Home / Product / High And Low Voltage Cabinet / High Voltage Switchgear / KYN61-40.5 Armored Metal Enclosed Switchgear

KYN61-40.5 Armored Metal Enclosed Switchgear

KYN61-40.5 Armored Metal Enclosed Switchgear

KYN61-40.5 Armored Metal Enclosed Switchgear

The Armored Metal Enclosed Switchgear is a highly reliable and technically advanced power distribution solution designed for enhanced safety and operational efficiency. With a robust structure and integrated protection mechanisms, this switchgear ensures smooth and secure power distribution across various industrial and commercial applications.

Specification

Switchgear technical parameters

Item  Units  Parameters 
Rated voltage  KV  40.5
Rated insulation level  1min industrial frequency withstand voltage  KV  95 (isolation break 115) 
Lightning impulse withstand voltage (peak) KV  185 (isolation break 115) 
Rated frequency  Hz  50
Main busbar rated current  A  630~2500 3150※ 
Rated short-circuit breaking current  A  31.5
Rated short-time withstand current (4s)  KA  25
Rated peak withstand current  kA  31.5
Auxiliary control circuit rated V 25
※forced air cooling

ZN85-40.5 vacuum circuit breaker technical parameters

Item  Units  Parameters 
Rated voltage  KV 40.5
Rated insulation level  1min industrial frequency withstand voltage  KV 95 (isolation break 115) 
Lightning impulse withstand voltage (peak) KV 185 (isolation break 115) 
Rated frequency  Hz 50
Rated current  A 630, 1000, 1250, 1600  1250、1600、2000、2500、3150※
Rated short-circuit breaking current  A 25 31.5
Rated short-time withstand current (4s)  kA 25 31.5
Rated peak withstand current  kA 63 80
Rated sequence of operation  Minute (O) - 0.3s - Combined Minute (CO) - 180s - Combined Minute (CO) 
Rated short-circuit breaking current number of openings  Times  20
Rated cable charging opening current  A  25
Rated capacitor bank opening current  A  400
Capacitive current opening and closing performance  level  C2 
Closing time  ms  40~100 
Opening time  ms  30-60 
Mechanical lifetime times 10000
※forced air cooling

VD4 series vacuum circuit breaker technical parameters

Item  Units  Parameters 
Rated voltage  KV 40.5
Rated insulation level  1min industrial frequency withstand voltage  KV 95 (isolation break 115) 
Lightning impulse withstand voltage (peak) KV 185 (isolation break 115) 
Rated frequency  Hz 50
Rated current  A 1250, 1600, 2000, 2500, 3150※
Rated short-circuit breaking current  A 31.5
※forced air cooling

VD4 series vacuum circuit breaker technical parameters

Item  Unit  Parameters 
Rated short-time withstand current (4s)  KA  31.5
Rated peak withstand current  KA  80
Rated operating sequence  min(O)-0.3s-combine min(CO)-180s-combine min(CO) 
Closing time  ms 55~67 
Opening time  ms 33~45 
Arc-firing time  ms <15 
Opening time ms 48~60
※forced air cooling

Description

Key Features and Advantages

Comprehensive Safety Mechanisms
The Armored Metal Enclosed Switchgear incorporates multiple safety features to prevent misoperation. These include:
- Prevention of Moving the Circuit Breaker Under Load: Ensures operational stability and prevents system failures.
- Prevention of Energizing the Grounding Switch: Avoids electrical hazards by ensuring proper switching sequences.
- Prevention of Entering Live Compartments: Protects personnel by restricting access to live areas.

These features significantly enhance the safety of operations, reducing risks associated with human errors and improving long-term reliability.

good Circuit Breaker Compatibility
The Armored Metal Enclosed Switchgear is designed to accommodate high-performance vacuum circuit breakers such as:
- ZN85 and VN1 Vacuum Circuit Breakers
- ABB VD4 and HD4 Series Vacuum Circuit Breakers

These circuit breakers provide good arc-extinguishing capabilities, ensuring efficient fault protection and reducing maintenance needs. The integration of advanced circuit breakers enhances the switchgear’s overall durability and performance.

Robust and Modular Construction
The Armored Metal Enclosed Switchgear features an all-assembled structure with the following benefits:
- Aluminum-zinc coated steel panels ensure high durability and corrosion resistance.
- CNC-machined components guarantee precision and structural stability.
- Bolted or riveted assembly provides flexibility for future upgrades or maintenance without compromising structural integrity.

This modular design enhances ease of installation and adaptability in diverse power distribution environments.

Optimized Space Utilization
The Armored Metal Enclosed Switchgear provides ample space in the cable compartment, ensuring:
- Sufficient air clearance of over 300mm between phases to improve insulation and prevent short circuits.
- No need for additional insulating barriers between phases, simplifying the internal structure and maintenance processes.

This design feature optimizes spatial efficiency while maintaining high safety standards.

Operational Conditions
The Armored Metal Enclosed Switchgear is designed for reliable operation in various environmental conditions, including:
- Ambient Temperature: -25°C to +40°C
- Altitude: Up to 1000m above sea level
- Relative Humidity: Daily average ≤95%; Monthly average ≤90%
- Installation Environment: Free from explosive gases, severe contamination, and strong vibrations

These conditions make it suitable for a wide range of industrial and commercial power distribution needs.

Customization and Special Requirements
For applications exceeding standard operating conditions, the Armored Metal Enclosed Switchgear can be customized. Possible modifications include:
- Additional ventilation systems to manage heat dissipation.
- Integrated heating elements to prevent condensation in standby mode.
- Enhanced insulation options for special environmental conditions.

These customizable options allow the switchgear to perform reliably even in harsh environments, ensuring long-term efficiency.

The Armored Metal Enclosed Switchgear stands out as a reliable, safe, and adaptable power distribution solution. With its advanced safety mechanisms, compatibility with high-performance circuit breakers, and robust modular design, it meets the demands of modern electrical networks. Whether for industrial or commercial applications, this switchgear provides a secure and efficient solution for power distribution needs.

Zhejiang NENA Electric Co., Ltd.
Zhejiang NENA Electric Co., Ltd.

The company is located in Shuguang Industrial Zone, Weng Town, Yueqing City, the "China Electrical Capital". The main products include complete high- and low-voltage sets of cabinets, intelligent soft start series, inverters, auto-coupling pressure-reducing starter cabinets, star-delta starter cabinets, QZB transformers, AC contactors, etc. The company's products have won unanimous praise from customers at home and abroad for their excellent performance, stable quality, and professional after-sales service. It has a high reputation in the market and a high reputation among peers.

  • 0
    Establishment

    Founded in 1992, NENA has 33 years of experience in the industry.

  • 0+
    Current Employee

    We have more than 300 employees, including 52 technical R&D personnel.

  • 0+
    Happy Clients

    There are more than 1,000 cooperative customers around the world.

Certificate Of Honor
  • 2020 Assured Consumer Unit
  • Excellent Enterprise
  • Specialised, Specialised And New SMES
  • Autocoupled Reduced Voltage Starter Cabinet JZ1-22
  • Autocoupled Reduced Voltage Starter Cabinet JZ1-40
  • Star Delta Starter QX4-75
  • Autocoupled Reduced Voltage Starter Cabinet JZ1-40
  • Autocoupled Reduced Voltage Starter Cabinet JZ1-135
News
Message Feedback