AC High Voltage Explosion-Proof Motor Manufacturers for Ireland

Directing Safe, Reliable, and Smart High Voltage Drive Solutions Specially Engineered for Ireland's Hazardous Zones in Biopharma, Offshore Gas, Refining, and Wind Grid Integration.

Ireland's Hazardous Area Regulations & High Voltage Industrial Drivers

An in-depth analysis of Ireland's industrial landscape, safety compliances, and the engineering necessity of custom explosion-proof motors.

The Industrial Landscape of Hazardous Environments in Ireland

Ireland has transitioned into one of the world's most sophisticated hubs for biopharmaceuticals, fine chemicals, gas terminal distribution, and sustainable maritime energy. From the massive pharmaceutical clusters in Cork (Ringaskiddy) and Dublin (Grange Castle) to offshore gas infrastructure projects such as the Corrib Gas Field and major marine ports, hazardous industrial zones require uncompromising safety standards. Chemical processes involving volatile organic compounds (VOCs), flammable solvents, and combustible dust demand industrial motors that can guarantee ignition prevention.

Under the Irish Health and Safety Authority (HSA) and the strict transposition of the European ATEX Directives (specifically Directive 2014/34/EU and Directive 1999/92/EC), any high-voltage electrical equipment installed in Zone 1, Zone 21, Zone 2, or Zone 22 hazardous zones must possess certified protection ratings. Standard industrial motors cannot mitigate the danger of explosive atmospheres caused by gas mixtures or combustible dusts. Consequently, heavy industries across Ireland rely on specialized AC High Voltage Explosion-Proof Motors to power essential pumps, compressors, fans, and mixers.

Meeting Ireland's Specific Grid and Power Distribution Needs

High voltage infrastructure in Irish manufacturing plants operates primarily on 3.3kV, 6.6kV, or 10kV networks. High voltage motors are essential because they reduce line currents, minimize electrical losses across long cable runs, and provide massive mechanical torque for heavy-duty process machinery. However, deploying high voltage drives in explosive areas requires a multi-faceted design focus: maintaining insulation integrity under variable voltage stresses while containing hot sparks or thermal energy internally.

Moreover, as Ireland accelerates its transition toward green energy grid stabilization under EirGrid’s DS3 Program, the deployment of grid stabilizers like Distributed Synchronous Condensers becomes highly crucial. These systems provide the necessary inertia and reactive power management to keep industrial operations online, preventing voltage sags in major manufacturing facilities across Ireland.

Biopharmaceutical Process Safety

Explosion-proof motors ensure solvents and active organic chemicals do not combust in Dublin and Cork bio-reactors and extraction labs.

Offshore & Marine Operations

Equipped with C5-M high-salinity anti-corrosion paint and robust flameproof designs to withstand the harsh Atlantic weather conditions.

IE4 / IE5 Efficiency Demands

Integrating synchronous and permanent magnet designs to help Irish factories comply with the National Energy Efficiency Action Plan.

Shaanxi Nanfang Motor Technology Co., Ltd. & Wolong Electric Drive Group

Shaanxi Nanfang Motor Technology Co., Ltd. is the authorized global distributor of Wolong, an industry leader founded in 1984 and listed on the Shanghai Stock Exchange in 2002 (code SH600580). Over nearly four decades of continuous R&D and strategic global expansion, Wolong has built 3 world-class manufacturing bases, 39 advanced factories, and 3 global R&D centers.

By focusing on motors and control system innovation, Wolong has executed a global brand strategy, positioning itself as a primary driver of R&D, safety technology, and worldwide sales. Through Nanfang Motor Technology, customers in Ireland have access to top-tier high-voltage drive systems that seamlessly merge Wolong's proprietary designs with legendary European engineering heritages acquired over decades.

Wolong Factory and R&D Capabilities
100+
Production Lines
58+
Exporting Countries
32+
Core Patents
200+
Major HV Projects

A Century of Acquired Industrial Heritage

Discover how Wolong consolidated the world's most trusted motor brands to manufacture high-voltage systems featuring absolute safety and performance.

