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Engine Generator Integrated Switchgear


Caterpillar offers standard paralleling solutions, which can be provided in a wide variety of market applications. The Engine Generator Integrated Switchgear (EGIS) product line provides a standard paralleling system (circuit breakers, bus, and controls) using pre-engineered structures in an integrated controls / switchgear lineup. EGIS allows for operating generator sets in pre-configured Emergency Standby, Prime power and Parallel with Utility configurations. The modular EGIS system utilizes the industry proven Caterpillar EMCP 3.S dedicated controller to perform synchronization, power factor control, load sharing, and system monitoring. The user is able to monitor and control the system through an industrial touchscreen HMI.

Technical Summary
  • Configuration - Floor Standing modular switchgear paralleling system (Master Breaker Panel for the first 2 gensets, separate structures for up to 8 additional gensets , utility, and load control/distribution)
  • Modes of Operation - Emergency Standby with redundant master control. Utility paralleling, peak shaving, and closed transition to/from Generator Power (with optional utility control panel)
  • Application - LV only (208V - 480V)
  • Generator Protective Devices
  • ANSI Protective Devices - 15/25. 27/59, 81 O/U, 32, 40, 90 (Industrial Grade)
  • Utility Protective Devices
  • ANSI Protective Devices - (Utility Grade) SR-750 / SEL-351S, 25, 27/59, 81 O/U, 32,47 (Industrial Grade) 15
  • Environmental Parameters
  • Certifications - UL891
  • Control Panel Enclosure - NEMA1
  • Operating Temperature - 0°C to 55°C
  • Storage Temperature - -20°C to 60°C
  • Standard Equipment
  • Master Breaker Panel (MBP) for first 2 gensets
  • 12" Graphical Color Touchscreen display (HMI) Instant Auto Selector Switch
  • Spare inputs and outputs
  • Optional Equipment
  • Generator Breaker Panel for 1 or 2 incremental gensets (up to 8 additional gensets)
  • Utility Breaker Panel
  • Supplemental Hardware Synchronization check relay (ANSI 25 Device)
  • Data Table Interface
  • Generator Demand Priority Control
  • Distribution Breaker Panel Slave

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