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EXL – Emergency Transfer Load Manager

EXL – Emergency Transfer Load Manager

EXL – Emergency Transfer Load Manager

Product catalog summary
Features
  • Automatic control for one genset and one utility.
  • Emergency standby mode and utility paralleling for power import, export, and baseload.
  • Closed transition to and from generator power.
  • Engine communications compatible with EMCP3.2, 3.3, 4.2.
  • User-friendly programming with a color touchscreen interface.
  • Seamless support for diesel and gas Cat® engine generators.
EXL – Emergency Transfer Load Manager

The EXL is a wall-mounted system designed to monitor and control a single engine generator in parallel with a single utility source. It supports voltages from 208V to 32kV and offers a cost-effective alternative to switchgear-mounted controls.

Description
  • Integrates into existing switchgear for a fully automated system.
  • Direct access to Cat engine data with complete metering and control via a touchscreen.
  • Includes protective functions with annunciation and alarm history.
  • Supports multiple modes of operation including emergency standby and utility parallel operations.
  • Compliant with NFPA 99 and 110 standards.
  • Features a NEMA 12 (IP52) rated wall-mount cabinet, UL508A / cUL labeled.
User System Requirements

The system requires user-provided electrically operated generator and utility circuit breakers with specific auxiliary contacts and protection features.

Specifications
  • Supports Cat Engine-Generators models C9-C32, C175, 3300, 3400, 3500, G3300, G3400 & G3500.
  • System capacity for one generator set and one utility.
  • Voltage range from 208V to 32kV, 50/60Hz.
  • Control voltage nominal at 24 VDC with a range of 18-40 VDC.
  • Environmental parameters include UL 508A / cUL certifications, operating temperature from 0-55º C, and storage temperature from -20°C to +60°C.
  • Control panel dimensions are 36"H x 24"W x 8"D with a shipping weight of approximately 192 lbs.
Additional Information

Materials and specifications are subject to change without notice. Caterpillar trademarks and logos are used with permission.

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Catalog excerpts

EXL – Emergency Transfer Load Manager-1

EXL - Emergency Transfer Load Manager The EXL is a wall mounted system that monitors and controls a single engine generator for in parallel with a single utility source. This cost effective alternative to switchgear mounted controls is designed for voltages from 208V - 32kV. The EXL will support Emergency Standby as well as Utility Paralleling. • Provides Automatic Control for One Genset and One Utility • Emergency Standby Mode • Utility Paralleling including Power Import, Export, and Baseload • Closed Transition to and from Generator Power • Engine Communications (EMCP3.2, 3.3, 4.2) • Easy User Programming of Custom Logic • State of the Art, Color Touchscreen for Operator Interface • Easy to Follow, Step by Step Installation and Start-up Instructions • Cat® Engine Generators Seamless Support for Diesel and Gas

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EXL – Emergency Transfer Load Manager-2

DESCRIPTION • Can be integrated into existing switchgear to provide a fully automated system • Direct access to Cat engine data • Complete metering and control from intuitive color touchscreen • Complete protective functions, with annunciation and alarm history • User programmable input and outputs • Supported modes of operation include: ■ Emergency Standby (utility failure protection) ■ Utility Parallel, import power from grid ■ Utility Parallel, export power to grid ■ Utility Parallel, base load operations ■ Automatic Engine Generator Exercising • Closed transition to and from generator to...

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EXL – Emergency Transfer Load Manager-3

*Dependent on CT/PT Accuracy

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EXL – Emergency Transfer Load Manager-4

Information contained in this publication may be considered confidential. Discretion is recommended when distributing. Materials and specifications are subject to change without notice. CAT, CATERPILLAR, their respective logos, “Caterpillar Yellow,” the “Power Edge” trade dress as well as corporate and product identity used herein, are trademarks of Caterpillar and may not be used without permission.

 Open the catalog to page 4

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.