Empowering France’s Energy Transition, Industrial Automation, and Smart Building Infrastructure with Next-Generation Miniature Circuit Breakers (MCB) & Low-Voltage Protection Technology.
Engineered for high breaking capacity, rapid arc quenching, and absolute reliability under demanding thermal conditions across commercial panels and industrial switchboards.
France is undergoing an aggressive reindustrialization and decarbonization strategy driven by national programs such as France 2030. As the country expands its EV charging corridors (IRVE deployment), scales solar PV networks across agricultural and commercial hubs, and modernizes its massive manufacturing sectors—from automotive plants in Hauts-de-France to aerospace networks in Occitanie—the reliance on ultra-dependable low-voltage circuit protection is higher than ever.
Strict compliance with European standards (EN 60898-1) and French electrical installation regulations (NF C 15-100) mandates circuit breakers that exhibit uncompromised thermal-magnetic response, minimal power dissipation, and exceptional short-circuit interrupting capabilities. The OFL7 Series MCB range directly targets these stringent operational parameters.
Key Takeaway for Procurement Managers: The French market requires equipment suppliers who combine high-volume production efficiency with rigorous compliance, short lead times, and custom OEM capabilities for panel builders (tableautiers) and EPC contractors.
Integrating distributed renewable sources requires MCBs capable of handling bidirectional loads, frequent switching operations, and wide ambient temperature fluctuations.
Fast EV charging stations across French highways require high-end circuit breakers that protect against harmonic distortions and persistent overcurrents without nuisance tripping.
A trusted global supplier of power distribution switchgear and control equipment, delivering engineering excellence from China’s premier electrical appliance hub.
Founded in 2013 in Yueqing, Wenzhou—the heart of China's low-voltage electrical industry—Wenzhou OFA Electrical Technology Co., Ltd. has established itself as an authoritative manufacturer and exporter of distribution switchgear, control gear, and low-voltage accessories.
Holding independent proprietary brands like "OFA", our operations adhere strictly to ISO9001 quality management systems. Our facility utilizes automated assembly platforms and digital testing stations to evaluate mechanical endurance, insulation resilience under voltage spikes, thermal rise thresholds, and precise tripping response curves.
Recognized with a Grade A Tax Credit rating for seven consecutive years, we maintain a transparent, law-abiding business practice that offers French distributors, OEMs, and system integrators complete supply-chain certainty.
Request Factory Audit ReportDesigned in accordance with IEC/EN 60898-1 and IEC/EN 60947-2 for universal DIN-rail mounting across standard European enclosure boxes.
| Parameter | OFL7-63 Specifications | OFL7-125 High-Current Series |
|---|---|---|
| Number of Poles (P) | 1P, 2P, 3P, 4P | 1P, 2P, 3P, 4P |
| Rated Current (In) | 1A, 2A, 4A, 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A | 80A, 100A, 125A |
| Rated Voltage (Ue) | 230V / 400V AC (50/60Hz) | 230V / 400V AC (50/60Hz) |
| Rated Breaking Capacity (Icn) | 6,000A (6kA) / 10,000A (10kA) | 10,000A (10kA) |
| Tripping Characteristics | B Curve (3-5 In), C Curve (5-10 In), D Curve (10-14 In) | C Curve (5-10 In), D Curve (10-14 In) |
| Insulation Voltage (Ui) | 500V AC | 500V AC |
| Impulse Withstand Voltage (Uimp) | 4 kV | 6 kV |
| Electrical / Mechanical Life | 10,000 operations / 20,000 operations | 8,000 operations / 15,000 operations |
| Protection Degree & Terminal | IP20 (IP40 in enclosure), Tunnel Terminal for up to 25mm² cable | IP20, Tunnel Terminal for up to 50mm² cable |
| Ambient Temperature Range | -35°C to +70°C (Derating parameters available upon request) | -35°C to +70°C |
Ideal for resistive loads such as electric heating, domestic appliances, and long cable runs in rural French installations.
Standard choice for commercial lighting, general socket circuits, IT server rooms, and standard inductive loads.
