ASCO Power Technologies Milestones
1925
Industry's first Automatic Transfer Switch
1938
First ATS with mechanically held contacts
1940
The Industrial Trust Building in Providence, Rhode Island, first facility to install ATSs
1967
First Power Control System
1980
First Bypass Isolation Transfer Switch
1985
Users gain a visual interface for monitoring and controlling the connection operation, and shedding of generators and loads from switchgear.
2011
First Critical Power Management System
2024
ASCO Power SourcePacT™ Interconnect Source Isolation Switch
About ASCO Power
Industry's 1st
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1200

With over a century of expertise, ASCO designs, manufactures, services, and supports mission-critical power applications by providing purpose-built solutions with agency-listed, code-compliant power products.
Solving today’s greatest power management challenges with future-ready innovations
SourcePacT™
2024 Product of the Year. The first UL 3008-Listed Source Isolation Switch streamlines battery energy storage systems (BESS) deployment.
Quick Connect Products
ASCO’s power panels connect temporary generators and load banks to enhance resilience and streamline testing.
ASCO Series 300 Transfer Switches
SERIES 300 offers small and medium-sized businesses all the robustness, premium design, and longevity of ASCO Power's legacy custom-engineered products in models that ship quickly.
ASCO 7000 Series Bypass-Isolation Switch
The bypass and isolation features allow the primary automatic transfer switch to be inspected, tested, and maintained without interrupting power to the load.
Learn more about ASCO Power transfer switches in action for every application
Learn more about ASCO Power transfer switches in action for every application
ASCO Power in Action
ASCO Power provides power continuity for mission-critical facilities and enhances power resilience for businesses of every size.
Hospitals
Data centres
Water Utilities
Government Complexes
Commercial Buildings
Military Applications
Small Businesses

Reliable. Dependable. Unparalleled around-the-clock, 365 days a year.
• 24/7 Emergency Support • Technical Support via Phone and Email • Remote Troubleshooting • Equipment maintenance and repair • Retrofits and UpgradesContact support
Contact our support team for technical assistance and information.
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