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Automatic Recloser

The BOTK Type Automatic Vacuum Recloser is a high-performance, fully type-tested solution certified by CESI Laboratories. Designed to deliver reliable and maintenance-free operation, the recloser is available for voltage levels up to 38kV and features integrated 800A/1A current transformers and voltage sensors.

Key Features:

  1. Insulation Material:
    • Manufactured using Hydrophobic Cycloaliphatic Epoxy (HCEP), ensuring excellent durability and insulation performance.
    • Vacuum interrupters are seamlessly embedded within HCEP poles along with current and voltage sensors.
  2. Operating Mechanism:
    • Equipped with a magnetic actuator mechanism, offering dependable and maintenance-free functionality.
    • Includes a manual tripping handle for convenient recloser operation when needed.
  3. Control Unit:
    • Integrated with a protection relay and advanced electronic control devices.
    • Supports a wide range of communication protocols, including:
      • IEC 60870-5-101/103
      • IEC 61850 with GOOSE
      • Modbus RTU/TCP

This combination of advanced materials, robust mechanisms, and versatile communication capabilities makes the BOTK Type Automatic Vacuum Recloser an ideal solution for modern electrical networks.

MAIN CHARACTERISTICS

Compliance and Standards:

  • IEEE C37.60
  • IEC 62271-111

Electrical Characteristics:

  • Interrupting Medium: Vacuum
  • Rated Voltage: 38 kV
  • Operating Voltage: 36 kV
  • Rated Continuous Current: 800 A
  • Rated Frequency: 50/60 Hz
  • Rated Short-Circuit Interrupting Current: 16 kA
  • Operating Sequence: O-0.5s-CO-2s-CO-2s-CO
  • Rated Making Current (kApeak): 41.6 kA
  • Rated Short-Time Withstand Current: 16 kA for 3 seconds

Interruption Capacities:

  • Cable Charging Interrupting Current: 40 A
  • Line Charging Interrupting Current: 5 A

Withstand Voltage Ratings:

  • Lightning Impulse Withstand Voltage: 170 kV
  • Power Frequency Withstand Voltage (Dry): 70 kV
  • Power Frequency Withstand Voltage (Wet): 70 kV

Operational Characteristics:

  • Minimum Tripping Current: 40 A
  • Mechanical Endurance: 30,000 operations

Environmental and Mechanical Details:

  • Degree of Protection (Recloser): IP56
  • Degree of Protection (Control Unit): IP54
  • Altitude: Up to 1000 meters
  • Operating Temperature Range: -40°C to +55°C
  • Ice Coating Class: Class 20
  • Operating Mechanism: Magnetic Drive

Do not hesitate to contact us, we will be more than delighted to answer all your questions.

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Tank

Advantages of HCEP Encapsulation:

  1. Environmentally Friendly

    • SF6-Free: No use of sulfur hexafluoride, reducing environmental impact.
    • Oil-Free: Eliminates oil-related environmental concerns.

  2. Proven Outdoor Performance

    • Tested and reliable for extended outdoor use in challenging conditions.

  3. Compact and Lightweight

    • Designed for easy transportation and installation without compromising durability.

  4. Superior Electrical Properties

    • Exceptional surface arc tracking resistance, reducing the risk of flashovers.
    • Excellent hydrophobicity, ensuring water repellency even in humid environments.

  5. Moisture and UV Resistance

    • Highly resistant to moisture absorption, ensuring long-term reliability.
    • Outstanding ultraviolet resistance, protecting against degradation from sun exposure.

  6. Mechanical Strength

    • Exceptional tensile characteristics, providing robust structural integrity.
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Relay

The Magnetic Actuator is a cutting-edge mechanism that enhances the reliability and efficiency of modern electrical devices. Its design eliminates traditional mechanical components, offering several key advantages.

Advantages of the Magnetic Actuator:

  1. Enhanced Reliability

    • Elimination of Mechanical Latches: Removes the need for latches and associated linkages, ensuring reliable and trouble-free operation.

  2. Maintenance-Free Operation

    • Fewer Moving Parts: The dramatic reduction in moving components significantly minimizes wear and tear.
    • No Lubrication or Adjustments Required: Operates without the need for regular maintenance or complex adjustments.

  3. Compact and Lightweight

    • Designed to be compact and space-efficient, requiring minimal mounting space for easy installation.

  4. Simple and Robust Design

    • The straightforward design ensures durability and ease of integration into various systems.

  5. Long Operational Life

    • Rated for up to 10,000 full-load operations, making it a highly durable solution.

The magnetic actuator’s innovative design and superior performance characteristics make it an ideal choice for applications requiring reliability, efficiency, and minimal maintenance.