Find out if you’re really getting the data you need from your Power Control Systems.
Nationwide sample of facilities executives show wide gaps between what they have, what they want, and what they need.
Learn More download the report


Core Offerings


Search for Products



Power Transfer Switches
Reliably transfer loads to emergency sources with automatic transfer switches and non-automatic transfer switches.
Specialty Transfer Switches
Automatic transfer switches that support multiple load sources or transfer switches in a single lineup.
Power Control Systems
Easy-to-operate paralleling switchgear solutions and remote monitoring systems.
Power Monitoring and Controls
Local and web-based networks are supported for access from on-site or anywhere in the world.
Industrial Controls
Lighting control and specialty products, remote control switches, gas panels and surge suppressors.
Fire Pump Controllers
Firetrol control products for fire supression and life safety systems.
Maintenance, repair, solutions and upgrades for your power switching and control products.



Tools and Resources
Access exclusive information from our partner extranet.
US Sales Office Fast Find
Quickly locate the nearest US sales office representative. If you are outside the US, please use the Where to Buy link shown below.
Where to Buy
Search for the most convenient sales contact for power transfer switch, monitoring and control products.
Request Additional Information
Submit a request for more information on our emergency power products.
Warranty Information
Obtain Warranty Information about you ASCO power transfer switch, monitoring and control product.
Warranty Registration
Register your ASCO power transfer switch, monitoring and control product instantly.
Tell Us What You Think
Submit a question or comment about this site.
Discontinued Products
Support information for ASCO automatic transfer switches and emergency power control products that are no longer in production.



News Room
News Releases
Read about headlining ASCO Power activities around the world.
Visit us at an event near you.
Featured Product
ASCO PowerQuest Monitoring and Control
The PowerQuest® family is the most comprehensive communication, monitoring and control solution ever offered by Emerson Network Power.
It empowers you. It fulfills your need to test, manage loads, optimize the bus bar, remotely monitor and otherwise be aware of the status of your facility's utility source and on-site power. Learn More


Product Demo
Username : monitor
Password : asco

Demo requires Microsoft Silverlight
– Click here to download 

View More Products


Existing Inventory and Quick Ship Program
A message from the president of ASCO.
Emergency power solutions and services.
View our range of controls for fire suppression systems.
E-learning portal for power professionals