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Welcome to the ASCO Website

Welcome to our website.

Products for Commercial Buildings

ASCO 7000 series automatic transfer switches in a facility

Automatic Transfer Switches

Aerial view of lightning over a city at night, weather.

External Mount Surge Protective Devices

ASCO paralleling switchgear installation

Low Voltage Power Control Systems

Critical Power Management Systems

Address Your Challenges

Business Continuity

Maintain business continuity when utility power fails by seamlessly transferring to backup power.

Monitoring & Analytics

Receive up-to-the-minute power information for fast decisions and comprehensive forensic and cost analyses.

Protect Power

Protect equipment from voltage transients to reduce damage and downtime.

Power Reliability

Test and maintain back-up power systems to ensure continuity of your facility in the event of an outage.

Featured Content

Can building codes ensure power reliability white paper

Can Building Codes Ensure Power Reliability?

Site load correction for load banks white paper

Site Load Correction for Load Banks

Placement considerations for surge protective devices white paper

Placement Considerations for Surge Protective Devices

Power reliability - the value of power control systems and paralleling generators white paper

Power Reliability - The Value of Power Control Systems and Paralleling Generators

Adverse effects of low load operation on diesel generating sets white paper

Adverse Effects of Low Load Operation on Diesel Generating Sets

Commercial Building Videos

5702 Power Management Gateway

The ASCO 5702 Power Management Gateway offers all the functions of a dedicated EPMS, and features full capabilities for managing facility power in an industrial grade network appliance.
Find out more

Surges and SPDs defined

The term surge is commonly used to inaccurately describe a range of electrical anomalies. Find out the correct definitions and learn more about "surges" in this white paper.
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UL 1008, 7th edition withstand and closing rating requirements white pape

UL 1008, 7th Edition Withstand and Closing Rating Requirements

UL 1008 - Standard for Transfer Switch Equipment specifies qualification testing requirements for transfer switch equipment.
Read the white paper