Optimized for heavy industrial inductive loads with high inrush currents, including transformers, HVAC compressors, and motors.
Tailored protection architectures integrating OFL7 MCBs with companion MCCBs, RCCBs, and Air Circuit Breakers.
Used in combiner boxes and AC invertor distribution panels for residential rooftop solar and utility-scale PV farms in Southern France.
Compatible with DC OF1-125/PVIntegrated into sub-distribution panels across office towers in La Défense, Paris, supporting energy monitoring and selective tripping.
Paired with OFPM RCCBsDelivering high-reliability protection for automated production lines, CNC machinery, and motor control centers (MCC).
Compatible with BA88 MCCBEnsuring uninterrupted power supply protection and rapid fault isolation within high-density server racking environments.
Paired with OFW1 ACBHow we collaborate with French panel builders, electrical wholesalers, and engineering contractors from inquiry to final delivery.
Technical evaluation of load profiles, tripping curves, and regulatory certificates needed.
Detailed topology generation, CAD modeling, and thermal performance validation.
Automated batch assembly, laser marking, and customized terminal configuration.
Routine factory acceptance testing (FAT) for dielectric strength and tripping calibration.
Customs clearance support, DDP/FOB logistics arrangements to major French ports (Le Havre, Marseille).
See why electrical engineers and system integrators choose OFA for critical power distribution projects.
"As a system integrator in Poland, we collaborated with OFA on multiple industrial automation projects. Their product range simplified our procurement, and the quality is remarkably consistent across high-volume batches."
"We purchased OFA intelligent power monitoring devices and MCBs to retrofit an aging factory workshop in Germany. The installation went smoothly and they have performed flawlessly under continuous load for over a year."
"Deploying OFA energy efficiency and protection components across commercial office properties in Southeast Asia yielded clear power stability gains. Their remote technical support team is exceptionally responsive."
Pioneering the evolution from passive circuit tripping to active AI-driven diagnostic monitoring.
Developing miniature breaker modules equipped with integrated current sensors and Bluetooth/Modbus communications for real-time telemetry into building management systems (BMS).
Upgrading thermal-magnetic modules with algorithm-driven high-frequency arc sensing to eliminate fire hazards in historic French architecture and wooden structures.
Transitioning 100% of product enclosures to halogen-free, fully recyclable thermo-polymers aligned with EU REACh and RoHS 2.0 directives.
Whether you are designing a new industrial facility in Lyon, assembling switchboards in Paris, or installing solar farms in Marseille, OFA brings factory-direct efficiency, engineering depth, and certified reliability to your electrical supply chain.
Answers to technical, regulatory, and commercial inquiries for French and European buyers.
A: OFL7 Series Miniature Circuit Breakers comply fully with international standards IEC/EN 60898-1 and IEC/EN 60947-2. They carry official CE markings, RoHS environmental compliance, and are produced under ISO9001 quality management systems. Technical test reports for French NF C 15-100 installation compatibility are available upon request.
A: Yes. We offer comprehensive OEM/ODM services including custom laser marking of part numbers and company logos, customized packaging, specific handle colors, and tailored tripping curve calibrations (B, C, or D curves) to suit your brand requirements.
A: Standard catalog items are maintained in safety stock for rapid dispatch. Bulk customized OEM production typically requires 15–25 days. We coordinate air freight for urgent project milestones or sea freight (DDP/FOB/CIF) to major French ports such as Le Havre or Marseille.
A: The OFL7 Series features silver-alloy contact point construction for superior arc suppression and extended mechanical life, enhanced ventilation slots between poles to prevent thermal crosstalk in dense switchboards, and reinforced DIN-rail mounting clips for robust installation.
A: Our dedicated team of low-voltage electrical engineers assists clients with short-circuit calculations, selectivity and coordination analysis, and cross-reference matching against traditional European brands to ensure seamless system integration.
Explore our comprehensive selection of Molded Case Circuit Breakers (MCCB), Residual Current Devices (RCCB/RCBO), and DC Solar Breakers.
Connect with our specialized export team today to receive detailed technical datasheets, CAD drawings, and factory-direct pricing for France and European destinations.
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