High-efficiency, flameproof, and explosion-protected asynchronous & permanent magnet electric motors
Ireland’s industrial landscape represents one of the world's most dense concentrations of high-tech manufacturing, pharmaceutical synthesis, fine chemical processing, and renewable energy development. As global engineering EPCs (Engineering, Procurement, and Construction firms) expand facilities across major Irish hubs such as the Cork Ringaskiddy Biopharmaceutical Cluster, the Dublin Grange Castle Technology Park, and the Shannon Free Zone, the requirement for ultra-reliable, safety-critical explosion-proof electric motors has reached unprecedented levels.
A primary challenge facing Irish plant directors and mechanical procurement specialists is the technical convergence between North American NEC Class I Division 1 (UL / CSA) standards and European ATEX Directive 2014/34/EU (IECEx Zone 1) regulations. Many multinationally owned production assets in Ireland operate under standardized global design blueprints originating from the United States while adhering strictly to European Union environmental and workplace safety mandates overseen by the Health and Safety Authority (HSA) and certified by accredited notified bodies.
Key Technical Takeaway for Irish Engineers: OME Motors specializes in custom-built dual-certified Class I Division 1 / ATEX Zone 1 (Ex db / Ex eb) electric motors. Our Italian design engineering guarantees seamless integration into 400V/50Hz Irish grid infrastructure while supporting optional 460V/60Hz frequency inverter operations without thermal derating or certification voiding.
Operating in explosive atmospheres where flammable gases, vapors, or combustible liquids are continuously or intermittently present demands absolute containment of internal electrical arcs and thermal hotspots. OME Motors manufactures heavy-duty flameproof enclosures capable of withstanding internal explosion pressures up to 10 bar without rupturing, preventing flame propagation into surrounding atmospheric zones.
To assist Irish compliance officers, OEM equipment builders, and maintenance engineers in technical evaluation, the following comparison matrix details the precise electrical and structural parameters of OME Motors' dual-certified explosion-proof series.
| Specification Parameter | North American Standards (Class I Div 1) | European & Irish Standards (ATEX Zone 1 / IECEx) | OME Motors Technical Guarantee |
|---|---|---|---|
| Hazard Level Definition | Ignitable concentrations of flammable gases/vapors exist continuously or periodically under normal operation. | An atmosphere containing a mixture of flammable substances is likely to occur in normal operation (Zone 1). | Dual-Certified Class I Div 1 + ATEX Zone 1 Ex d / Ex db Enclosures |
| Gas Group Classification | Group A (Acetylene), Group B (Hydrogen), Group C (Ethylene), Group D (Methane/Propane) | IIC (Hydrogen/Acetylene), IIB (Ethylene), IIA (Propane) | Ex d IIC T4 / T5 / T6 rating covering all volatile organic chemicals (VOCs) |
| Temperature Classes | T1 (450°C) down to T6 (85°C Max Outer Surface Temp) | T1 (450°C) down to T6 (85°C Max Outer Surface Temp) | Standard T4 (135°C); Custom T5/T6 for temperature-sensitive chemical APIs |
| Standard Operating Voltage | 230V / 460V / 575V @ 60Hz | 400V / 690V @ 50Hz (Standard Irish Grid Frequency) | Multi-voltage windings (380V-415V 50Hz / 440V-480V 60Hz) as standard |
| Efficiency Standard | NEMA Premium Efficiency (MG-1 Table 12-12) | EU Eco-design Regulation (EU) 2019/1781 (IE3 / IE4) | IE3 Premium, IE4 Super Premium, and IE5 Permanent Magnet synchronous |
| Ingress Protection | NEMA 4, 4X, 7, 9 Sealed Construction | IP55, IP65, IP66 Ingress Protection | IP66 Marine grade cast iron + anti-corrosive epoxy coating system |
Machined to sub-micron tolerances to quench internal explosive flames before reaching surrounding atmosphere.
