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Outdoor Switchgear Equipment

Outdoor switchgear equipment is engineered to provide safe, efficient, and reliable power distribution in demanding external environments. Designed with robust enclosures and advanced protection mechanisms, this equipment safeguards electrical systems against overload, short circuits, and environmental challenges such as rain, dust, and extreme temperatures. It is the backbone of modern power networks, ensuring uninterrupted operation across industrial, commercial, and utility applications.

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The outdoor electrical switchgear integrates circuit breakers, disconnectors, relays, and protective devices into a weatherproof housing. It can operate at medium voltage (MV) and high voltage (HV) levels, making it suitable for substations, transmission lines, and renewable energy systems. Built from corrosion-resistant steel and flame-retardant insulation, outdoor switchgear ensures maximum safety and long service life.

Models are available in compact outdoor switchgear cabinets, modular outdoor switchgear, and customized outdoor distribution panels, tailored to meet diverse energy demands.

Main Features

  • Weatherproof design with IP-rated enclosures.
  • High voltage & medium voltage compatibility.
  • Built-in protective relays to prevent equipment damage.
  • Corrosion-resistant structure for long-term outdoor use.
  • Scalable and modular configuration.
  • Remote monitoring options for smart grid integration.

Key Advantages

  • Durability in harsh conditions – resistant to dust, water, and UV exposure.
  • Enhanced safety with arc-flash protection.
  • Flexible installation – skid-mounted or pole-mounted options.
  • Reduced downtime through intelligent fault detection.
  • Low maintenance requirements compared to indoor alternatives.
5.Main     Technical     Parameters
NO. Item Cmodule F    module V    module
Load switch Combination apparatus Vacuum Circuit Breaker
1 Rated Voltage 12
2 1min Power Frequency Withstand Voltage(KV) 42/48
3 Lightning Impulse Withstand Voltage(KV) 75/85
4 Rated Current(A) 630 125 630
5 Transfer Current(A) 1800
Closed Loop Breaking Current(A) 630
Cable Charging Breaking Current(A) 10
5%Active Load Breaking Current(A) 31.5
Ground FaultBreaking Current(A) 31.5
Short-circut Breaking Current(KA) 31.5 20
6 Short-circut Making Current(KA) 63 80 20
7 Short-time Withstand Current(KA) 20 20
8 Short-circuit Duration(S) 4 4
9 Mechanical Life(Tmes) 5000 5000 10000
10 SF6 Gas Pressure(bar) 1.2/1220℃
11 AnnualLeakage Rate 0.1%
12 Protection Class IP6714X(Gas tank/Housing)
6.Structural      Characteristics

Applications

  • Utility substations for rural and urban networks.
  • Renewable energy plants (solar, wind, hydro) for outdoor grid connection.
  • Industrial complexes requiring reliable outdoor power distribution.
  • Commercial infrastructure like malls, airports, and hospitals.
  • Smart cities and public infrastructure projects.

Installation & Maintenance
Installation Steps:

  1. Select a firm, level site away from excessive vibration or flooding.
  2. Ground the switchgear according to local electrical codes.
  3. Connect incoming/outgoing cables to HV and LV terminals.
  4. Verify control wiring and protection settings before energizing.

Maintenance Guidelines:

  • Inspect enclosures for water ingress and dust accumulation.
  • Test circuit breakers, relays, and fuses periodically.
  • Monitor insulation resistance and contact wear.
  • Clean ventilation and ensure cooling is unobstructed.

How to Choose the Right Outdoor Switchgear

  • Voltage level: match MV or HV switchgear to your grid.
  • Capacity & load: evaluate present and future energy demand.
  • Environment: use weatherproof switchgear solutions for coastal or desert areas.
  • Safety standards: ensure compliance with IEC, ANSI, or GB norms.
  • Smart features: choose models with remote monitoring for efficiency.
  • Manufacturer reliability: select certified outdoor switchgear manufacturers.

FAQ

What is the difference between indoor and outdoor switchgear?

Outdoor switchgear is designed with weatherproof housings to withstand environmental challenges, while indoor switchgear is optimized for controlled environments.

What voltage range does outdoor switchgear support?

It is typically available in medium voltage (3.3kV–36kV) and high voltage (above 36kV) models.

How long does outdoor switchgear last?

With proper maintenance, it can function effectively for 20–30 years

Can outdoor switchgear be used in renewable energy systems?

Yes, it is widely used in solar farms, wind parks, and hydro stations.

Is outdoor switchgear customizable?

Yes, it can be designed in modular or compact formats depending on project requirements.

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