New | Engine Paralleling and Integration Control (EPIC)

Caterpillar offers standard paralleling solutions, which can be provided in a wide variety of market applications. The Engine Paralleling and Integration Control (EPIC) product line provides standard paralleling controls in a remote cabinet separate from the engine generator set and separate from switchgear (breakers and bus). EPIC allows for operating generator sets in pre-configured Emergency Standby, Prime power and Parallel with Utility configurations. It eliminates the need for traditional hardwired components such as synchronizers, power factor controllers, load share modules, cross-current compensation devices, annunciators, switches and meters by replacing them with the industry proven Caterpillar EMCP 3.S dedicated controller and color touch screen interface, and is an alternative to switchgear mounted controls.

Technical Summary
ConfigurationRemote modular paralleling control system (Master Control Panel for the first 2 gensets, separate add-on control panels for up 8 more gensets, and optional control panel for 1 utility breaker)
Modes of OperationEmergency Standby with redundant master control, Utility paralleling, peak shaving, and closed transition to/from Generator Power (with optional utility control panel)
ApplicationLV and MV (208V-27kV)
Generator Protective Devices
ANSI Protective Devices15/25. 27/59, 81 O/U, 32, 40, 90 (Industrial Grade)
Utility Protective Devices
ANSI Protective Devices15/25. 27/59, 81 O/U, 32,47 (Industrial Grade)
Environmental Parameters
CertificationsUL / cUL 508A
Control Panel EnclosureNEMA 12
Operating Temperature0°C to 55°C
Storage Temperature-20°C to 60°C

  • easy Connectivity To Generator Mounted Electrically Operated Circuit Breaker Or Freestanding Switchgear With Electrically Operated Breaker
  • high Speed Ethernet Supervisory Network
  • Redundant Master Technology
  • bumpless Backup Of Master Control Functions
  • password Protection For Critical Settings
  • automatic Start/stop
  • automatic Load And Var Sharing
  • automatic “dead Bus” Coordination
  • automatic Power Factor Control When In Parallel With Utility Power
  • programmable Load Shed / Load Add Functions
  • touch Screen (hmi) Display

Standard Equipment

Instant Auto Selector Switch
  • Allows user to return sysem to automatic in the event of a touchscreen failure

Optional Equipment

Generator Control Panel (for 3-10 gensets)
  • With breaker position indications and circuit breaker control switch
Utility Control Panel (for utility paralleling and control)
  • With utility close lockout switch, breaker position indications, and circuit breaker control switch
Supplemental Hardware 25 Device
  • Provides additional discrete synchronization protection
Data Table Interface
  • Accommodates interface with a building management system
Generator Demand Priority Control
  • An automatic priority sequencing function to modulate the number of gensets online to control load percentages per machine, assist with fuel efficiency, and maintain adequate reserve capacity



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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.
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Helix Electric

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