Class 4 Electrical Insulated Slotted Blanket | NOVAX®

Product Type	NOVAX® Electrical Insulated Slotted Blanket
Class & Voltage	Class 4 – Highest level of blanket protection (AC Proof Test Voltage 40,000V)
Material	Type II Ozone-Resistant EPDM Rubber
Standards	ASTM D1048
Options	Slotted or Solid
Opening Diameter	2.25” or 4.5”
Applications	Line maintenance, substation operations, energized cover-up protection

Class 4 Electrical Insulated Slotted Blanket | NOVAX®

The NOVAX® Class 4 Electrical Insulated Slotted Blanket delivers maximum electrical safety for personnel, equipment, and energized work areas. Rated for AC Proof Test Voltage of 40,000V, it is the highest level of blanket protection available for live-line applications.

Built from Type II ozone-resistant EPDM rubber, this blanket is engineered to perform in both indoor and outdoor conditions, maintaining durability and flexibility under stress. Its slotted design allows it to fit securely around conductors, bushings, and irregular shapes—creating an effective barrier against accidental contact.

Tested to meet ASTM D1048 standards, the blanket ensures superior reliability and is trusted by professionals in high-voltage environments worldwide. Available in slotted and solid versions, with opening diameters of 2.25” or 4.5”, it offers practical solutions for different site requirements.

Benefits

Class 4 electrical insulation (40kV protection)
ASTM D1048 compliant for tested and certified safety
Type II EPDM rubber – ozone-resistant for long-term durability outdoors
Flexible design for easy placement over conductors and irregular surfaces
Available in 2.25” or 4.5” openings for multiple applications
Provides critical barrier protection for workers, tools, and energized equipment

Recommended Use