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The Cat® MMC-M is designed for large industrial/commercial installations. The MMC-M will integrate a variety of traditional and renewable energy sources to provide overall monitoring and control of the assets. These assets may be either located at a common installation or dispatched over a wider region.

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Technical Summary
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Configuration Configurable PLC based switchgear capable of controlling and monitoring multiple generator sets, tie and load breakers in conjunction with downstream transfer switches for standby or emergency applications Configurable PLC based switchgear capable of controlling and monitoring multiple generator sets, tie and load breakers in conjunction with downstream transfer switches for standby or emergency applications
Modes of Operation Multi-unit Island and multi-unit standby mode with optional redundant controls and components. Multi-unit Island and multi-unit standby mode with optional redundant controls and components.
Application LV and MV (208V - 38 kV) LV and MV (208V - 38 kV)

EGP Switchgear

  • High Speed Supervisory Network
  • Automatic Start/Stop
  • Automatic “Dead Bus” Coordination
  • Programmable Load Shed / Load Add Functions
  • Networked Engine Communications
  • Generator Protection
  • Engine Tuning
  • Mode Selection
  • Selectable Auto/ Manual Control
  • Password Protection for Protective Settings and Setup
  • Load/No Load Test
  • Touch Screen (HMI) Display
  • NFPA 99/110 Compliant Alarm
  • Annunciation with Audible Horn
  • Engine Control mimic Screen with gauges for RPM, DC Battery Voltage oil Pressure, Engine Coolant temperature, Engine Hours, Number of starts

Cat Microgrid master Controller (MMC-M) Standard Equipment

EGP Switchgear
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  • Instant Auto Switch
  • Emergency Stop Button for each generator
  • Generator Demand Priority Control
  • Circuit Breaker Control Switch with Indicators
  • Audible Alarm & Horn Silence Button
  • Choice of 19” Surface Acoustic Wave Color or 15” Resistive Color Touchscreen

Cat Microgrid master Controller (MMC-M) Optional Equipment

Data Table Interface
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  • * Accomodates interface with a building management system for monitoring all system parameters via Modbus RTU or TCP