Class H insulation with reinforced phase separators to withstand high-frequency voltage spikes from modern frequency drives.
Embedded RTDs in motor windings and bearing assemblies for real-time predictive temperature monitoring.
Ireland’s economy features distinct industrial corridors, each requiring specialized explosion-proof electric drive configurations. OME Motors provides targeted engineering solutions matched directly to regional operational demands:
Facilities operated by global pharmaceutical leaders in Ringaskiddy, Little Island (Cork), and Grange Castle (Dublin) rely on volatile organic solvents such as acetone, ethanol, toluene, and isopropyl alcohol during chemical synthesis and purification. Electric motors driving agitators, centrifuges, reactors, and solvent transfer pumps must carry certified Ex d IIC T4 protection.
OME Motors supplies stainless steel hardware, anti-corrosive epoxy paint coatings resisting harsh SIP/CIP washdown cycles, and low-vibration rotor balancing to eliminate mechanical wear in cleanroom adjacent environments.
The rapidly expanding Irish whiskey industry—featuring world-renowned distilleries in Midleton, Kilbeggan, Dublin (Teeling), and Co. Louth—presents significant explosion hazards due to high-proof ethanol vapors (Class I Div 1 / Zone 1) and combustible grain dusts (Class II Div 1 / Zone 21).
Our dual dust-and-gas certified explosion-proof motors power grain hammermills, mash tun agitators, wort pumps, and spirit transfer systems, ensuring uninterrupted production while guaranteeing absolute compliance with Irish Fire Authority safety inspections.
From the onshore gas processing plant at Bellanaboy (Co. Mayo) to emerging offshore floating wind and green hydrogen production off the Celtic Sea and Atlantic coasts, electric motors are exposed to highly corrosive salt spray, high humidity, and combustible hydrocarbon gases.
OME Motors manufactures marine-treated cast iron motors equipped with IP66 seals, brass cable glands, internal anti-condensation heaters, and Class H tropicalized insulation packages to withstand Atlantic offshore weather conditions.
Bulk materials handling at the Port of Cork, Foynes Port, and Dublin Port involves bulk loading of powders, fertilizers, and raw chemical stocks. Dust explosion protection (Ex tb / Class II Div 1) is mandatory to prevent catastrophic dust cloud ignition. OME Motors provides double-sealed shaft bearing arrangements and heavy-duty terminal boxes designed specifically for dusty, high-vibration grain and chemical conveyors.
Purchasing decisions for industrial motors in Ireland are governed by strict European Union decarbonization mandates and national industrial policies. Key market trends include:
EU Ecodesign Regulation 2019/1781 mandates IE4 efficiency for motors between 75kW and 200kW. OME Motors delivers IE4 and IE5 across the complete power spectrum from 0.75kW to 1000kW.
Irish plants are integrating wireless vibration and thermal telemetry onto hazardous area drives. OME motors come pre-fitted with sensor mounting pads and intrinsically safe sensor ports.
Full traceability with ATEX EU-Type Examination Certificates and IECEx Quality Assessment Reports (QAR), accepted directly by the National Standards Authority of Ireland (NSAI).
Founded with a commitment to European electromechanical craftsmanship, OME Motors combines Italian engineering precision with global export capabilities. Our production plants in Brescia, Italy, adhere strictly to ISO 9001 quality management systems, managing every step from electromagnetic design to load testing.
• 100% High-Grade Electrolytic Copper Windings: Utilizing dual-coated enamelled copper wire (Class H 180°C thermal rating) to maximize electrical conductivity and withstand severe thermal stress under heavy overload cycles.
• Vacuum Pressure Impregnation (VPI): All stator windings undergo full VPI treatment with high-grade synthetic resin, eliminating air voids, resisting internal moisture accumulation, and enhancing mechanical rigidity against high-torque starting forces.
