Electric power controls

Cat XLM Switchgear

The Emergency Transfer and Load management (XLM) gen switchgear 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
ConfigurationConfigurable PLC based switchgear capable of controlling and monitoring multiple generator sets, tie, utility and load breakers for utility paralleling applications
Modes of OperationEmergency Standby, Utility Import/Export, Peak shaving, and base load operations with redundant controls and components. Closed transition to/from generator power
ApplicationLV and MV ( 208V - 38 kV
Generator Protective Devices
ANSI Protective Devices15/25, 27/59, 81 O/U, 32, 40, 50, 51
Utility Protective Devices
ANSI Protective Devices15/25, 27/59, 81 O/U, 32, 40, 47, 50, 51, 86
Environmental Parameters
CertificationsIBS, CBC, UBC & OSHPD Certified
Control Panel EnclosureNEMA 1 or NEMA 3R, Freestanding Construction
Operating Temperature0 degrees to 50 degrees C
Storage Temperature-20 degrees C to +60 degrees C
Low Voltage StandardsNEMA SG-5, CSA, ANSI C37.51, ANSI C37.20.1, UL 1558 or UL 891, NFPA 110, NFPA 99 and NFPA 70
Medium Voltage StandardsNEMA SG-5, ANSI / IEEE C37.20.2, CSA-C22.2 No. 31-M89, EEMAC G8-3.2, NFPA 70, NFPA 99 and NFPA 1110

Generator Demand Priority Control

  • Automatically match the on-line generator capacity to the loads, and avoid unnecessary operation of generator sets.
  • Cat XLM Switchgear
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  • Cat® Extended Service Coverage (ESC)
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  • EMCP 4.4 Master Control Panel XLM Configuration
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  • Tech-Link Switchgear Remote Access System Service Tool
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  • Paralleling Switchgear Application & Installation Guide
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  • Cat® Switchgear Advanced GUI / HMI Operator Interface
    application/pdf
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Need installed dimensions with enclosure and tank? See Model Configurations