LW8-36 Series Outdoor High Voltage SF6 Circuit Breaker
LW8-36 Series Outdoor High Voltage SF6 Circuit Breaker
LW8-36 Series Outdoor High Voltage SF6 Circuit Breaker
LW8-36 Series Outdoor High Voltage SF6 Circuit Breaker
LW8-36 Series Outdoor High Voltage SF6 Circuit Breaker
LW8-36 Series Outdoor High Voltage SF6 Circuit Breaker
LW8-36 Series Outdoor High Voltage SF6 Circuit Breaker
LW8-36 Series Outdoor High Voltage SF6 Circuit Breaker
LW8-36 Series Outdoor High Voltage SF6 Circuit Breaker
LW8-36 Series Outdoor High Voltage SF6 Circuit Breaker

LW8-36 Series Outdoor High Voltage SF6 Circuit Breaker

The LW8-36 Series Outdoor High Voltage SF6 Circuit Breaker is a pivotal component in the realm of electrical power distribution, re nowned for its reliability and safety. These breakers are specifically tailored for outdoor deployment, designed to endure a multitude of environmental challenges while ensuring the efficient management of electrical energy flow.

Product Description

Structural Features

  1. SF6 Gas Chamber: The heart of the breaker, utilizing SF6 gas for superior insulation and arc interruption.
  2. Rugged Outdoor Housing: Fortified to shield the breaker from the elements, guaranteeing sustained performance over time.
  3. Intuitive Indicators: Equipped with clear indicators that provide real-time status updates for straightforward monitoring.
  4. Seamless Integration: Compatible with a variety of grid components and control systems, allowing for an easy fit within existing infrastructure.

Functionality

  1. Circuit Interruption: Engineered to securely interrupt both fault and normal currents within an electrical system, providing essential protection.
  2. Arc Suppression: The use of SF6 gas ensures effective arc-quenching, contributing to a safer operation and extended service intervals.
  3. Outdoor Durability: Constructed to be impervious to outdoor elements, including precipitation, dust, and temperature extremes.

Service and Installation Conditions

  • Ambient Temperature: Suitable for operation in ambient temperatures ranging from -30°C to 40°C, with provisions for special orders exceeding these limits.
  • Elevation: Intended for installations at altitudes up to 1000 meters, with advanced notice required for higher elevations.
  • Humidity: The daily average relative humidity should be ≤95%, and the monthly average should be ≤90% (measured at 25°C).
  • Wind Speed: The breaker is rated to withstand wind speeds up to 35 m/s.
  • Creepage Distance: The required creepage distance is either 25 mm per kV or 31 mm per kV, depending on the specific model or configuration.

Specifications

Item Unit Specification
Rated voltage kV 36
Rated insulating level Lightning impulse withstand voltage (1.2/50 μs) kV 215/200
Power frequency withstand voltage (1min) kV 118/95
Rated current A 1600 /2000/2500/3150
Rated short circuit withstand/breaking current kA 20/25/31.5
Rated SF6 pressure (20℃ REL.) MPa 0.40 /0.50
Lockout pressure (20℃C REL.) MPa 0.30 / 0.40
Rated short circuit making current kA 50/60/80
Rated short circuit switching current kA 50/60/80
Rated outof-phase breaking current kA 5/6.3/8
Breaking times of the rated short circuit withstand/breaking current Times 20
Mechanical life Times 10000
Closing time (under rated operation voltage) S ≤0.1
Opening time (under rated operation voltage) S ≤0.06
Rated operating sequence O-0.3s-CO-180s-CO
Rated switching single capacitor bank current A 400
Rated shortcircuit duration S 4
Annual leakage %Year ≤0.3
Moisture content of SF6 (20C) uL/L ≤150
Voltage of opening and closing coil V AC: 220/380 DC:48/110/220
Voltage of charging motor V AC: 220 DC: 110 /220

Product Advantages

  • 1. Enhanced Safety: The use of SF6 gas provides excellent dielectric strength and arc-quenching properties.
  • 2. Low Maintenance: Minimal servicing requirements due to the stable nature of SF6 and robust construction.
  • 3. Environmental Compatibility: Designed to operate in a wide range of environmental conditions without performance compromise.
  • 4. Compact and Robust: Ideal for space-constrained installations and capable of withstanding the rigors of outdoor applications.
LW8-36 Series Outdoor High Voltage SF6 Circuit Breaker

Application Places

  • Urban Power Distribution: Provides reliable current management in densely populated areas where safety is critical.
  • Industrial Applications: Offers high reliability and safety standards necessary for continuous industrial power supply.
  • Rural Electrification: Ensures stable power distribution in remote areas with challenging environmental conditions.
  • Substation Integration: Crucial for the control and protection of power flow within and between substations.
  • The LW8-36 Series Outdoor High Voltage SF6 Circuit Breaker exemplifies the cutting-edge technology and engineering required for modern power system protection, offering a versatile and high-performance solution for various applications within the power sector.

Packing

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Product Video

Faq

  • 1. What is the purpose of the LW8-36 Series Circuit Breaker?

    It is designed for controlling and protecting electrical networks, particularly for making, carrying, and breaking normal and fault currents in outdoor high-voltage systems.

  • 2. What are the environmental conditions it can withstand?

    The breaker is suitable for various environmental conditions, including high temperatures, high humidity, and high altitudes, as long as they are within the specified limits.

  • 3. How does the SF6 gas contribute to the breaker's operation?

    Sulfur hexafluoride (SF6) gas is used as an insulating and arc-quenching medium, which extinguishes the electric arc during circuit interruption.

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