Pepperl+Fuchs control units and control stations are purpose-built for reliable operation in hazardous and explosive atmospheres. These modular, highly configurable devices are available in a wide range of designs, including push buttons, selector switches, LED indicators, and emergency stop switches. Housed in flameproof or increased safety enclosures made from robust GRP, stainless steel, or aluminum, they offer optimal protection for Zone 1 and Zone 2 environments. Each unit is ATEX and IECEx certified and can be installed in petrochemical plants, offshore platforms, and chemical processing facilities. Their ease of installation, long service life, and resistance to harsh conditions make them a trusted choice for on-site process control in hazardous zones.

These complete panel systems provide centralized control and power distribution in explosive atmospheres where traditional electrical equipment cannot be safely used. Pepperl+Fuchs custom-builds control and distribution panels to specific site and application requirements, integrating circuit breakers, isolators, motor starters, and more. Each panel is designed and certified to international standards, offering Ex d (flameproof), Ex e (increased safety), or Ex p (purged) protection. Built from corrosion-resistant materials like stainless steel or GRP, these panels ensure optimal durability in aggressive environments such as offshore rigs, oil refineries, and pharmaceutical plants. Their modular layout simplifies future upgrades, and their compact form factor allows space-saving installation without compromising safety.

Pepperl+Fuchs enclosures and cable glands are engineered to protect electrical connections and components against ignition sources and environmental stress. The enclosures come in Ex d, Ex e, and Ex p versions to suit different hazardous zone requirements, and are available in materials like GRP, aluminum, and stainless steel. Cable glands provide secure, explosion-proof cable entries, ensuring integrity even under vibration, moisture, or corrosive exposure. These components are essential for creating fully certified assemblies and junctions in oil, gas, chemical, and wastewater treatment facilities. Offering IP66 and IP68 ingress protection ratings, they’re designed for extreme reliability and long-term field performance.

Pepperl+Fuchs delivers tailored engineered solutions for hazardous area applications, from complete automation systems to integrated signal conditioning and power distribution panels. These are turnkey packages developed in collaboration with project stakeholders, ensuring all components meet site-specific safety, functionality, and certification requirements. Leveraging deep industry knowledge, the company provides detailed planning, documentation, and system integration — streamlining project timelines and reducing risk. Whether it's a Zone 1 certified motor starter panel or a full-blown control cabinet for offshore platforms, Pepperl+Fuchs engineered solutions offer peace of mind through quality, compliance, and ongoing support.

Ethernet-APL is transforming hazardous area automation, and Pepperl+Fuchs is at the forefront of this innovation. This next-generation field communication standard brings fast, Ethernet-based connectivity directly into the field — with intrinsic safety built in. Ethernet-APL supports up to 10 Mbps over two-wire cable, allowing full-duplex communication and power transmission over long distances. Devices can be directly integrated into digital architectures, enabling real-time diagnostics, predictive maintenance, and seamless integration with control systems. Suitable for Zone 0, Zone 1, and Zone 2, it significantly enhances visibility and control within process automation while reducing infrastructure costs.

Fieldbus technology enables intelligent communication between field instruments and control systems — and Pepperl+Fuchs’ fieldbus infrastructure is specifically engineered for use in hazardous areas. Their portfolio includes segment couplers, fieldbus power supplies, bulk power systems, and pre-assembled fieldbus junction boxes. These products are compatible with FOUNDATION Fieldbus and PROFIBUS PA and feature intrinsic safety options like FISCO and FieldConnex®. Benefits include reduced wiring complexity, simplified device integration, and enhanced plant diagnostics. By choosing Pepperl+Fuchs fieldbus components, plants achieve digital communication without compromising explosion protection or system integrity.

Pepperl+Fuchs industrial HMIs are built to deliver robust, responsive interaction in the most challenging hazardous locations. Designed for use in Zone 1, Zone 2, and Division 1/2 environments, these touch panel PCs and industrial monitors offer multi-touch support, glove compatibility, and high-brightness displays for indoor and outdoor visibility. Their fanless construction, sealed housing, and corrosion-resistant materials guarantee performance in high-humidity, dusty, or corrosive atmospheres. Options include operator workstations, thin clients, and remote monitors, each tailored to interface smoothly with DCS and SCADA systems. These HMIs help streamline operations, reduce downtime, and empower operators with critical data access right where it's needed.

Pepperl+Fuchs’ intrinsic safety barriers are passive protection devices that prevent excessive energy from reaching hazardous areas. These barriers are installed between safe and hazardous zones and limit current and voltage to levels that cannot ignite explosive atmospheres. Available as galvanic isolators or Zener barriers (see below), they are suitable for signal transmission involving sensors, switches, and transmitters. Their slim housing, DIN rail mounting, and color-coded terminals simplify installation. Certified for use worldwide, they are a fundamental part of any intrinsically safe control loop in oil, gas, and chemical plants.

