About ASCO Power Technologies

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

Industry's 1st

Automatic Transfer Switch, Closed Transition Transfer Switch, UL 1008 short time rated transfer switches, UL 3008 Listed Source Isolation Switch

117

US patents that drive purpose-built agency-listed solutions for the industry’s toughest power resilience challenges.

1200

Engineers, fabricators, technicians, and professionals dedicated solely to backup and emergency power solutions.

ASCO Solutions

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.

View the Digital Binder

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.

Power Control Systems

Paralleling switchgear manages and controls facility power sources and loads. ASCO Power offers power control systems to optimize operational flexibility.