Indoor High Voltage Circuit Breaker Interrupters for Custom Applications

• Customization: Available
• Breaking Capacity: 10kv /11kv /12kv/ 24kv/33kv/40.5
• Operation: Manual/Electric /Energy-Storage
• Model NO.: Zn85-40.5kv
• Speed: According to Customer Requirements
• Arc-extinguishing Medium: According to Customer Requirements
• Installation: Fixed/Insert
• Structure: Insert
• Poles Number: 3
• Type: Circuit Breaker
• Function: Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection), RCCB
• Certification: ISO9001-2000, CE, CQC
• Customizable: OEM/According to Customer Requirements
• Transport Package: Standard Shipping Packing
• Specification: 310*681*638mm
• Trademark: CHBEB
• Origin: China
• HS Code: 8535210000
• Production Capacity: 2000/Month

Product Description

Product Description

General Description

The ZN85-40.5/T Indoor High Voltage Vacuum Circuit Breaker is a pinnacle of engineering, crafted for seamless integration with the advanced KYN61-40.5(Z) switchgear. This cutting-edge solution epitomizes the forefront of power supply and distribution technology. Proudly adhering to the stringent GB1984-2003 standard, it offers a diverse range of configurations, including vacuum circuit breaker trucks, isolation trucks, and fuse trucks. Designed specifically for industrial facilities, power plants, and substations, it excels in managing load current, overloads, and short-circuit protection, ensuring robust and reliable performance.

Structural Characteristics

1. Compact and Efficient Design:

   • Boasting a sophisticated compound insulation design, this circuit breaker adheres to the highest standards of air clearance and creepage distance under typical conditions. This strategic engineering minimizes the VCB's dimensions while maintaining a sleek and polished exterior that enhances any infrastructure.

2. Enhanced Operating Mechanism:

   • Meticulously engineered for the ZN85-40.5, this operating mechanism is synonymous with reliability. It offers a remarkable service lifespan with negligible maintenance, translating to reduced operational expenses and uninterrupted efficiency.

3. User-Friendly Truck Mechanism:

   • Equipped with an innovative screw rod and nut push-in mechanism, the circuit breaker truck allows effortless insertion and removal from the panel. The integration of a state-of-the-art mechanical interlock system, compliant with the "Five Preventions" safety standard, ensures secure and dependable operation, even in challenging environments.

Environmental Conditions for Application

• Temperature Range: -15ºC to +40ºC, providing versatile functionality across diverse climates.
• Altitude: Optimized for altitudes reaching up to 1000 meters. For installations exceeding this elevation, specialized guidance is recommended.
• Humidity:
  • Daily average humidity: ≤95%, ensuring stability.
  • Monthly average humidity: ≤90%
• Saturated Vapor Pressure:
  • Daily average: ≤2.2 kPa, maintaining optimal performance.
  • Monthly average: ≤1.8 kPa
• Seismic Resistance: Engineered to withstand seismic intensities up to 8 degrees, offering unparalleled durability.
• Installation Environment: Tailored for environments devoid of fire, explosion, severe pollution, chemical corrosion, and excessive vibration, providing unmatched safety and reliability.

Product Features

1. Innovative Extinguishing Chamber:

   • This vacuum circuit breaker features an ingeniously designed upper-positioned extinguishing chamber, significantly enhancing maintenance and operational ease. Its thoughtful internal component layout ensures hassle-free adjustments and troubleshooting.

2. Advanced Composite Insulation:

   • By harnessing the power of air and organic insulation materials, this breaker is both compact and lightweight, offering superior dielectric strength and steadfast reliability.

3. Versatile Vacuum Arcing Chamber:

   • Available with vacuum arcing chambers from trusted brands like Cutler Hammer (USA) and ZD (domestic), the ZN85-40.5 employs advanced longitudinal magnetic field arc-extinguishing technology. This ensures exceptional arc interruption capabilities with minimal chopping current, setting a new standard for performance.

4. Low-Maintenance Spring Operating Mechanism:

   • With an impressive spring mechanism, this breaker delivers up to 10,000 hassle-free operations, eliminating the need for frequent maintenance. It guarantees unwavering performance and minimizes downtime, making it a dependable choice for enduring efficiency.

5. Innovative and Power-Efficient Screw Propulsion Mechanism:

   • This state-of-the-art screw propulsion system ensures a seamless and energy-conscious operation. Equipped with reliable self-locking features, it significantly boosts operational safety and stability, setting a new standard for modern engineering excellence.

The ZN85-40.5 Indoor Vacuum Circuit Breaker represents a formidable, high-performance solution expertly designed to meet the demands of contemporary industrial power distribution. It offers unwavering protection, superb operational efficiency, and straightforward maintenance, embodying the pinnacle of technological advancement for today's dynamic power needs.

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