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NUOMAK offers a complete lineup of Mitsubishi-style AC Moulded Case Circuit Breakers (AC MCCBs) engineered as reliable, cost-effective equivalents for low-voltage power distribution networks. Ranging from 32A to 800A frame currents in 3-pole and 4-pole configurations, our Mitsubishi-type MCCBs deliver dependable overload and short-circuit protection for commercial distribution panels, industrial switchboards, and motor control centers. Manufactured strictly to IEC/EN 60947-2 standards, NUOMAK provides distributors and panel builders with direct factory supply, competitive wholesale pricing, and custom OEM branding.
| ltem | Our Offer |
| MOQ | 1000 pcs |
| Sample | Free sample can be provided for bulk order |
| Leading Times | Sample 1-3 days;Bulk Order:30-60working days.depending on the qtys |
| Main Product | Safe and reliable molded case circuit breaker with intelligent design and built-in multiple function options |
| Customize Logo | Accept |
| Warranty | 1 year |
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When procuring Mitsubishi-compatible AC Moulded Case Circuit Breakers (AC MCCBs) for local market distribution or industrial switchgear assembly, B2B procurement managers must evaluate key technical specifications to ensure seamless physical/electrical replacement, high fault protection, and project profitability.
Frame Sizes & Current Ratings (In): Select frame currents ranging from 32A up to 800A to match specific circuit load requirements. Ensuring dimensional and mounting compatibility with standard Mitsubishi series simplifies cabinet panel design and field replacement.
Breaking Capacity (Icu/Ics) & kA Ratings: Evaluate ultimate short-circuit breaking capacity (Icu) and service breaking capacity (Ics) under 400V/415V conditions. High kAratings ensure the circuit breaker safely interrupts high fault currents without compromising upstream equipment.
Pole Configurations & Protection: Choose between 3-Pole (3P) configurations for standard three-phase power distribution or 4-Pole (4P) configurations where full neutral isolation is mandated. Units feature robust thermal-magnetic trip mechanisms for reliable inverse-time overload and instantaneous short-circuit protection.
NUOMAK Mitsubishi-style AC MCCBs are produced under strict ISO9001-certified manufacturing processes and fully comply with IEC/EN 60947-2 low-voltage switchgear standards. Every breaker undergoes 100% routine factory inspection—including dielectric withstand testing, thermal trip calibration, and mechanical endurance trials—ensuring smooth import customs clearance and code compliance across Europe, Southeast Asia, the Middle East, and Latin America.
Switchboard & Panelboard OEM Builders: Direct physical and functional replacement in Main Distribution Boards (MDBs) and Motor Control Centers (MCCs).
Industrial & Commercial Infrastructure: Protecting feeder lines, transformers, and heavy machinery in industrial manufacturing facilities and commercial real estate complexes.
Electrical Equipment Wholesale & Distribution: Serving regional contractors and dealers seeking high-quality, cost-effective alternatives to original brand breakers.
Yes. NUOMAK Mitsubishi-style AC MCCBs are engineered to match standard dimensional footprints, busbar terminal locations, and electrical protection curves of common Mitsubishi-type series. They serve as cost-effective, high-quality OEM alternatives for panel builders and maintenance contractors without requiring cabinet modification.
NUOMAK offers comprehensive OEM/ODM customization for regional distributors and brand owners. Customization options include custom brand laser engraving, private label housing/handle colors, customized product nameplates, tailored packaging, and factory-fitted accessories such as Shunt Trip Coils, Undervoltage Releases, and Auxiliary Contacts.
For standard stock configurations, our Minimum Order Quantity (MOQ) starts as low as 20 to 50 units per frame size to support trial orders and sample testing. For custom OEM branded orders, the MOQ is typically 100 to 300 units depending on customization requirements. Standard production lead times are 15 to 25 days, with expedited shipping available for urgent project demands.
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