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Live-front switchgear has been an industry standard for decades, but it is not impervious to weather and wildlife. With an increase in significant weather events, utilities are looking at hardening their power systems against the environment while also improving customer reliability.

Along with resiliency, safety is always the top priority. Live-front switchgear can expose line crews operating the gear to high voltage. As such, line crews must carefully consider approach distances and use proper protective equipment before working on live-front gear, such as when handling and replacing fuses. These operations may require significant crew training and procedures to help prevent crew exposure to high voltage wherever possible.

Additionally, live-front switchgear requires routine maintenance, which includes cleaning cable terminations and insulators to ensure proper operation over the life of the gear. Dirty, damaged, or flooded live-front gear can become an urgent utility priority and an O&M expense to avoid flashovers.

Switchgear Expenses


Utilities have dealt with these challenges for decades, assuming this was just the cost of doing business. But alternative switchgear options exist today.

Alternative to Live-Front Switchgear

Using SF6 or solid-dielectric, Vista distribution switchgear provides reliable protection, even in the face of major weather events. Vista switchgear’s simple, single handle operation and visible gaps allow for routine operations to be performed without confusion. Vista switchgear requires virtually no maintenance, reducing O&M costs.

Advantages

Vista and Vista SD switchgear are built to minimize reliability risks and deliver significant cost savings.

Withstands harsh environments

Withstands harsh environments

Fully submersible, sealed, and protected

Fully submersible, sealed, and protected

Reduces maintenance costs

Reduces maintenance costs

Improves reliability over live-front switchgear

Improves reliability over live-front switchgear

Compact, low-profile design minimizes footprint

Compact, low-profile design minimizes footprint

One-hand operation

Simple operation

No fuse handling

No fuse handling

Switchgear Products

Vista Underground Distribution Switchgear

Vista Underground Distribution Switchgear

Vista switchgear solves difficult switching and protection problems and improves reliability. Built with the user in mind, it only takes one person to operate, and features a sequence of operations designed for safety.

Vista SD Underground Distribution Switchgear

Vista SD Underground Distribution Switchgear

Vista SD switchgear offers an environmentally-friendly alternative to solving switching, protection, and reliability challenges using solid-dielectric material instead of SF6 gas.

Features

Simple, One-Handed Operation

Simple Operation

Access and operate the switchgear without cable-handling** or high-voltage exposure for a higher level of safety.

Manual or Automatic

Manual or Automatic

Choose automatic, manual, or remote operational capabilities with a motor operator.

Cable-Free Grounding

No External Grounds

Safely ground medium-voltage cables using a standard internal ground switch. External grounds are not required.*

Visible Open Gap

Visible Open Gap

Easily confirm closed, open, and grounded* positions through large viewing windows.

Aesthetic Improvement

Aesthetic Improvement

The switchgear comes in a compact, low-profile design.

Dust, Corrosion and Leak-Proof

Dust, Corrosion & Leak-Proof

Prevent leaking, rusting, or contamination to switchgear with a sealed design.

Low Maintenance

Low Maintenance

Minimal mechanical maintenance is required once a unit is installed; only an annual visual inspection is recommended.

Overcurrent Control

Overcurrent Control

Superior coordination, flexibility, and reliability are made possible with a self-powered and user-friendly control.

Multiple Installation Styles

Multiple Installation Styles

Choose from Pad-Mounted, Vault-Mounted, Wind-Turbine*, Manhole*, or UnderCoverTM Style units.

Zero Emissions

Zero Emissions

Solid-dielectric and vacuum interrupters use materials with zero global-warming potential.**

*Applies to Vista Underground Distribution Switchgear only.
**Applies to Vista SD Underground Distribution Switchgear only.

Case Studies

Customer successes achieved using Vista and Vista SD switchgear.

West Coast Utility

Improved reliability and perfect coordination, while use of UnderCover Style units makes switchgear virtually invisible in the community.

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Midwest Utility

Improved reliability, while sectionalizing and coordination are provided with the existing scheme.

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Arizona Utility

Utility standardizes Vista switchgear on its system after this project’s success.

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Product Details

Contact us today to learn more.

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