Protection, control and monitoring Intelligent Electronic Devices | Hitachi Energy

Substation Automation Protection and Control

A complete portfolio of protection, control, and automation IEDs that ensure reliability, availability, safety, and operational efficiency of power grid substations.

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Modernizing the Grid with Intelligent Automation

A product portfolio designed under full compliance with international standards, equipped with the latest cybersecurity features, and robustly built to perform in the harshest environments, to guarantee optimal availability, safety and return of investment for operators and asset owners of conventional and digitally-enabled substations from:

Transmission Utilities
Distribution Utilities
Grid-connected Producers and Consumers

Our Offering

With our advanced technology, global application knowledge, and experienced support network, you can be confident that your system performs reliably – in any situation. In fact, our IEDs, as well as their protection and control management tool (PCM600), comply with the most stringent international standards like IEC 61850.

Relion 670 series protection and control relays

The 670 series protection and control Intelligent Electronic Devices (IEDs) provide versatile functionality, maximum flexibility, and performance to meet the highest application requirements.

Relion REF650 multi-application feeder protection and control relay

REF650 is an advanced medium-voltage protection and control relay for feeders and two-winding transformers to support distribution system operators and industrial facilities.

SAM600 Process Interface Unit

Meet the SAM600 version 3.0 process interface unit, our new flagship merging and switchgear control unit for digital substations. One easy-to-use box provides you with ultimate flexibility. Get ready to unlock the benefits of digital.

Relion REB500 Distributed busbar protection

The IEC 61850 enabled REB500 IED is designed to support different protection philosophies.

PS640 Series Medium-voltage Protection Relays

Hitachi Energy’s PSF640 is designed for the protection, control, measurement, and supervision of utility distribution substations and industrial power systems feeders. This includes grounded, non-grounded, resistance-grounded, or compensated grounded networks with or without distributed power generation.

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PCM600 - Protection and control IED manager

PCM600 is an easy-to-handle tool which provides versatile functionalities throughout the life cycle of Hitachi Energy’s protection and control intelligent electronic devices.

For information on legacy products, please visit our Legacy portfolio page.

Protect and control your grid. Anywhere and everywhere.

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Bay Control

Hitachi Energy's range of bay control IEDs provides versatile control & backup protection for circuit-breakers, disconnectors and earthing switches in any kind.

Aerial view of a high voltage substation.

Busbar Protection

Hitachi Energy’s range of busbar IEDs (Intelligent Electronic Devices) provide versatile management of busbar installations with models focused on distributed protection.

Feeder protection and control

Feeder protection plays a key role, enabling operators to prevent damage to equipment, minimize power outages, and ensure a reliable supply of electricity in medium-voltage distribution utility and industrial networks.

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Generator Protection

Hitachi Energy offers a complete portfolio of generator protection solutions for all types of generators and generator-transformers with IEC 61850 standard.

Line Differential Protection

An alternative principle for line protection that is quickly becoming the norm is differential protection.

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Line Distance Protection

Line distance protection is reliable, fast and largely manages to eliminate the variable system quantities of load and supply out of the protection calculation.

Railway application

Rapid urbanization plus the urgent need to reduce carbon dioxide emissions are driving substantial new interest and investment in the transportation sector.

Transformer protection and control

Our transformer protection is built on IEC 61850 and showcases Hitachi Energy's leading-edge technology and application experience.

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MicroSCADA X Software Suite

Introducing MicroSCADA X, your reliable automation and control solution for power utilities, industries, transportation, and renewables.

Remote Terminal Units

Our RTU500 series brings the information from the physical power grid to your SCADA system.

COMBIFLEX – Auxiliary and Testing Devices

The most complete range of modular relays and accessories for protection and control systems

System Engineering Software Tools

Hitachi Energy's substation automation tools is a suite of software solutions that enables simple configuration, integration, testing of your multi-vendors.

Grid Automation Services

Increase value, control, and security across your assets' entire life cycle with Hitachi Energy Grid Automation Services. Building on our dedicated service agreements, our suite of advanced services empower you with new levels of integration, support, and close collaboration—from installation and commissioning to upgrades, repairs, maintenance, and replacement.

Hitachi Energy Power Consulting Services

Cybersecurity for Substation Automation

Hitachi Energy is committed to providing customers with products and systems that clearly address cybersecurity and thus constantly adapts its products and systems to the latest developments in cybersecurity.

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