2011

Acquisition of Austrian ATB Group (ATB, Morley, Laurence Scott)

In 2011, WOLONG acquired 97.94% of the Austrian ATB Group, one of the three major European motor manufacturers. This acquisition integrated a century of heavy industrial design into the Wolong global engineering network. This included Morley Motors, with a 130-year history of constructing flameproof motors for demanding underground coal mining, and Laurence Scott, renowned for manufacturing low-starting-current motors for nuclear power plants and naval defense vessels.

ATB Motor Heritage Morley Mining Heritage
2011 - 2012

Integration of Schorch & Brook Crompton Motors

Established in 1882 in Germany, Schorch joined the WOLONG Group, bringing its high-quality standards in drive systems for oil and gas, chemicals, water management, and tunnel ventilation. Along with Schorch, Brook Crompton Motors integrated its century-long experience in energy-efficient low, medium, and high-voltage AC motors (including the premium Brook Crompton 'W' and '10' series), establishing a strong base in efficient drive systems for hazardous environments.

Brook Crompton Motor Technology Schorch Factory Line
2015

Nanyang Explosion-Proof Group (CNE) Alliance

In 2015, WOLONG acquired CNE (China's largest explosion-proof motor research and production base). Nanyang Explosion Group's designs have been key in petroleum, chemical, coal chemistry, metallurgy, electricity, and nuclear power projects. This engineering base is combined with OLI Brand, a world leader in vibration motors (MVE) and explosion-proof vibration sensors, to deliver high-quality vibration systems.

CNE Explosion Proof Production OLI Vibration Technologies
2018

General Electric (GE) Industrial Motors Integration

In 2018, GE's commercial and industrial motor division joined WOLONG. The integration of GE's heavy-duty engineering expertise in large-scale oil, gas, chemical, mining, and water treatment motors has further strengthened Wolong's technical capabilities in manufacturing high-efficiency, explosion-proof motors.

GE Industrial Motors Integration Wolong GE Motor Testing

Inside Wolong's High Voltage Explosion-Proof Motors

Every component is engineered to operate safely in highly explosive gas and dust environments.

VPI Vacuum Stator Insulation System

The high-voltage stator coils are insulated with polyester film and reinforced glass cloth. They are wrapped with high-mica-content tape to handle electric field stress. After the winding process, the entire stator core undergoes the Vacuum Pressure Impregnation (VPI) process.

This process extracts all air and moisture from the stator and replaces them with solventless resin under pressure. The result is a moisture-resistant insulation system with high dielectric strength and thermal stability, built to prevent partial discharges in explosive gas environments.

Squirrel Cage Rotor Construction

The rotor features a squirrel cage design optimized for high starting torque. It uses either centrifugal cast aluminum or die-cast aluminum, combining the rotor bars and end rings into a single structure to improve dynamic balance and performance.

For larger capacities and high-load starts, high-strength copper bar rotors are used. The copper bars are welded to the end rings, and high-speed units feature locking rings to support the rotor structure during operation.

Digital Multi-Physics Frame Optimization

The motor enclosure is designed using a digital platform for structural and fluid dynamics simulations. This helps optimize heat dissipation and vibration isolation.

The frames are made from high-strength cast iron or structural steel. They provide the necessary physical protection to contain internal gas explosions without cracking, preventing the ignition of external explosive atmospheres.

Low-Noise Ventilation and Fan Hoods

The low-noise ventilation system consists of an aerodynamic fan cover, air guide, protective mesh, and silencer plates. The side air intake design reduces turbulence, lowers noise levels, and helps prevent blockages at the back of the motor.

Constructed with integrated sound-absorbing materials, the system has an IP22 rating. This prevents contact with the moving fan blades while keeping operating temperatures within ATEX limits.

Explosion-Proof Motor Rotor Production
Stator VPI Coils Manufacturing
Cast Iron Motor Frame Construction
Low Noise Fan Hood System Assembly

Regulatory Compliance & Global Standards

Every motor is certified by international bodies, ensuring safe import and operation within Ireland and the wider EU market.

Nemko ATEX Certification

Nemko / ATEX

CSA Certificate

CSA Standard

CE Mark

CE Directives

CC Quality Certification

CC Quality Certificate

SABS Certificate

SABS Standard

ISO & CE Quality Gates

Our manufacturing processes are certified to the ISO 9001 standard. This certification ensures quality control, full traceability of explosion-proof components, and consistent manufacturing standards, allowing these systems to bypass trade barriers and be imported into the EU market.

