New | Emergency Transfer Load manager

The EXL is a wall mounted system that monitors and controls a single engine generator for operation in parallel with a single utility source. The EXL will support Emergency Standby as well as Utility Paralleling applications.

Technical Summary
ConfigurationWall mounted paralleling control system that monitors and controls a single generator and a single utility.
Modes of OperationUtility Import, Export, and base load operations, Peak shaving, and Emergency Standby. Closed Transition to/from Generator Power
ApplicationLV and MV (208V-32kV)
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, 51, 86
Environmental Parameters
CertificationsIBC, CBC, UBC, & OSHPD Certified
Control Panel EnclosureNEMA 1 or NEMA 3R Freestanding Construction
Operating Temperature0-50°C
Storage Temperature-20°C to +60°C
Low Voltage StandardsNEMA SG-5, CSA,ANSI C37.51, ANSI C37.20.1, UL1558 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

  • automatic Synchronizing And Paralleling Controls
  • automatic Operation Emergency Standby Applications
  • communications With The On Package Genset Controller Which Affords Viewing Of Detailed Engine And Generator Parameters On The Lcd Display
  • accommodates Interface To A User Building Management System Via Modbus Rs-485
  • user Configurable Engine Exercise Mode
  • password Security System To Ensure System Security

Standard Equipment

Instant Auto Selector Switch
  • Allows user to return sysem to automatic in the event of a touchscreen failure
Spare inputs and outputs
  • 3 digital inputs and 6 relay outputs programmable from the HMI

Optional Equipment

Supplemental Hardware 25 Device
  • Provides additional discrete synchronization protection

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With only a few days notice, we were able to get the emergency system working properly. Hawthorne Cat provided great leadership and excellent field support.
Mark Cripe
Helix Electric
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