VS1-24 Indoor High Voltage Fixed Vacuum Circuit Breaker with Insulated Cylinder (24kV)

The VS1-24 indoor high-voltage fixed vacuum circuit breaker is a compact, holistic sealed power distribution unit designed for 24kV and 50/60Hz three-phase AC systems. It features a robust design with insulated cylinders to ensure high reliability and safety in modern power grids. Fully compliant with IEC62271, GB1984, and JB3855 standards, this VCB is engineered to control and protect electrical apparatus in environments requiring frequent switching operations.

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VS1-24 Indoor High Voltage Fixed Vacuum Circuit Switch (24kV)

Product Overview

The VS1-24 series indoor AC high voltage vacuum circuit breaker is a holistic sealed power distribution unit with a rated voltage of 24kV. Engineered for modern power systems, this three-phase AC 50/60Hz device features a compact structure and small volume, making it an ideal solution for controlling and protecting electrical apparatus in environments requiring frequent operations.

Superior Design & Features

The VS1-24 is built to provide reliable arc extinguishing and consistent mechanical performance:

  • Holistic Sealed Structure: The breaker utilizes a holistic structure with a sealed arc-extinguishing chamber to ensure high-quality performance.

  • Maintenance-Free Insulation: Equipped with an insulated cylinder that protects the vacuum interrupter and conductive parts.

  • Sound Mechanical Features: Designed for longevity and stability, supporting various mounting methods to suit different switchgear requirements.

  • Global Compliance: Fully conforms to international and domestic standards, including IEC62271, GB1984, JB3855, and DL403.

Technical Specifications

Item Unit Technical Data
Rated Voltage kV 24
Rated Frequency Hz 50/60
Rated Current A 630 / 1000 / 1250 / 1600
1min Power Frequency Withstand Voltage kV 50
Lightning Impulse Withstand Voltage kV 125
Rated Short-Circuit Breaking Current kA 20 / 25 / 31.5
Mechanical Life Times 20,000
Rated Operating Sequence O-0.3s-CO-180s-CO
Opening Time ms ≤ 60
Closing Time ms ≤ 75

Environmental Operating Conditions

To maintain optimal safety and performance, the following conditions must be met:

  1. Ambient Temperature: Range from -25°C to +40°C.

  2. Altitude: Not exceeding 1000m.

  3. Humidity: Daily average ≤ 95%, Monthly average ≤ 90%.

  4. Site Requirements: Installation area must be free from inflammable, explosive, or corrosive materials and severe vibration.

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