30-2 6.23″ 159 mm
6″ 153 mm 15 N-015-0239-BSG-105 A30-3 9.45″ 241 mm
6″ 153 mm 15 N-015-0240-BSG-105 A30-3 9.45″ 241 mm
7.5″ 191 mm 20 N-020-0295-BSG-105 A30-4 11.62″ 296 mm
8.75″ 223 mm 25 N-025-0373-BSG-105 A30-5 14.68″ 373 mm
10.5″ 267 mm 38 N-035-0462-BSG-105 A30-6 18.18″ 462 mm
11″ 280 mm 38 N-035-0468-BSG-105 A30-6 18.44″ 469 mm
12.75″ 324 mm 48.3 N-045-0557-BSG-105 A30-7 21.91″ 557 mm
14″ 356 mm 48.3 N-045-0608-BSG-105 A30-8 23.95″ 608 mm

The graphic below illustrates how we define the insert pattern in our part numbers. For a complete breakdown of part number details, see our support insulator part number cheat sheet.
insulator center insert configuration chart

Commonly utilized in electrical switchgear, switchboards, control panels, and power distribution systems within substations, these insulators play a critical role in maintaining system integrity. Their high electrical resistance prevents unintended current flow between conductors and surrounding objects, minimizing the risk of damage and energy loss.

By preventing direct physical contact between electrical components, our epoxy insulators reduce the likelihood of short circuits. This not only enhances the safety of the electrical system but also ensures optimal performance and reliability.

Our insulators are manufactured to meet the highest industry standards, offering durability and long service life even in the most demanding environments. They are resistant to environmental factors such as moisture, heat, and chemicals, ensuring consistent performance over time. Available in a variety of specifications to meet diverse application needs, many of our insulators are in stock and ready for prompt shipment. This allows for quick and efficient deployment in your electrical infrastructure projects, reducing downtime and keeping your operations running smoothly.

Our commitment to quality and customer satisfaction drives us to deliver MV Epoxy Insulators that perform reliably in demanding applications. Whether you upgrade existing systems or install new equipment, our insulators provide dependable performance and long-term durability. Additionally, our extensive product range helps you find the right solution for your specific requirements.