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Help CenterCHINT NA1 AC/DC Breaker 4P 500A 50kA Breaking Capacity for Electrical Panels
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As an ISO9001-certified manufacturer with over US$1 million in annual exports, Jinhua Dika Electrical Equipment proudly presents the CHINT NA1 breaker – engineered for maximum safety in demanding electrical installations. This 4-pole solution delivers exceptional 50kA fault protection while handling 500A continuous loads across AC/DC systems. Serving global markets from North America to Oceania, our breakers undergo rigorous quality control to ensure reliability in commercial and industrial panels.
Core Technical Advantages:
- Dual Current Compatibility: Seamlessly operates in both AC and DC power distribution systems
- Ultra-High Breaking Capacity: Instantaneously interrupts 50,000A short-circuit currents
- Robust Thermal Design: Copper alloy contacts withstand 500A continuous current
- Multi-Pole Protection: 4P configuration ensures complete circuit isolation
| Parameter | Specification |
|---|---|
| Rated Insulation Voltage | 800V |
| Mechanical Life | 20,000 cycles |
| Terminal Connection | Dual-direction screw type |
| Operating Temperature | -25°C to +70°C |
The arc chute design incorporates deionization plates that rapidly extinguish faults, while the trip unit features precise magnetic-hydraulic calibration for consistent response times under overload conditions. Installation is simplified through front-mounted connection points compatible with standard busbar systems.
Frequently Asked Questions:
-
Q: Can this breaker handle solar DC applications?
A: Yes, its DC-rated design suits photovoltaic systems up to 750V DC. -
Q: What maintenance is required?
A: Our sealed mechanism requires only periodic thermal scanning under normal conditions. -
Q: Are accessories available?
A: Auxiliary contacts and shunt trips can be provided upon request. -
Q: What's the delivery lead time?
A: Standard orders ship within 15 days via Shanghai/Tianjin ports. -
Q: Is customization possible?
A: Custom ratings and special coatings are available for bulk orders. -
Q: How does it compare to other brands?
A: CHINT NA1 meets IEC 60947-2 standards with enhanced dielectric strength.
Trusted by clients across 14 global regions including Western Europe and North America, our Zhejiang-based facility leverages 50+ skilled technicians to maintain precision manufacturing. With ISO9001-certified processes and direct shipments from major Chinese ports, we guarantee breakers that reduce downtime in critical power distribution networks. Contact us today for volume pricing on these UL-recognized protection devices.
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