- Automation
- Compliance
- Components
- Enterprise
- Evolved Packet Core
- Mergers and Acquisitions
- Monitoring
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Who is PLIG?
PLIG is a Brazilian company that designs, manufactures, and supplies industrial electrical and electronic equipment for automation, protection, and control in power and infrastructure environments.
- Industrial electrical and electronic equipment for power systems and infrastructure.
- Solutions for protection, control, and monitoring of electrical installations.
- Equipment and components for industrial automation and process control (industrial automation).
- Engineering support for configuring, integrating, and applying its devices in customer projects.
- Products targeting utilities, industrial plants, and infrastructure operators.
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More About
PLIG focuses on electrical and electronic equipment tailored to industrial, utility, and infrastructure environments, where reliability, compatibility with installed systems, and compliance with technical standards are central requirements.
The company’s portfolio centers on devices used in protection, control, automation, and monitoring of electrical systems, such as components for control panels, switchgear, substations, and industrial distribution networks.
In enterprise and institutional contexts, PLIG’s offerings are typically deployed in facilities such as factories, power plants, substations, data centers, large commercial buildings, and infrastructure projects, where uninterrupted operation of electrical systems is necessary for safety and continuity of operations.
Its equipment is commonly integrated into supervisory, control, and data acquisition layers, often interfacing with Supervisory Control and Data Acquisition (SCADA) systems, programmable logic controllers (PLCs), and industrial communication buses where applicable.
Architecturally, PLIG’s devices are positioned at the field and control-panel level, acting as part of protection and interlock schemes, measurement circuits, or automation logic that links primary electrical apparatus—such as breakers, contactors, and transformers—to higher-level control and monitoring platforms.
The technologies associated with these offerings include standard low- and medium-voltage control practices, relay logic, signal conditioning, and protection and measurement circuits that must interoperate with industrial protocols and electrical norms commonly applied in Brazil and international markets.
Compared with broader industrial automation solution categories, PLIG occupies the layer focused on hardware components and subsystems rather than on generalized software platforms, meaning its products are often selected and engineered into projects by electrical designers, panel builders, EPC firms, and maintenance teams seeking devices that match specific voltage, current, form-factor, and installation requirements.
From a directory and taxonomy perspective, PLIG aligns with categories such as industrial electrical equipment, power distribution components, and industrial automation hardware, serving customers in utilities, manufacturing, infrastructure, and large commercial operations that need purpose-built devices for protection, control, and monitoring of electrical installations.
Our description of PLIG. Updated February 2026.