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The Emergency Transfer and Load management (XLM) product supports transfer between the utility source and generator bus and allows for sustained parallel operation with the utility for load management applications.

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Technical Summary
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Configuration Configurable PLC based switchgear capable of controlling and monitoring multiple generator sets, tie, utility and load breakers for utility paralleling applications Configurable PLC based switchgear capable of controlling and monitoring multiple generator sets, tie, utility and load breakers for utility paralleling applications
Modes of Operation Emergency Standby, Utility Import/Export, Peak shaving, and base load operations with redundant controls and components. Closed transition to/from generator power Emergency Standby, Utility Import/Export, Peak shaving, and base load operations with redundant controls and components. Closed transition to/from generator power
Application LV and MV ( 208V - 38 kV LV and MV ( 208V - 38 kV

XLM Switchgear

  • High Speed Supervisory Network
  • Automatic Start/Stop
  • Automatic “Dead Bus” Coordination
  • Automatic Power Factor Control when in Parallel with Utility Power
  • Programmable Load Shed / Load Add Functions
  • Networked Engine Communications
  • Generator & Utility 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 XLM Switchgear Standard Equipment

Generator Demand Priority Control
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  • Automatically match the on-line generator capacity to the loads, and avoid unnecessary operation of generator sets.

Cat XLM Switchgear Optional Equipment

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