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Help CenterChint NXA2000A Frame Circuit Breaker 2000A Drawer Type for Industrial Power Distribution
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As Jinhua Dika Electrical Equipment Co., Ltd., a dedicated ISO9001 certified manufacturer with a strong export presence shipping globally from key ports like Shanghai and Tianjin, we proudly present the Chint NXA2000A Frame Circuit Breaker. Engineered for demanding industrial environments, this 2000A drawer-type breaker provides a robust and reliable solution for protecting critical power distribution networks. Our extensive reach across North America, South America, Europe, Asia, Africa, and Oceania underscores our commitment to delivering quality power management components that meet international standards. Trust in our expertise to safeguard your operations with superior electrical protection.
The Chint NXA2000A is designed to handle the rigorous power demands of modern industrial facilities. Its high breaking capacity ensures critical circuit protection against overloads and short circuits, minimizing downtime and equipment damage. The drawer-type design is a key advantage, offering:
- Enhanced Safety: Isolate and withdraw the breaker from the busbar without direct contact, significantly reducing arc flash risks during maintenance.
- Efficient Maintenance & Replacement: Swiftly swap out units for servicing or upgrades, minimizing system downtime.
- Clear Status Indication: Visual indicators clearly show the breaker's position (Connected, Test, Disconnected, Withdrawn).
Key technical specifications include:
| Rated Operational Voltage (Ue) | 690V AC |
| Rated Insulation Voltage (Ui) | 1000V AC |
| Rated Ultimate Short-Circuit Breaking Capacity (Icu) | Up to 100kA (Customizable) |
| Rated Service Short-Circuit Breaking Capacity (Ics) | Up to 100% Icu |
| Mechanical Life | 20,000 operations |
| Electrical Life | 5,000 operations at rated current |
| Protection Functions | Overload (L), Short-circuit (S/I), Ground fault (G) (Depending on release) |
Advanced features like motorized operation (optional) allow for remote control, enhancing operational flexibility and safety. Comprehensive electronic trip units provide precise protection settings and monitoring capabilities, including:
- Adjustable long-time delay (Ir, Tr)
- Adjustable short-time delay (Isd, Tsd)
- Adjustable instantaneous protection (Ii)
- Adjustable ground-fault protection (Ig, Tg)
- Load monitoring and alarm functions
Backed by Jinhua Dika's proven manufacturing capabilities and a global footprint serving diverse markets from Eastern Europe to Oceania, the Chint NXA2000A offers a dependable and high-performance solution. Our annual export value exceeding US$1 million reflects consistent quality and customer satisfaction. This ISO9001 certified breaker delivers the robust protection, operational efficiency, and safety essential for industrial power distribution. Contact us today to discuss how this drawer-type circuit breaker can optimize the reliability and safety of your electrical infrastructure. We are ready to support your project requirements with our expertise.
FAQ:
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Q: What is the main advantage of a drawer-type circuit breaker like the NXA2000A?
A: The primary advantage is enhanced safety during maintenance. The breaker can be safely isolated and physically withdrawn from the live busbars, significantly reducing the risk of arc flash incidents compared to fixed-mounted breakers. -
Q: Can this breaker be used in both new installations and as a replacement?
A: Yes, the Chint NXA2000A is designed for integration into new switchboards and is often suitable as a retrofit replacement for older frame breakers, depending on the specific panel dimensions and requirements. -
Q: What types of releases are available for the NXA2000A?
A> It supports various electronic trip releases (ETUs) offering comprehensive protection functions (L, S, I, G) with adjustable settings. The specific ETU model dictates the available features and communication options. -
Q: Is motorized operation standard?
A> Motorized operation for remote open/close commands is typically an optional feature. Manual operation is standard. Please specify your requirement for motorization when inquiring. -
Q: What communication protocols are supported?
A> Depending on the specific electronic trip unit selected, communication protocols like Modbus RTU or Profibus DP may be available for integration into SCADA or BMS systems. Confirm protocol needs during configuration. -
Q: Does Jinhua Dika provide technical support for installation?
A> Yes, as the manufacturer, we offer technical documentation and can provide support for installation and commissioning guidance. Specific on-site support can be arranged upon request. -
Q: Are spare parts readily available?
A> Yes, being a core Chint product and manufactured by us, we maintain stock of essential spare parts like contacts, coils, and accessories to ensure long-term supportability. -
Q: What certifications does this specific breaker hold besides ISO9001?
A> The Chint NXA2000A typically conforms to relevant IEC standards (e.g., IEC 60947-2). Specific regional certifications (e.g., CCC, UL, CE) depend on the exact configuration and target market. Please specify your required certifications for confirmation.
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