RJDBR

Double-Side Break Disconnector

Overview

High Voltage Double-Side Break Disconnector: Engineered for Space Efficiency and Performance

Our High Voltage Double-Side Break Disconnector, a standout in our product lineup, is specifically engineered for substations where limited space restricts phase spacing and vertical opening. Its unique design, featuring a horizontal rotating current path movement, ensures exceptional operational stability and efficiency, even in the most challenging electrical grid systems. It's optimally designed to handle high voltage levels, ensuring uninterrupted and safe power flow, ideal for high-capacity power transmission networks where space is at a premium.

Characteristics

  • Maximum Design Voltage:72.5 to 420 kV
  • Standard Operating Frequency: 50/60 Hz
  • Rated Current:3,150 Amperes (A)
  • Lightning-Impulse Withstand Voltage (BIL):450 to 1,550 kV

Key Features and Advantages

  • Maintenance-Free Bearings: Designed for longevity with no maintenance required, ensuring reliable and hassle-free performance.
  • Triple Insulator Configuration: Comprises three robust insulators, with the central insulator adept at rotating and conducting current for optimal support and efficiency.
  • Dynamic Turn and Twist Mechanism: The center insulator's innovative design allows for flexible and reliable operation, enhancing overall functionality.
  • Advanced Contact System: Features a sophisticated system for prolonged service life and minimal maintenance, ensuring reliable connections.
  • Efficient Open Separation Sections: Equipped with two distinct sections for secure and effective disconnection.
  • Compact and Durable Design: Its sturdy build withstands high mechanical tensile loads and is suitable for demanding environments.
  • Enhanced Contact Dynamics: Specially designed to increase contact force during short circuits, providing high dynamic and thermal stability.
  • Enhanced Silver-Plated Contacts: Features silver-plated contacts optimized for superior electrical conductivity and durability.
  • Lubrication-Free Solution: A maintenance-free design adds to its practicality and reliability.
  • Strict Compliance with Standards: Meets international standards like IEC and CFE, ensuring top quality and safety.

Certifications and Compliance

  • CFE V4200-12
  • NMX-J-102-ANCE
  • NMX-J-564-ANCE
  • IEC 62271-1
  • IEC 62271-102

Applications and Use Cases

  • Line Disconnection: Ideal for disconnecting power lines in distribution and transmission networks, ensuring operational safety and ease of maintenance.
  • Sectionalizing Electrical Lines: Perfect for dividing electrical systems for maintenance or fault isolation.
  • Substation Equipment Isolation: Efficiently separates components like circuit breakers and transformers, which is crucial for system integrity.
  • Equipment Bypass: Bypassing equipment provides flexibility and continuous power flow in substations.
  • Busbar Interconnection: Effectively used in bus tie positions for connecting busbars, enhancing system redundancy and flexibility.
  • Handling Line, Bus, and Cable Dropping: Capable of managing various dropping tasks when fitted with appropriate arcing horns.
  • Interrupting Magnetizing Currents: Suitable for interrupting magnetizing currents, an essential feature for specific applications.
Short Description (CFE)Rated Voltage kVBIL(Rated Lightning impulse withstand voltage kV)Rated current AShort circuit current kAPeak Current kA
DAL-630-3-1231236301250
1600
2000
2500
3150
31.5
40
50
81.9 / 104 / 130
DAL-750-3-145145750
DAL-860-3-170170860
DAL-1200-3-2452451200
DAL-1175-3-2451175
DAL-1425-3-4204201425
DAL-1550-3-4201550