Fkn12 Series Indoor Load Break Switch

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

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  • Fkn12 Series Indoor Load Break Switch
  • Fkn12 Series Indoor Load Break Switch
  • Fkn12 Series Indoor Load Break Switch
  • Fkn12 Series Indoor Load Break Switch
  • Fkn12 Series Indoor Load Break Switch
  • Fkn12 Series Indoor Load Break Switch
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  • Overview
  • Product Description
Overview

Basic Info.

Model NO.
FN16A Series Indoor Load Break Switch
Origin
Wenzhou China

Product Description

FN16A Series Indoor Load Break Switch

Product Description

Product Overview:
The FN16A Series Indoor Load Break Switch is widely adopted in medium-voltage (MV) installations due to its superior interrupting capabilities and its ability to withstand short-circuit currents, which are typically caused by faults in distribution networks. The FN16A series, particularly when combined with High Rupturing Capacity (HRC) fuses, is highly effective for protecting distribution transformers up to 1250 kVA.

Application Environment:
The FN16A series is designed for installation in compartmentalized switchboards, which are commonly used in medium-voltage power distribution systems. These switches are ideal for environments where reliable segregation between different compartments is required, such as in utility substations, industrial plants, and large commercial facilities.

Operating Conditions:

    1.    Voltage Range: Suitable for medium-voltage systems with operational voltage levels up to 12kV.
    2.    Temperature Range: Operates effectively within a temperature range of -5°C to +40°C.
    3.    Altitude: Suitable for installation at altitudes up to 1000 meters above sea level.
    4.    Humidity: Designed to function in environments with relative humidity levels up to 90%.
    5.    Pollution Level: Appropriate for use in pollution level II environments.

Usage Considerations:

    1.    Full Segregation: The FN16A series provides full segregation between the busbar compartment and the cable compartment, ensuring safety in both the "closed" and "open" positions of the switch disconnector.
    2.    Maintenance Accessibility: The moving contact, which is of the sliding vertical type, can be easily inspected and cleaned even when the bus-bars are live, and the earthing switch (ES) is closed, ensuring ease of maintenance and reduced downtime.
    3.    No Adjustment Needed: The tripping mechanism for the switch fuse combination and the ES is pre-adjusted and checked during the manufacturing process, requiring no further adjustment on-site. This enhances the reliability and safety of the system.
    4.    Transformer Protection: When equipped with HRC fuses, the FN16A series provides robust protection for distribution transformers, especially those up to 1250 kVA, making it an ideal choice for critical power distribution systems.

Key Features:

    •    Superior Interrupting Capability: Designed to handle short-circuit currents effectively, protecting the network from potential faults.
    •    Integrated Design: The switch fuse combination and ES are built as a single unit, providing a compact and efficient solution for MV installations.
    •    User-Friendly Maintenance: The design allows for easy inspection and maintenance, reducing operational costs and enhancing system reliability.
    •    Versatile Application: Suitable for a wide range of MV installations, including utility, industrial, and commercial power distribution networks.
 

Technical Specification
Rated voltage kV 12 24 36
Rated current A 630 630 630
Rated power frequency Hz 50/60 50/60 50/60
Short circuit making capacity kA Peak. 67 50 50
Peak withstand current kA Peak. 82 82 66
Short time current kA eff.      
1Sec.   31.5 31.5  
2Sec.   25 25 25
3Sec.   20 16  
Max. breaking capacity in co-operation with fuses IEC 62271-105
IEC 420 1990-11)
A 1600 900 300
Max. fuse current(XRNT Fuse) A 125 80 40
Power frequency withstand voltage 50Hz 1 min,:        
To earth and between poles kV 42 55 95
Across isolating distance kV 45 70 120
Impulse withstand voltage 1.2/50μs:        
To earth and between poles kV 75 125 190
Across isolating distance kV 85 145 220
Mechanism Endurance cycles 20000 2000 2000


Fkn12 Series Indoor Load Break Switch

Fkn12 Series Indoor Load Break SwitchFkn12 Series Indoor Load Break Switch
Fkn12 Series Indoor Load Break SwitchFkn12 Series Indoor Load Break Switch
 

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