• Dynamic Rotor Balancing: Precision dynamically balanced with half-key according to ISO 1940 Grade G2.5 standards, ensuring vibration-free performance and extending bearing operational lifespan beyond 100,000 service hours.
• Custom Mechanical Flanges & Shaft Extensions: Special shaft materials (AISI 316 / 420 stainless steel), custom drive-end flanges (NEMA C-Face, D-Flange, IEC B5, B14, B35), and custom junction box orientations for tight OEM machinery envelopes.
Class I Division 1 is a North American classification system (NEC 500) where explosive gas mixtures are expected during normal operating conditions. ATEX Zone 1 is the European standard (Directive 2014/34/EU) under IEC 60079. While Class I Div 1 combines continuous and intermittent hazard profiles into one division, Zone 1 explicitly covers intermittent hazards (with Zone 0 handling continuous hazards). OME Motors manufactures dual-certified motors carrying both UL/CSA Class I Div 1 and ATEX/IECEx Zone 1 Ex db ratings, ensuring full legal compliance for Irish installations regardless of whether project drawings specify US or EU engineering standards.
Yes. The standard Irish industrial power supply is 400V 50Hz three-phase. OME Motors designs standard winding configurations rated for 400V/690V at 50Hz, with voltage tolerances compliant with IEC 60034-1. Furthermore, our motors feature wide-band voltage capability (380V-415V at 50Hz and 440V-480V at 60Hz), enabling seamless operation on Variable Frequency Drives (VFDs) without requiring special rewinding.
Every motor exported to Ireland includes a comprehensive technical documentation package required for HSA and NSAI audits: EU Declaration of Conformity under ATEX 2014/34/EU, ATEX EU-Type Examination Certificate issued by an EU Notified Body, IECEx Certificate of Conformity, Routine Factory Test Reports (vibration, resistance, dielectric, air-gap measurement), and complete Operating & Maintenance Manuals in English.
Our motors utilize high-tensile EN-GJL-200 or EN-GJS-400 cast iron frames treated with a multi-coat polyurethane or epoxy surface coating meeting ISO 12944 C4-H or C5-M high-durability marine corrosion standards. External fasteners are fabricated from AISI 316 stainless steel, and terminal boxes feature synthetic elastomer sealing gaskets providing guaranteed IP66 ingress protection against driving rain, sea spray, and chemical hose-down.
Yes. All OME explosion-proof motors intended for VFD duty are equipped with phase insulation barriers, reinforced slot insulation, and Class H enamelled wire to withstand rapid voltage rise times (dV/dt) and peak voltages associated with modern PWM inverters. Thermal protection is ensured via embedded PTC thermistors or PT100 RTDs in the winding heads linked to the drive trip circuit. Insulated bearings or grounding rings are available for frame sizes 280 and above to prevent damaging shaft current erosion.
Standard low-voltage explosion-proof motors (up to 45kW) are maintained in inventory at European distribution hubs for rapid dispatch to Ireland within 5 to 7 business days. Custom engineered drives, high-voltage explosion-proof units (up to 15kV), or special flange/shaft configurations typically carry a manufacturing lead time of 6 to 10 weeks, backed by express air or direct road freight logistics to Dublin, Cork, or Shannon.
Absolutely. OME Motors is an industry pioneer in marrying explosion-proof protection with ultra-high energy efficiency. We supply IE4 Super Premium asynchronous flameproof motors and IE5 permanent magnet synchronous explosion-proof motors. These units significantly reduce electrical losses and carbon tax overheads for continuous 24/7 Irish chemical and pharmaceutical plants.
Simply click the "Send an Inquiry" button anywhere on this page to connect directly with our engineering sales team. You can submit your motor nameplate data, operating environment parameters, required gas group/temperature class, and mounting requirements for an immediate response and formal engineering quote.
Get in touch with our application engineering specialists today for expert selection assistance, detailed CAD drawings, ATEX/IECEx documentation, and competitive factory-direct quotation.
