
Designed for applications that demand the highest degree of reliability
Avail Bus Systems are found in a wide range of environments around the world. Representing a long history of knowledge and expertise in custom-designed products that deliver proven performance, Avail solutions are the preferred option for medium and high voltage bus ducts.
Improved reliability for everyday operations
Avail’s High Voltage Bus Systems are in many critical applications that demand the highest reliability. These systems are a cost-effective, fully integrated option from hydroelectric and renewable plants to combined cycle power plants. Avail can design and install the entire system, including interfaces with major manufacturers of generators, generator circuit breakers, and transformers. They are designed to accommodate almost any installation constraint and minimize right-of-way requirements.
A recognized leader in innovative bus system technology
Long regarded as the industry expert, Avail represents extensive experience developing advanced bus systems with a wide range of service and preventative maintenance options. Avail’s knowledge and manufacturing capability translate to proven solutions that keep the world running today and into the future.

Explore Medium Voltage Bus Systems
Isolated Phase Bus Systems
Safe, reliable electrical bus systems to meet medium- and high-voltage demands in multiple generation applications
Non-Segregated Phase Bus Systems
Custom designed, totally enclosed NEMA 3R class bus for a variety of applications and environments
Segregated Phase Bus Systems
Innovative design to offer versatile, long-lasting performance, even in challenging conditions
Forced Air Cooling Units
Leading provider of customized FAC systems for isolated phase bus products
Bus System Replacement Parts
A full line of replacement and upgrade parts to support any medium voltage bus system
Explore High Voltage Bus Systems
SF6 Gas Insulated Lines
Ideally suited for applications where traditional high voltage lines present challenges or create unsafe conditions
HM Contact Systems
Superior efficiency and durability designed to meet high-current requirements