Precision-engineered low-voltage circuit protection devices customized for immediate deployment across Vietnam industrial parks and grid infrastructure.
As Vietnam rapidly emerges as the manufacturing epicenter of Southeast Asia, power infrastructure reliability has pivoted from a operational requirement to a strategic competitive metric. Modern industrial facilities in Bac Ninh, Binh Duong, and Hai Phong demand circuit breaking technology capable of handling high short-circuit fault levels while enduring harsh tropical conditions.
The MCCB DCOF1 Series stands at the nexus of advanced electrical engineering and low-voltage distribution. Engineered specifically for high-breaking capacity applications (up to 100kA at 415V AC and 1500V DC), the DCOF1 series incorporates state-of-the-art zero-arc technology, silver-alloy contacts, and thermodynamic trip units that eliminate false tripping caused by ambient heat spikes.
Vietnam’s National Power Development Plan VIII (PDP 8) targets ambitious decarbonization, grid modernization, and industrial automation. Deploying the correct MCCB architecture is critical to preventing costly factory down-times.
High-density manufacturing zones in Bac Ninh (VSIP), Binh Duong, and Dong Nai require stable secondary distribution panels. DCOF1 series MCCBs prevent cascade tripping during grid voltage fluctuations and heavy motor starting currents.
In central provinces like Ninh Thuan and Binh Thuan, commercial rooftop and ground-mounted solar installations demand high-DC voltage isolation. DCOF1-PV series operates reliably at up to 1500V DC without thermal degradation.
Coastal industrial nodes in Hai Phong and Da Nang present extreme humidity (>90%) and salt fog exposure. DCOF1 enclosures utilize specialized anti-corrosion coating and tropicalized anti-fungal internal insulation.
In-depth technical parameter matrix designed for panel builders, electrical engineers, and procurement directors in Vietnam.
| Feature / Specification | MCCB DCOF1 Standard | DCOF1/PV (DC Solar) | DCM1 Series | OFM1 Series |
|---|---|---|---|---|
| Rated Current (In) | 16A - 630A | 63A - 250A | 10A - 800A | 100A - 1250A |
| Rated Voltage (Ue) | 400V / 690V AC | 500V / 1000V / 1500V DC | 400V AC | 400V / 690V AC |
| Ultimate Breaking Capacity (Icu) | 35kA - 85kA | 20kA - 50kA | 25kA - 65kA | 50kA - 100kA |
| Service Breaking Capacity (Ics) | 100% Icu | 100% Icu | 75% Icu | 100% Icu |
| Trip Unit Technology | Thermal-Magnetic / Electronic | Pure DC Magnetic Arcing | Thermomagnetic | Microprocessor Electronic |
| Standard Compliance | IEC 60947-2, TCVN 6592-2 | IEC 60947-2, UL 489B | IEC 60947-2 | IEC 60947-2, CE |
| Operating Temperature | -5°C to +70°C (Derated >40°C) | -25°C to +70°C | -5°C to +60°C | -25°C to +70°C |
Rooted in Yueqing, Wenzhou—the Capital of Electrical Appliances in China—since 2013, Wenzhou OFA Electrical Technology Co., Ltd. is a premier global manufacturer of low-voltage distribution switchgear and control equipment.
With independent brands like "OFA", we provide end-to-end electrical protection solutions engineered for industrial automation, renewable energy, and utility power grids across over 50 countries.
By connecting the Yueqing low-voltage electrical cluster directly to Vietnam's expanding industrial hubs, OFA delivers unmatched supply chain resilience and cost efficiency.
Streamlined technical collaboration protocol designed for EPC contractors, system integrators, and industrial facility managers in Vietnam.
Comprehensive review of single-line diagrams (SLD), fault level calculations, and thermal derating factors specific to Vietnam job sites.
Selecting optimal frame sizes (125A, 250A, 630A), trip curves (C, D, electronic), and auxiliary accessories (shunt trips, undercut contactors).
Lean smart manufacturing with Factory Acceptance Testing (FAT) video verification and routine dielectric breakdown tests.
Fast-track customs clearing via FORM E (ACFTA tax exemption), providing complete IEC type test certificates and TCVN documentation.
Expert answers on MCCB DCOF1 deployment, technical standards, and procurement options for Vietnam buyers.
Full lineup of high-reliability circuit breakers and switchgear components engineered by Wenzhou OFA.
Beyond the MCCB DCOF1 series, OFA manufactures complete low-voltage equipment including MCB, ACB, RCCB, RCBO, and IS switch disconnector series.
Get direct manufacturer pricing, custom OEM configurations, and complete engineering support for MCCB DCOF1 Series products shipped fast to Vietnam.
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