Zn73-12~24kv Series Permanent Magentic Vacuum Circuit Breaker

Product Details
Customization: Available
Transport Package: Fumigation Wooden Box
Trademark: YQALT
Gold Member Since 2023

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  • Zn73-12~24kv Series Permanent Magentic Vacuum Circuit Breaker
  • Zn73-12~24kv Series Permanent Magentic Vacuum Circuit Breaker
  • Zn73-12~24kv Series Permanent Magentic Vacuum Circuit Breaker
  • Zn73-12~24kv Series Permanent Magentic Vacuum Circuit Breaker
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  • Overview
  • Product Description
Overview

Basic Info.

Model NO.
ZN73-12~24kV Series Permanent Magentic

Product Description

ZN73-12~24kV Series Permanent Magentic Vacuum Circuit Breaker

Product Description

Product Overview:
This Vacuum Circuit Breaker utilizes a permanent magnetic mechanism for its operation and is designed for power systems with a rated voltage of 12kV, a rated frequency of 50Hz, and a rated current ranging from 630A to 3150A. It has a short circuit current capability between 16kA and 40kA. The circuit breaker can be directly installed in KYN28 switch cabinets without any modification.

Key Features:

    1.    Advanced Technology Integration:
This product combines several advanced technologies, including vacuum, magnetic, and intelligent control, making it a highly efficient and reliable circuit breaker. It builds upon the strengths of the ZN73 type indoor vacuum circuit breaker while adding additional innovations for improved performance.
    2.    Permanent Magnetic Mechanism:
By utilizing high-performance permanent magnetic materials and sophisticated microcomputer-designed control technology, the breaker achieves precise control over the permanent magnetic coil. This enables an optimized opening and closing curve, providing smooth operations and reducing mechanical collisions. This results in a longer service life for the internal components.
    3.    No Need for Adjustments:
The intelligent design ensures that mechanical collisions between the dynamic and static conductive rods are minimized, which prevents the deformation of the mechanism over time. This eliminates the need for frequent maintenance or adjustments, even with frequent operation.
    4.    Long Service Life:
The product offers a long service life of up to 20 years under normal operating conditions. Unlike traditional circuit breakers, it requires no maintenance or adjustments when operating under normal load currents, making it highly reliable and cost-effective.
    5.    Direct Installation in KYN28 Cabinets:
This circuit breaker can be easily installed in KYN28 switch cabinets without any modifications, providing convenience and flexibility for users.

Technical Features:

    •    Rated Voltage: 12kV
    •    Rated Frequency: 50Hz
    •    Rated Current: 630A-3150A
    •    Short Circuit Current: 16kA-40kA
    •    Advanced Control Technology: Allows for smooth operation with reduced mechanical stress, ensuring a longer service life.
    •    Soft Landing Mechanism: Reduces wear and tear, minimizing the mechanical collision during opening and closing operations.

Applications:

    •    Power Distribution Systems: Suitable for medium voltage power distribution in industrial, commercial, and utility settings.
    •    Switchgear Integration: Specifically designed for use in KYN28 switch cabinets without requiring modifications.
    •    Frequent Operation Environments: Ideal for applications where frequent switching is required, thanks to its long-lasting and maintenance-free operation.

Advantages:

    •    Enhanced Durability: The permanent magnetic mechanism and reduced mechanical collision greatly extend the lifespan of the breaker.
    •    Maintenance-Free: No maintenance or adjustments are needed during normal operations, saving both time and cost.
    •    High Reliability: The breaker is designed to handle frequent operations, making it suitable for demanding environments.

Precautions:

    1.    Professional Installation Required: The breaker should be installed by qualified personnel to ensure proper operation.
    2.    Regular Inspection: While the breaker requires no maintenance during normal operations, periodic inspections should be conducted to ensure optimal performance.
    3.    Environmental Conditions: Ensure that the operating environment meets the specified conditions for voltage, frequency, and current to avoid potential malfunctions.

This Vacuum Circuit Breaker with permanent magnetic technology offers unmatched reliability, long service life, and advanced control capabilities, making it an ideal choice for modern power distribution systems.
 

Technical Specification
Rated Volt kV 12
Rated Frequency Hz 50
Rated Insulation Level 1min Power Frequncy Withstand Volt kA 42/48To Earth/Between Phase
Peak Lightning Impulse Withstand Volt 75/85To Earth/Between Phase
Rated Breaking Current kA 20 25 31.5 40
Rated Current A 630 630 1250  1600 1250  1600
1250 1250 2000  2500 2000  2500
Rated Short Time Withstand Current A 20 25 31.5 40
Rated Peak withstand Current 50 63 80 100
Rated Short Circuit Breaking Current 50 63 80 100
Rated Continous Time Under Short Circuit Current S  
Mechanical Life Times 4
Secondary Power Frequncy Withstand Volt(1 min) V 20000
Rated Operating Sequence   0-0.3s-C0-180s-C0

Zn73-12~24kv Series Permanent Magentic Vacuum Circuit Breaker

Zn73-12~24kv Series Permanent Magentic Vacuum Circuit BreakerZn73-12~24kv Series Permanent Magentic Vacuum Circuit Breaker
Zn73-12~24kv Series Permanent Magentic Vacuum Circuit BreakerZn73-12~24kv Series Permanent Magentic Vacuum Circuit Breaker
 

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