Switchgear and Paralleling Controls

Cat Emergency Transfer Load Manager (EXL)

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.

Automatic operation Synchronizing and Paralleling

Ideal for use in Distributed system as well as Soft Load Automatic Transfer Switch (ATS) applications

Communications interface

Viewing of detailed engine and generator parameters on Graphical LCD display and interface with Building Management System

Complete factory-tested solution

System integration is validated before arriving at site

Specifications

Technical Summary

Configuration	Wall mounted paralleling control system that monitors and controls a single generator and a single utility.
Modes of Operation	Utility Import, Export, and base load operations, Peak shaving, and Emergency Standby. Closed Transition to/from Generator Power
Application	LV and MV (208V-32kV)

Generator Protective Devices

ANSI Protective Devices

15/25. 27/59, 81 O/U, 32, 40, 50, 51

Utility Protective Devices

ANSI Protective Devices

15/25. 27/59, 81 O/U, 32, 40, 47, 51, 86

Environmental Parameters

Certifications	IBC, CBC, UBC, & OSHPD Certified
Control Panel Enclosure	NEMA 1 or NEMA 3R Freestanding Construction
Operating Temperature	0-50°C
Storage Temperature	-20°C to +60°C
Low Voltage Standards	NEMA SG-5, CSA,ANSI C37.51, ANSI C37.20.1, UL1558 or UL 891, NFPA 110, NFPA 99 and NFPA 70
Medium Voltage Standards	NEMA SG-5, ANSI / IEEE C37.20.2, CSA-C22.2 No. 31-M89, EEMAC G8-3.2, NFPA 70, NFPA 99 and NFPA 1110

EXL – Emergency Transfer Load Manager Spec Sheet

Download (PDF)

Benefits & Features

Product features

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

Cat Emergency Transfer Load Manager (EXL)

Specifications

EXL – Emergency Transfer Load Manager Spec Sheet

Benefits & Features

Cat Emergency Transfer Load Manager (EXL)

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Cat Emergency Transfer Load Manager (EXL) Switchgear and Paralleling Controls