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ReliaHome™ Flex

Adaptable Energy Management for Modern Homes

Homeowners want new electric appliances—but traditional electrical upgrades are costly and complex. ReliaHome™ Flex from ABB is the smarter solution.

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This modular, universally compatible energy management system lets you add energy-intensive loads, like EV chargers, induction cooktops, pool pumps, and electric water heaters, without upgrading the main panel or utility service.

Designed for both existing homes and new construction, ReliaHome Flex intelligently manages high demand loads to ensure connected circuits stay within electrical limits. Homeowners control energy usage through the intuitive ReliaHome app, prioritizing appliances based on their needs.

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Features and Benefits

Quick, Flexible Installation

Each ReliaHome Flex Controller installs in under 10 minutes and can be placed anywhere along the load wire, no need to open the main panel

Affordable Alternative

Main panel or service upgrades are time consuming and expensive. ReliaHome Flex is a simple solution that addresses load management challenges at a fraction of the cost

Reliable Connectivity

The ReliaHome Flex Hub connects to the internet via Ethernet, eliminating the need for Wi-Fi and ensuring stable, secure communication

Smart Load Management

ReliaHome Flex keeps a home’s total electrical load below a pre-set threshold by intelligently managing large appliances like EV chargers, water heaters, and HVAC systems

Modular & Brand-Agnostic: Designed to work with any home layout and electrical brand, Flex's modular system ensures compatibility and scalability for any project.
High-Capacity Control: Each Flex Controller supports single- or dual-pole circuits with breaker ratings up to 60 amps, covering a wide range of residential loads.
Respects Appliances: ReliaHome Flex monitors when circuits are in use and avoids unnecessary shutdowns, preventing usage interruption and appliance degradation.
Charge On, Even During High Demand: ReliaHome™ Flex dynamically adjusts your Tesla EV's charging speed based on the available power rather than shutting it off when demand is high. This ensures your vehicle charges as quickly as possible even with limited capacity. No extra hardware or parts required.
Intelligent Energy Coordination: By integrating with Tesla Powerwall, ReliaHome Flex can read battery state of charge and dynamically manage connected loads during grid outages, optimizing energy use to extend backup power.

Technical Specifications

ReliaHome Flex Controller, indoor and outdoor models available.
ReliaHome Flex Hub, indoor only.
120/240 VAC Split phase, 50-60HZ
Max breaker size 60 A, single pole or dual pole

Certifications and Standards

NRTL/C Listed to UL 916 (Pending); and CSA C22.2 No. 205 (Pending)
Segregated 900MHz Mesh Network; 256-bit AES CBC Encryption

Applications

Residential single-family homes
New constructions
Residential renovation

Tools and Resources

ReliaHome Smart App

Datasheet

ReliaHome™ Flex Technical Specifications

Flyer

ReliaHome™ App Overview

Flyer

ReliaHome™ Flex Use Case

Catalog

Residential Smart Devices

Manage energy use with the touch of a finger

Through the user-friendly ReliaHome app, homeowners can take control of their energy. Panel Guard technology eliminates the need for costly electrical panel and utility service upgrades and enables the addition of any electric appliance – like electrical vehicle chargers, induction cooktops and heat pumps – while staying within the home's electrical limits. It offers visibility into real-time and historical energy usage, direct control over appliances and proactive push notifications when connected appliances are turned on or off.

Frequently Asked Questions

What types of loads does ReliaHome Flex control?

ReliaHome Flex can control large loads up to 60 A, such as an electric stovetop, dryer, water heater, pool pump or EV charger. Never use the ReliaHome Flex to control equipment related to life safety, such as fire alarms, medical equipment, or elevators.

Is the ReliaHome Flex compatible with my electrical panel?

Yes! It is compatible with any brand of electrical panel.

What is Panel Guard technology?

Panel Guard, available in the ReliaHome app, marries intelligent energy management with the circuit-level visibility and control offered by ReliaHome Flex. By dynamically managing loads to stay within the home’s electrical limits, it eliminates the need for costly panel replacements or utility service upgrades when adding any high-demand appliances, like electric vehicle chargers, electric water heaters and heat pumps.

How long does it take to install a ReliaHome Flex?

Installation can take as little as 10 minutes and as long as 30, depending on where the branch circuit is located.

Where can I purchase ReliaHome Flex?

To find a local distributor, please visit the Where to Buy page or fill out a contact form.

How do I request support for installation or set up of a ReliaHome Flex?

Please visit the ReliaHome Flex support articles found at https://support.reliahome.abb.com/. If you still have questions, we happy to help. Call us at 1-800-435-7365 (canadian contact center) during normal business hours.