Customized 12kv Vacuum Circuit Breaker for High Voltage Indoor Use

• 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 stands as an epitome of innovation, crafted for seamless integration with the KYN61-40.5(Z) switchgear. This state-of-the-art product embodies the pinnacle of advancements in power supply and distribution technology. Fully compliant with the GB1984-2003 standards, this versatile circuit breaker is available in a multitude of configurations including vacuum circuit breaker trucks, isolation trucks, and fuse trucks, making it indispensable for industrial facilities, power plants, and substations. It efficiently manages load currents, tackles overloads, and ensures robust short-circuit protection.

Structural Characteristics

1. Compact and Efficient Design:

   • This circuit breaker boasts a sophisticated compound insulation design that perfectly balances air clearance and creepage distance, even under standard operating conditions. This intelligent design diminishes the overall size of the VCB while maintaining an exceptionally sleek appearance.

2. Enhanced Operating Mechanism:

   • Meticulously engineered for the ZN85-40.5, the operating mechanism exudes reliability, offering a prolonged service life with minimal maintenance requirements. Its maintenance-free nature translates to reduced operational costs, enhancing overall economic efficiency.

3. User-Friendly Truck Mechanism:

   • Equipped with an innovative screw rod and nut push-in mechanism, the circuit breaker truck guarantees smooth and effortless insertion and removal from the panel. It is fortified with a mechanical interlock system adhering to the 'Five Preventions' safety standard, ensuring secure and reliable operation in even the most challenging environments.

Environmental Conditions for Application

• Temperature Range: -15ºC to +40ºC
• Altitude: Perfectly suited for altitudes up to 1000 meters. For installations exceeding this elevation, special requirements are available upon consultation.
• Humidity:
  • Daily average humidity: ≤95%
  • Monthly average humidity: ≤90%
• Saturated Vapor Pressure:
  • Daily average: ≤2.2 kPa
  • Monthly average: ≤1.8 kPa
• Seismic Resistance: Engineered to withstand seismic intensities up to 8 degrees with unwavering stability.
• Installation Environment: Ideally suited for environments devoid of fire hazards, explosion risks, substantial pollution, chemical corrosion, and intense vibrations.

Product Features

1. Innovative Extinguishing Chamber:

   • The ingeniously designed vacuum circuit breaker features an upper-positioned extinguishing chamber which simplifies maintenance and enhances operational efficiency. The strategic arrangement of its internal components allows for straightforward adjustments and troubleshooting.

2. Advanced Composite Insulation:

   • This circuit breaker incorporates a unique blend of air and organic insulation materials, resulting in a compact, lightweight design that boasts remarkable dielectric strength and unwavering reliability.

3. Versatile Vacuum Arcing Chamber:

   • The ZN85-40.5 is compatible with vacuum arcing chambers from esteemed manufacturers such as Cutler Hammer (USA) and ZD (domestic). Both options employ longitudinal magnetic field arc-extinguishing technology, ensuring efficient arc termination with minimal chopping current.

4. Low-Maintenance Spring Operating Mechanism:

   • Featuring a robust spring mechanism, the breaker is designed to perform up to 10,000 operations without the need for maintenance, delivering consistent performance and minimizing downtime.

5. Power-Efficient Screw Propulsion Mechanism:

   • Experience unparalleled smoothness and exceptional energy-effectiveness with our advanced screw propulsion system. This system ensures reliable self-locking capabilities, providing enhanced operational safety and stability that you can trust.

The ZN85-40.5 Indoor Vacuum Circuit Breaker stands as a remarkably robust and high-performance solution, specifically engineered to meet the dynamic demands of modern industrial power distribution. This breaker promises reliable protection, optimal efficiency, and ease of maintenance, making it the ideal choice for ensuring uninterrupted power flow.

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