The page you're viewing is for English (LATAM) region.

STAY IN MY REGION
Partners
Investors
Contact
Products & Services
Critical Power Uninterruptible Power Supplies (UPS) DC Power Systems Power Distribution Static Transfer Switches Switchgear and Switchboard Busway and Busduct Battery Energy Storage System (BESS)
Thermal Management Liquid Cooling Solutions Heat Rejection Outdoor Packaged Systems Room Cooling In-Row Cooling Rack Cooling Free Cooling Chillers Evaporative Free Cooling Thermal Control and Monitoring Custom Thermal
Racks & Solutions Integrated Solutions Racks & Containment Modular Solutions
Monitoring & Management Embedded Device Management Serial Console IP KVM Switches High Performance KVM LCD Tray Desktop KVM and KM Secure KVM Software Monitoring
Services VITAL Services for Your Business Services for Critical Facilities and Advanced Solutions Service Partner Program Project & Commissioning Services UPS & Battery Services Thermal Services Rack PDU Services DC Power Services Liquid Cooling Services
Tools and Product Registration
UPS Selector Compare PDU Products Use the rPDU Finder Compare Rack Products
Compare IT Management Products Calculate Cooling Economization Calculate Cooling Retrofit Savings Product Registration
Download the Vertiv™ XR App Download the Vertiv™ Virtual Showroom App Virtually Test Cooling Systems in our Labs’ Digital Twins
Solutions
AI and High Performance Computing AI-ready Data Centers High Density Cooling Vertiv™ 360AI
Applications
Home Office Small/Medium Business Enterprise Education Government Healthcare Manufacturing Railway Retail Telecom
Offerings Chilled Water Solutions Dynamic Power Vertiv Integrated Solutions Prefabricated Modular Solutions Micro Data Center/Room Core Data Center & Critical Facilities Colocation & Cloud Cable Landing Stations
Commercial & Industrial Cooling Custom Air Handler Units Indirect/Direct Evaporative Cooling Units Custom DX Cooling Systems
Learn About Liquid Cooling Options for Data Centers Transitioning to 5G Lithium-ion Technologies UPS Types The Edge Revolution Hydrogen Fuel Cells Customer Case Studies Solutions for the financial sector
Vertiv Guides
Guide to Data Center Sustainability Guide to 5G Technology
Guide to Edge Computing Guide to Mission-Critical Facility Services
Support
About
About Vertiv Executives Fact Sheet Ethics & Compliance Responsible Business Sustainability Spotlight Awards and Recognition Become a Supplier Connect With Us
News & Insights News Releases Vertiv Blog Analyst Reports In the News Events Media & Analyst Contacts Webcasts Podcasts
Careers View All Jobs
Campaigns
Ensuring Your IT Infrastructure Is Ready for a New Era of Telehealth Backgrounds for video calls What's Your Edge? 5G. MEC. IoT. – Let’s do this. Together. Building a Stronger Foundation for the Future of Healthcare Protect Your Customer Experience UPS Solutions For Modern Data Centers Reduce Energy Loss Up to 75%
Trusted names Alber™ Avocent® Geist™ Liebert® NetSure™
How To Buy
Vertiv Sales Support

Working with our Vertiv Sales team enables complex designs to be configured to your unique needs. If you are an organization seeking technical guidance on a large project, Vertiv can provide the support you require.

Learn More

Vertiv Reseller Partners

Many customers work with a Vertiv reseller partner to buy Vertiv products for their IT applications. Partners have extensive training and experience, and are uniquely positioned to specify, sell and support entire IT and infrastructure solutions with Vertiv products.

Find a Reseller

Vertiv Online Resellers

Already know what you need? Want the convenience of online purchase and shipping? Certain categories of Vertiv products can be purchased through an online reseller.


Find an Online Reseller

Not Sure What You Need?

Need help choosing a product? Speak with a highly qualified Vertiv Specialist who will help guide you to the solution that is right for you.



Contact a Vertiv Specialist

The page you're viewing is for English (LATAM) region.

STAY IN MY REGION

Discontinued

Product

Liebert® AC4 Controller

Autochangeover controllers are ideal for coordinated control of systems with redundant data center infrastructure equipment, such as multiple environmental units or pumps. When the controller detects an alarm in an operating device, a standby device is enabled and the device in alarm is either disabled or left operating as configured.