Reliable network communication is vital in hazardous process automation, and Pepperl+Fuchs provides certified switches, media converters, and Ethernet extenders built for these conditions. These devices maintain high-speed, interference-free connectivity between sensors, controllers, and SCADA systems — even in electrically noisy or dangerous environments. Many are available in redundant topologies for added reliability, with support for PROFINET, Modbus TCP, and EtherNet/IP protocols. The explosion-protected designs ensure safe data exchange in classified areas without compromising on speed or system uptime.

Pepperl+Fuchs purge and pressurization systems enable the safe operation of standard electrical equipment in hazardous areas by keeping explosive gases out of enclosures. These systems work by maintaining a protective overpressure inside the enclosure, displacing flammable vapors and ensuring non-incendive conditions. They are available in fully automatic or manual configurations, with integrated alarms and ventilation controls. Suitable for process control panels, HMIs, analyzers, and motors, purge systems are used widely across chemical plants, oil refineries, and pharmaceutical production. Their flexibility and compliance with IEC/ATEX/NEC standards make them a cost-effective safety solution.

Remote I/O systems from Pepperl+Fuchs offer decentralized signal integration directly in hazardous areas, reducing wiring needs and simplifying plant expansions. Their modular, hot-swappable design supports analog, digital, and HART signals, and each module is protected to Ex i, Ex e, or Ex p standards. These systems connect field devices to higher-level PLC or DCS systems via standard protocols like PROFIBUS, Modbus, or Ethernet. Ideal for distributed installations in chemical processing or offshore rigs, remote I/O streamlines maintenance, improves diagnostics, and increases overall plant flexibility.

Functional safety is critical in high-risk industries, and Pepperl+Fuchs offers SIL-capable products compliant with IEC 61508 and 61511. These include isolators, signal conditioners, sensors, and controllers designed for Safety Integrity Levels (SIL) 1, 2, and 3. Each product undergoes rigorous failure rate testing and documentation for safety loops in process control applications. Whether used in emergency shutdown systems or gas detection alarms, SIL-certified components help safeguard personnel, equipment, and the environment.

Pepperl+Fuchs offers a wide range of hazardous area sensors for detecting position, level, flow, pressure, and more. These include inductive, capacitive, ultrasonic, and photoelectric sensors with explosion protection built in. Certified for Zones 0/1/2 and Divisions 1/2, they provide accurate measurement even in corrosive, dusty, or high-pressure conditions. Their robust construction and long service life make them ideal for continuous operation in upstream, midstream, and downstream applications.

In hazardous areas, visual and audible signaling devices help ensure operational safety and compliance. Pepperl+Fuchs offers certified beacon lights, sounders, and sirens with high output ratings and durable enclosures. Safety and disconnect switches provide secure power isolation and are often installed in maintenance and emergency stop circuits. Designed to withstand extreme temperatures and mechanical impacts, these devices are crucial for worker safety and process transparency.

Pepperl+Fuchs intrinsically safe mobile devices allow real-time communication, documentation, and data access directly within hazardous zones. The portfolio includes Android-based smartphones and Windows tablets equipped with barcode scanners, high-resolution cameras, and global connectivity options. Certified for use in Zone 1, Zone 2, and Class I/Div 1 areas, these devices enable mobile workforce digitisation and seamless connection to plant IT systems. They support enterprise mobility, remote maintenance, and field-based analytics — increasing productivity while maintaining full safety compliance.

Surge protection devices safeguard critical electronics from transient overvoltage caused by lightning strikes, switching operations, or EMI. Pepperl+Fuchs surge protection barriers are certified for hazardous area installation and are essential for protecting signal and power lines in intrinsically safe circuits. These barriers prevent damage to field devices and controllers, reduce system failures, and help ensure continuous operation of plant equipment.

Designed to safely route and distribute electrical wiring in hazardous zones, Pepperl+Fuchs terminal and junction boxes are built from stainless steel, GRP, or aluminum. Each unit is available with pre-installed terminals, gland plates, and certification for Ex e, Ex d, or Ex i applications. Their modular designs allow easy customization for specific installation needs across oil rigs, chemical plants, and marine facilities. With high ingress protection ratings, they deliver long-lasting reliability in aggressive industrial environments.

Zener barriers are a fundamental component in many intrinsically safe systems, limiting energy into the hazardous area to prevent ignition. Pepperl+Fuchs zener barriers are available in single and multi-channel configurations and are designed for analog and digital signal protection. Simple to install on DIN rails and grounded via a dedicated earth connection, they’re widely used for cost-effective explosion protection in legacy systems and new builds alike.