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Jinhua Dika Electrical Equipment Co., Ltd., a reputable ISO9001-certified manufacturer based in Zhejiang, China, proudly presents the ZW20 Smart Circuit Breaker. Engineered for demanding medium-voltage applications, this 10kV, 630A breaker with a 20kA breaking capacity integrates cutting-edge intelligence for enhanced grid reliability and operational efficiency. Backed by our extensive experience supplying global markets and a robust 5-year warranty, the ZW20 delivers superior protection and control for modern power distribution networks.
This advanced circuit breaker combines robust mechanical design with sophisticated digital capabilities, offering significant advantages:
- Intelligent Operation & Monitoring: Enables real-time status monitoring (current, voltage, switch position), fault recording, and remote operation commands via communication interfaces (e.g., RS485, optional Ethernet), facilitating predictive maintenance and reducing downtime.
- Enhanced Reliability with Vacuum Interruption: Utilizes a vacuum interrupter chamber, ensuring excellent dielectric recovery, minimal maintenance requirements, and a long electrical life, even under frequent switching conditions.
- Robust Mechanical Design: Features a sealed, maintenance-free operating mechanism with spring energy storage, providing reliable and fast opening/closing operations independent of manual power.
- Comprehensive Protection Functions: Integrates over-current, short-circuit, earth fault (optional), and other protection functions, safeguarding equipment and personnel effectively.
- Versatile Mounting & Application: Suitable for various applications including ring main units (RMUs), switchgear panels, transformer substations, industrial plants, mining, and renewable energy integration in distribution networks.
- User-Friendly Interface: Equipped with a local LCD/HMI for parameter setting, status display, and manual control, simplifying operation and diagnostics on-site.
Key Technical Specifications:
| Parameter | Value |
| Rated Voltage (Ur) | 10kV |
| Rated Current (Ir) | 630A |
| Rated Short-Circuit Breaking Capacity (Icn) | 20kA |
| Rated Frequency | 50/60Hz |
| Insulation Level | Power Frequency: 42kV/1min; Impulse: 75kV |
| Mechanical Life | > 10,000 operations |
| Electrical Life (Full Current) | > 5,000 operations |
| Operating Mechanism | Spring Energy Storage (Motor Charged) |
| Communication Protocol | Modbus RTU (Standard), Others optional |
Choosing the Dika ZW20 Smart Circuit Breaker translates into tangible benefits for your operations: reduced operational costs through minimized maintenance and downtime, enhanced safety via advanced protection and remote control, improved grid stability with reliable fault interruption, and future-proof infrastructure ready for smart grid integration.
As an established manufacturer exporting over US$1 Million annually to diverse markets including North America, South America, Europe, Asia, Africa, and Oceania, Jinhua Dika Electrical leverages its expertise and stringent ISO9001 quality management to deliver products you can trust. We ship reliably from major Chinese ports like Shanghai, Tianjin, Guangzhou, and Ningbo. Our commitment extends beyond the sale with comprehensive 5-year warranty coverage and dedicated technical support, ensuring your ZW20 Smart Circuit Breaker performs optimally throughout its lifespan. Partner with Dika for reliable, intelligent medium-voltage protection solutions. Contact us today for detailed specifications, competitive pricing, or to discuss your specific project requirements.
Frequently Asked Questions (FAQ):
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Q: What does the 'Smart' functionality include?
A: The 'Smart' features enable real-time monitoring of electrical parameters (current, voltage), switch position status, fault records, and allow for remote opening/closing commands via communication protocols like Modbus RTU, facilitating SCADA integration. -
Q: Is the 5-year warranty comprehensive?
A: The warranty covers manufacturing defects in materials and workmanship under normal use and service conditions for 5 years from shipment. It excludes consumables, damage from misuse, improper installation, or acts beyond our control. Detailed terms are available. -
Q: What technical support is provided?
A: We offer pre-sales technical consultation, installation guidance documentation, operation manuals, and post-sales support for troubleshooting via email or our technical team. On-site support may be available upon request. -
Q: Are specific certifications like CE or UL available?
A> Our manufacturing process is ISO9001 certified. Specific product certifications (e.g., CE, UL, ANSI) can be discussed based on target market requirements and project specifications. -
Q: How is the breaker controlled?
A> It features a spring-operated mechanism charged by an internal motor. Control options include local manual operation (buttons/lever), remote electrical control via auxiliary contacts, and remote commands via the smart communication interface. -
Q: Can it be integrated into existing switchgear?
A> The ZW20 is designed as a withdrawable unit compatible with standard RMU and switchgear cubicles. Dimensions and interface details should be verified against your specific panel design for seamless integration. -
Q: What is the typical delivery time?
A> Standard models typically have a lead time of 4-6 weeks ex-works. This can vary based on order volume, customization requirements, and current production schedule. We provide accurate timelines upon order confirmation. -
Q: Are custom configurations possible?
A> Yes, we offer flexibility. Parameters like specific CT ratios, communication protocols (beyond Modbus RTU), auxiliary contact configurations, or special voltage ratings can often be customized. Please inquire with your specific needs.
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