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2023 Russian High Voltage 10KV Disconnect BHA Switches Load Break
2023 Russian High Voltage 10KV Disconnect BHA Switches Load Break
2023 Russian High Voltage 10KV Disconnect BHA Switches Load Break
2023 Russian High Voltage 10KV Disconnect BHA Switches Load Break
2023 Russian High Voltage 10KV Disconnect BHA Switches Load Break

R4,589

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High Voltage Circuit Breaker

 

The High Voltage Circuit Breaker is designed to protect electrical systems from faults and ensure the safe distribution of power. This breaker is ideal for use in industrial applications where high voltage, large current handling, and reliability are critical for maintaining system integrity.

 

Key Features

 

  • Rated Voltage: 12kV, ideal for high-voltage applications.
  • Rated Frequency: Operates at 50Hz for compatibility with standard electrical grids.
  • Current Ratings:
    • Rated Current: 400A to 630A.
    • Rated Short-Time Withstand Current:
      • 12.5kV for 4 seconds (Thermally Stable Current).
      • 20kV for 2 seconds (Dynamic Steady Current).
    • Rated Peak Withstand Current: 31.5kA (400A) and 50kA (630A).
  • Breaking Capacity:
    • Rated Closed-Loop Breaking Current: 400A (for 400A units) and 630A (for 630A units).
    • Rated Active Load Breaking Current: 400A or 630A based on the unit.
    • Rated Cable Charging Breaking Current: 10A.
    • Rated Breaking No-Load Transformer Capacity: 1250A.
  • Short Circuit and Load Handling:
    • Rated Short Circuit Closing Current: 31.5kA for 400A and 50kA for 630A.
    • Load Current Breaking Times:
      • 20 times at 100% load.
      • 35 times at 60% load.
      • 75 times at 30% load.
      • 80 times at 5% load.
  • High-Voltage Withstand:
    • 1 minute Power Frequency Withstand Voltage: 42kV between ground and phase.
    • Power Frequency Withstand Voltage (Between Isolation Gaps): 48kV.
    • Lightning Impulse Withstand Voltage:
      • 75kV between ground and phase.
      • 85kV for isolation fracture.
  • Operation Torque:
    • Opening and Closing Operation Torque: 90N.m (180N) for 400A unit and 100N.m (200N) for 630A unit.

 

 

NameUnitDate
Rated VoltageKV12
Rated FrequencyHz50
Rated CurrentA400630
Rated Short-Time Withstand Current(Thermally Stable Current)KV12.5(4s)20(2s)
Rated Peak Withstand Current (Dynamic Steady Current)KA31.550
Rated Closed- Loop Breaking CurrentA400630
Rated Active Load Breaking CurrentA400630
5% Rated Active Load Breaking CurrentA2031.5
Rated Cable Charging Breaking CurrentA10
Rated Breaking No-Load Transformer Capacity 1250
Rated Short Circuit Closing CurrentKA31.550
Load Current Breaking TimesTimes20(100% Load) 35(60% Load) 75(30% Load) 80(5% Load)
1 min Power Frequency Withstand Voltage(Effective Value)KV42 Ground and Phase
Power Frequency Withstand Voltage (Between Isolation Gaps)KV48
Lightning Impulse Withstand Voltage(Peak)KVGround and Phase 75, Isolation Fracture 85
Opening and Closing Operation Torque (Force)N.m(N)90(180)100(200)

 

The High Voltage Circuit Breaker offers superior protection and robust performance, ensuring system reliability under extreme conditions and handling high currents with ease. It is designed for high-voltage applications that require precise control and protection.

 

Product Info Gallery

 

 

 

 

  • Shipping Timeframes: All orders are processed within 2-5 business days (excluding weekends and holidays). After your order has been processed, the estimated delivery time is before 30 May, 2025, depending on customs, Please note that due to high demand, some items may experience longer shipping times, which will be communicated at order confirmation email.
  • Order Processing Time: Please allow 2-5 business days for us to process your order before it is shipped . Orders placed after 16:00 on Fridays, or during weekends and public holidays, will begin processing on the next business day. Processing times may be extended during peak seasons or sales events.
  • Manufacturing Time: Some products needs manufacturing time, the manufacturing process will take approximately 10-30 business days depending on the product. This timeframe may vary depending on the complexity of the product and current demand. but this will be communicated with you during order confirmation.
  • Returns and Exchanges: We offer a 30-day return policy for most items. If you are not completely satisfied with your purchase, you may return it within 30 days of receipt for a refund or exchange. Items must be unused, in their original packaging, and accompanied by proof of purchase. Return shipping costs are the responsibility of the customer, unless the item was damaged or defective upon arrival.

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