Why Go Green?

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Vista Green® Underground Distribution Switchgear helps commercial and industrial (C&I) companies achieve their corporate sustainability goals.

All while delivering the full operational and design benefits of Vista switchgear.

See how Vista Green switchgear helps you achieve both your reliability and sustainability goals.

Product Details

Vista OCC

Vista, Vista Green, and Vista SD switchgear are furnished with fault-interrupter ways includes a unique microprocessor-based overcurrent control that detects faults and initiates operation of the resettable fault interrupters. Program the control in the shop or in the field using your personal computer via an easily connected USB port. The control offers exceptional flexibility and reliability, and it includes features unavailable in other manufacturers’ devices—or only available at substantial extra cost:

  • Five families of curves: Standard “E,” “K,” and “T” speed curves are supported plus special customizable “coordinating-speed” tap and main curves.
  • Superior coordination with upstream protective devices and downstream power fuses: Coordinating-speed curves provide optimal coordination on underground distribution systems.
  • Custom curve attributes: Coordinating-speed curves can be easily modified to include two separate definite-time delays.
  • Separate phase and ground curves are standard: This enables better coordination with source-side breaker trip settings. Negative sequence and sensitive earth fault protection settings are also provided.
  • No extra “wake-up” time: If a fault-interrupter way is closed into a fault, the fault interrupter will trip and clear the fault per the selected TCC, with no additional delay.
  • Self-powered: Current transformers on fault-interrupter ways provide sensing and power. No batteries or battery maintenance is needed.
  • Simple and straightforward programming and access to status information: All programming software is stored in the control. Programming is completed via a browser-based user interface.
  • Event log: The log captures information on the last 64 events captured by the control.
  • Diagnostic information: Data is available to assess the status of the control.
  • Optional external trip provisions for additional functionality: Input from external sources such as transformer sudden-pressure relays can also trip the fault interrupters.

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