Get Manual

Find Your Area Contact

Products Support Contacts

Showing contacts for Ohio, 43215, USA Change
Vertiv (Liebert Services)
+1 800 543 2378
610 Executive Campus Drive Westerville Ohio 43082 USA
Product areas of focus: Uninterruptible Power Supplies (UPS), Power Distribution, Thermal Management, Integrated Solutions, Racks and Containment
Vertiv Academy – Thermal Management Training
+1 844 841 2665
530 Westar Blvd Westerville Ohio 43082 USA
Product areas of focus: Thermal Management

Related Products And Services

Liebert® AC8 Controller Image
Liebert® AC8 Controller

Auto-changeover controllers are ideal for coordinated control of systems with redundant data center infrastructure equipment, such as multiple environmental units or pumps. When the controller detects an alarm in an operating device, a standby device is enabled and the device in alarm is either disabled or left operating as configured.

PRODUCTS & SERVICES
Overview
Critical Power
Overview Uninterruptible Power Supplies (UPS) DC Power Systems Power Distribution Static Transfer Switches Switchgear and Switchboard Busway and Busduct Battery Energy Storage System (BESS)
Thermal Management
Overview Liquid Cooling Solutions Heat Rejection Outdoor Packaged Systems Room Cooling In-Row Cooling Rack Cooling Free Cooling Chillers Evaporative Free Cooling Thermal Control and Monitoring Custom Thermal
Racks & Solutions
Overview Integrated Solutions Racks & Containment Modular Solutions
Monitoring & Management
Overview Embedded Device Management Serial Console IP KVM Switches High Performance KVM LCD Tray Desktop KVM and KM Secure KVM Software Monitoring
Services
Overview VITAL Services for Your Business Services for Critical Facilities and Advanced Solutions Service Partner Program Project & Commissioning Services UPS & Battery Services Thermal Services Rack PDU Services DC Power Services Liquid Cooling Services
Tools and Product Registration
UPS Selector Compare PDU Products Use the rPDU Finder Compare Rack Products Compare IT Management Products Calculate Cooling Economization Calculate Cooling Retrofit Savings Product Registration Download the Vertiv™ XR App Download the Vertiv™ Virtual Showroom App Virtually Test Cooling Systems in our Labs’ Digital Twins
SOLUTIONS
Overview
AI and High Performance Computing
Overview AI-ready Data Centers High Density Cooling Vertiv™ 360AI
Applications
Home Office Small/Medium Business Enterprise Education Government Healthcare Manufacturing Railway Retail Telecom
Offerings
Overview Chilled Water Solutions Dynamic Power Vertiv Integrated Solutions Prefabricated Modular Solutions Micro Data Center/Room Core Data Center & Critical Facilities Colocation & Cloud Cable Landing Stations
Commercial & Industrial Cooling
Overview Custom Air Handler Units Indirect/Direct Evaporative Cooling Units Custom DX Cooling Systems
Learn About
Overview Liquid Cooling Options for Data Centers Transitioning to 5G Lithium-ion Technologies UPS Types The Edge Revolution Hydrogen Fuel Cells Customer Case Studies Solutions for the financial sector
Vertiv Guides
Guide to Data Center Sustainability Guide to 5G Technology Guide to Edge Computing Guide to Mission-Critical Facility Services
SUPPORT
Overview
Self-Help Tools
Overview Product Documentation Software/Firmware Updates Warranty Information Quality Policy & Certifications Information and Product Security Report a Security Concern Tools & Applications Discontinued Products Frequently Asked Questions Open Source Software Information
Submit a Support Request
Overview General Inquiry/Issue Resolution Hardware Software Returns (RMA)
Support for Vertiv Brands
Avocent Maintenance Program Overview Avocent Support Contacts Busway and Busduct BIM Library
ABOUT
Overview
About Vertiv
Overview Executives Fact Sheet Ethics & Compliance Responsible Business Sustainability Spotlight Awards and Recognition Become a Supplier Connect With Us
News & Insights
Overview News Releases Vertiv Blog Analyst Reports In the News Events Media & Analyst Contacts Webcasts Podcasts
Careers
Overview View All Jobs
Campaigns
Ensuring Your IT Infrastructure Is Ready for a New Era of Telehealth Backgrounds for video calls What's Your Edge? 5G. MEC. IoT. – Let’s do this. Together. Building a Stronger Foundation for the Future of Healthcare Protect Your Customer Experience UPS Solutions For Modern Data Centers Reduce Energy Loss Up to 75%
Trusted names
Overview Alber™ Avocent® Geist™ Liebert® NetSure™
PARTNERS
Overview
Partner
Overview Partner Login Become a Partner Vertiv Partner Program Find an IT Distributor Vertiv™ eTail Partner Program
Buy Products & Services
Find a business partner
Campaigns
Living on the Edge Get This Close to the Edge Edge Computing
INVESTORS
CONTACT
Partner Login

Language & Location