Direct factory supply of certified OFDX residual current breakers and high-performance circuit protection hardware.
As Ireland cements its position as Europe’s digital and technological epicenter—hosting extensive hyperscale data center clusters across Dublin, Kildare, and Meath alongside massive offshore wind and commercial PV installations—the demand for ultra-reliable low-voltage circuit protection has reached unprecedented heights.
Strict alignment with National Standards Authority of Ireland (NSAI) standards, specifically I.S. 10101:2020 (National Rules for Electrical Installations), mandates advanced residual current detection (RCD/RCCB), earth leakage mitigation, and high breaking capacity circuit breakers to prevent catastrophic outages, arc fires, and localized ground faults.
Information Gain Metric: Modern non-linear industrial loads (variable speed drives, EV chargers, server power supply units) generate high-frequency DC components and complex harmonics. Traditional Type AC RCCBs are no longer adequate. The OFDX Series is engineered specifically with advanced Type A and Type B electromagnetic trip mechanisms to guarantee total safety under smooth DC residual current faults.
Decades of manufacturing precision delivering benchmark reliability to partners in Ireland and across 50+ countries.
Analytical examination of evolving regulatory, environmental, and technological drivers demanding next-generation OFDX Series protection components.
Ireland processes vast volumes of European cloud data. A single micro-second fault or false RCCB nuisance trip can incur millions in SLA penalties. OFDX Series RCCBs utilize transient-proof surge suppression coils and high-frequency filtering to eliminate unwanted tripping while providing instantaneous break under genuine residual current leakage.
From distributed commercial rooftop solar in Cork to rural battery storage farms in Galway, renewable integration exposes AC networks to smooth DC leakage currents. OFDX Type B RCCBs detect residual currents up to 1000 Hz and smooth DC components up to 6mA/30mA, fully complying with IEC 62423 standards.
Irish manufacturing plants—especially pharmaceutical, medical device, and food processing facilities—are upgrading to fully automated smart production lines. OFDX breakers deliver thermal-magnetic stability across extreme ambient temperatures (-25°C to +55°C) with low internal resistance contacts.
Situated in Yueqing, Wenzhou—the globally recognized capital of low-voltage electrical appliances—Wenzhou OFA Electrical Technology Co., Ltd. combines raw material procurement efficiency, digitalized quality control, and agile engineering flexibility.
High-reliability components engineered for commercial distribution, industrial switchgear, and renewable microgrids.
Primary function: make, carry, and break currents under normal circuit conditions, and interrupt abnormal fault currents (overload and short-circuit up to 100kA). Featuring electronic or thermal-magnetic trip units for precise selectivity in industrial panels.
The frontline defense for modern low-voltage distribution. Compact DIN-rail design available in B, C, and D trip curves with 6kA to 10kA breaking capacities, protecting sub-circuits across residential, commercial, and laboratory facilities.
Intelligent main incoming protection for large industrial plants and data centers. High current capacity (up to 6300A), advanced micro-processor controller, RS485/Modbus communication capability for automated power management.
High-sensitivity earth-leakage current protection. Instantly trips upon detecting lethal leakage currents ($\ge 30\text{mA}$), preventing electrocution and electrical fire hazards across Type AC, A, B, and S-time-delayed variants.
Innovatively integrates three vital protective functions—overload, short-circuit, and high-sensitivity earth leakage—into a space-saving single module unit, reducing board footprint by 50% in tight distribution panels.
Combines heavy-duty isolation capabilities with ergonomic handle lockout designs, allowing technicians to perform maintenance with positive break indication in accordance with safety isolation guidelines.
Rigorous electrical metrics designed to fulfill NSAI I.S. 10101 and IEC/EN 61008 standards.
| Electrical Parameter | OFDX 2P Specification | OFDX 4P Specification | Compliance & Test Standard |
|---|---|---|---|
| Poles & Configurations | 1P+N (2P Body) | 3P+N (4P Body) | IEC 61008-1 / EN 61008-1 |
| Rated Current ($I_n$) | 16A, 25A, 32A, 40A, 63A, 80A | 25A, 40A, 63A, 80A, 100A, 125A | Standard DIN Rail 35mm Mounting |
| Rated Residual Sensitivity ($I_{\Delta n}$) | 10mA, 30mA, 100mA, 300mA | 30mA, 100mA, 300mA, 500mA | Electromagnetic & Electronic Type A/B |
| Rated Voltage ($U_n$) | AC 230V / 240V (50/60Hz) | AC 400V / 415V (50/60Hz) | Ireland Grid 230V/400V Compatible |
| Short-Circuit Conditional Current ($I_{nc}$) | 10,000 A (10kA) with backup fuse | 10,000 A (10kA) with backup fuse | EN 61008-1 High Endurance Rating |
| Residual Tripping Time ($t$) | $\le 0.1\text{s}$ at $1 \times I_{\Delta n}$ | $\le 0.1\text{s}$ at $1 \times I_{\Delta n}$ | Instantaneous or S-Type Time Delay |
| Insulation Voltage ($U_i$) | 500V | 500V | Impulse withstand voltage $U_{imp} = 4\text{kV}$ |
| Mechanical & Electrical Life | 20,000 Cycles / 10,000 Operations | 20,000 Cycles / 10,000 Operations | Silver Alloy Contacts (AgSnO2) |
Deploying tailored circuit protection solutions for Ireland's diverse engineering and commercial projects.