NEMA Standards for Multi-Regional Applications

To support multinational operations, our motors can be configured to comply with NEMA standards. Testing includes efficiency verification, insulation resistance testing, starting current measurement, torque evaluation, and sound testing. High-voltage units are certified to meet both UL and CSA safety standards.

IECEx & ATEX Directives

Compliance with the ATEX Directive 2014/34/EU and the global IECEx scheme is mandatory for hazardous zone applications in Ireland. This certification ensures that the motors can operate safely in the presence of explosive vapors, gases, or dust mixtures without danger of ignition.

TESTSAFE Compliance

Through our compliance with the TestSafe standard—the primary coal product certification body in the Southern Hemisphere—these motor designs are certified for mining and heavy industrial exports, meeting safety standards worldwide.

ISO 9001 Document ATEX Compliance Record IECEx Document UL CSA Certification Sheet

High-Performance AC Motors & Integrated Systems for Heavy Industries in Ireland

Browse our extensive selection of flameproof, increased safety, positive pressure, and variable frequency motors with verified URLs.

Technical Roadmap & Future Outlook

Adapting high-voltage drives to comply with sustainability, energy efficiency, and predictive maintenance standards.

IE4 & IE5 Efficiency Standards

Irish businesses face rising carbon taxes and energy prices, driving demand for high-efficiency motors. Transitioning from standard induction motors to Permanent Magnet Synchronous Motors (PMSM) like the WEPM series reduces energy losses, helping facilities lower their overall carbon footprint.

Smart IoT Diagnostics

Integrating vibration, temperature, and current sensors directly into explosion-proof enclosures allows operators to monitor motor health in real time. This capability supports predictive maintenance strategies, helping to prevent unscheduled shutdowns in critical manufacturing facilities.

Custom Engineered Drives

We work closely with plant engineering teams to build custom shaft configurations, varied termination positions, and bespoke cooling schemes (such as air-to-air or water-to-air exchangers). These modifications ensure drop-in compatibility for existing facility upgrades.

Technical Q&A: High Voltage & Explosion-Proof Motor Engineering

Find answers to common questions about industrial standards, hazardous zone ratings, and system selection.

What is the difference between Ex d, Ex e, and Ex p ratings in high voltage motors?
Ex d (Flameproof): The enclosure can withstand an internal explosion of a flammable mixture and prevent it from igniting the surrounding explosive atmosphere. Perfect for Zone 1 environments.
Ex e (Increased Safety): Measures are applied to prevent the possibility of excessive temperatures and the occurrence of arcs and sparks inside or on outer parts of the motor. Highly useful for high voltage applications in Zone 2.
Ex p (Pressurized): The enclosure is purged and pressurized with a protective gas (air or inert gas) to prevent the entry of surrounding explosive gases. Ideal for large high-voltage synchronous machines.
How does variable frequency driving (VFD) affect high-voltage explosion-proof motors?
Operating a high-voltage motor with a variable frequency drive (such as our YBBPX series) introduces harmonic distortion and potential voltage spikes that can stress insulation. Motors intended for VFD use require reinforced insulation (typically Class H or VPI treated) and must be tested to ensure the outer frame temperature remains within the T-class limits (e.g., T4) when operating at lower speeds with reduced cooling airflow.
Which certifications are required to install high-voltage motors in Ireland?
Under Irish legislation enforced by the Health and Safety Authority (HSA), all electrical apparatus installed in explosive gas or dust atmospheres must carry the CE marking and have ATEX certification (Directive 2014/34/EU). Compliance with European Harmonized Standards (EN 60079 series) is required. Our Wolong and ATB motors carry both ATEX and IECEx certifications to ensure full regulatory compliance.
Why is a Distributed Synchronous Condenser used in grid stability systems?
As Ireland increases its proportion of renewable energy, the grid loses the rotating mass (inertia) previously supplied by traditional thermal power station turbines. A Distributed Synchronous Condenser acts as a free-spinning synchronous motor connected to the grid, dynamically absorbing or injecting reactive power to stabilize voltage fluctuations and improve overall grid reliability.