描述
ABN 404C 4P 250/300/350/400A: 1:1 Direct Replacement for Original Equipment, Full Compatibility
Our ABN 404C 4P 250/300/350/400A molded case circuit breaker (MCCB) is manufactured in strict compliance with the IEC 60947-2 international standard (formerly IEC 947-2). Featuring a 4-pole design and adjustable rated current (250A/300A/350A/400A), this ABN 404C MCCB serves as a perfect drop-in substitute for the original model of the same type. With identical installation dimensions, wiring methods, and protection characteristics, it requires no cabinet modification and enables seamless direct replacement.
✅ Core Performance Parameters: ABN 404C 250-400A for Full-Scale Industrial Power Distribution
As a high-performance ABN 404C 4P molded case circuit breaker, it delivers reliable protection for all industrial and commercial power distribution scenarios:
- Frame Grade: 400AF, suitable for three-phase four-wire power distribution systems
- Rated Operating Voltage: AC 690V / DC 500V, covering most industrial and commercial power distribution scenarios
- Breaking Capacity: Up to 100kA (Ultimate Breaking Capacity, Icu) at AC 380V, with 50% Icu as the Service Breaking Capacity (Ics), ensuring reliable protection against short-circuit faults
- Tripping Characteristic: C-type thermal-magnetic tripping with inverse-time overcurrent protection and instantaneous short-circuit protection, accurately meeting the protection requirements of power distribution lines
- Insulation & Impulse Withstand Voltage: Rated Insulation Voltage (Ui) = 750V AC, Rated Impulse Withstand Voltage (Uimp) = 8kV, anti-interference, surge-resistant, and stable operation
- Service Life: Mechanical life ≥25,000 cycles, electrical life ≥10,000 cycles, durable for long-term use
✅ Why Choose Our ABN 404C 4P 250/300/350/400A Alternative?
1. Significant Cost Reduction & Maximum Cost-Effectiveness
This ABN 404C 4P MCCB offers identical specifications and performance at a much lower price than original genuine products, helping you substantially cut procurement costs without compromising safety and reliability.
2. Compliance & Safety Assurance
Strictly manufactured to the IEC 60947-2 international standard, passing full type tests, and meeting the safety requirements of global power distribution systems.
3. Full-Scale Compatibility
Supports fixed/insert installation and can be equipped with the same original accessories as the original model (such as shunt trip, auxiliary contacts, undervoltage trip), ensuring excellent expandability.
4. In-Stock Fast Delivery & After-Sales Support
Sufficient inventory, rapid delivery, and professional technical teams providing full-process support for selection, installation, and after-sales service.
✅ Application Scenarios for ABN 404C 4P 250/300/350/400A MCCB
This ABN 404C molded case circuit breaker is ideal for industrial workshop power distribution, commercial complex power distribution, data center power distribution, PV/storage systems, charging pile power distribution, and various power distribution scenarios requiring 400A-grade molded case circuit breaker protection.
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