Main distribution boards require S-Type time-delayed RCCBs paired with OFM1 MCCBs to achieve selective discrimination, ensuring localize trip isolation without interrupting power to surrounding server racks.
Humid, corrosive environments in chemical processing plants utilize waterproof outdoor enclosures fitted with OFAP6-AC series IP65 breakers, safeguarding processing lines against moisture-induced earth leakage.
Off-grid solar and micro-grid inverter systems in Western Ireland leverage OF1-125/PV DC Molded Case Circuit Breakers, isolating high voltage direct current up to 1000V DC under fault conditions.
Public fast-charging networks across the M50 corridor and major hubs rely on OFDX Type B RCCBs capable of detecting smooth direct residual currents, fulfilling strict EV supply equipment (EVSE) safety rules.
Direct Feedback from Systems Integrators, Maintenance Directors, and Project Engineers.
"Procuring OFDX Series 4P RCCBs and OFM1 MCCBs for our industrial park project near Dublin reduced our overall component expenditure by 32% while completely fulfilling Irish NSAI certification criteria. The technical documentation was flawless."
"We upgraded our manufacturing workshop's sub-panels with OFA's intelligent protection devices over a year ago. Zero false tripping events, exceptional thermal endurance, and immediate remote technical response from OFA engineers."
"In solar utility applications, equipment longevity under harsh outdoor weather is critical. OFA's DC circuit breakers and Type B RCCBs have delivered 100% uptime on our 5MW commercial solar array."
From initial specification matching to fast international delivery and post-commissioning support.
Submit your single-line diagrams (SLD) or BOM list. Our engineering team reviews voltage ratings, breaking capacities, and sensitivity curve requirements to match Ireland wiring rules.
For custom enclosures, private labeling, specific terminal configurations, or custom trip curves, our technical department provides CAD drawings and prototype verification.
Once orders are confirmed, component manufacturing follows strict ISO9001 SOPs with 100% full-process calibration, thermal testing, and magnetic trip verification.
Export-ready palletizing, complete customs documentation (CE, Certificate of Origin), and air/sea freight routing directly to Dublin Port, Shannon, or Cork hubs.
Authoritative technical, commercial, and regulatory guidance for Irish electrical distributors and project specifiers.
Yes. The OFDX Series is designed and manufactured strictly in accordance with EN/IEC 61008-1 standards. They meet all safety specifications laid out in Ireland’s National Rules for Electrical Installations (I.S. 10101:2020), including requirements for Type A residual current detection in domestic circuits and Type B detection for micro-generation, inverter, and EV charging circuits.
Type AC RCCBs detect purely sinusoidal AC residual currents. Type A RCCBs detect both sinusoidal AC currents and pulsating DC residual currents (common in modern household electronics and drives). Type B RCCBs—such as advanced OFDX configurations—protect against sinusoidal AC, pulsating DC, and smooth continuous DC leakage currents up to 1000 Hz, making them mandatory for solar PV inverters, variable frequency drives (VFDs), and EV chargers.
Absolutely. OFA specializes in OEM/ODM solutions. We provide custom laser printing for product branding, customized trip curves, specialized terminal screws, bespoke packaging boxes, and complete technical datasheets styled with your brand identity, backed by minimum order quantity (MOQ) flexibility.
OFA operates under ISO9001 certified quality management. Every breaker undergoes rigorous automated end-of-line testing: 100% trip time verification at $1 \times I_{\Delta n}$ and $5 \times I_{\Delta n}$, dielectric voltage withstand tests, thermal calibration for magnetic tripping, and mechanical lifecycle endurance checks.
Standard catalog items are stocked for rapid assembly and dispatched within 7–14 business days. Air express options deliver to Dublin Airport within 5–7 days, while full container load (FCL) sea freight via Dublin Port or Cork typically takes 25–35 days depending on shipping lanes.
Explore our entire range of RCCB, MCB, MCCB, ACB, RCBO, and Isolator Switch solutions available for global import.
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