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United Technologies
Brand Names: Edwards Signaling, Sentrol Industrial

Audible and Visual Signals for Industrial and Commercial Applications

United Technologies, which includes Edwards Signaling and Sentrol Industrial, provides a complete line of electronic audible and visual signals for indoor, outdoor, and hazardous locations.

Edwards Signaling & Security Systems include two-line Workstation Message Centers, Chameleon LED multi-status indicators, industrial weatherproof and marine-rated hazardous location beacons, and outdoor-rated hazardous location bells and horns.  Additionally, Edwards Signaling offers a full line of fire alarm devices, appliances, and panels as well as door holders, door releases, contact devices, and annunciators.

Sentrol Industrial spans the globe as a technological leader in the rapidly growing electronic security industry. The business focuses on communication technologies along with information for security, life safety and lifestyle enhancements, Homeland Security and the emerging web-enabled premises management market for residential, commercial and enterprise applications.

File Size


Full Catalog 62,073 KB
Audible Signals 13,807 KB
Audible/Visual Signals 5,479 KB
Call for Assistance 2,868 KB
Chimes, Push Buttons and Transformers 3,019 KB
Clocks and Time Systems 1,714 KB
Door Holders, Openers and Switches 1,986 KB
FIre Alarms 11,323 KB
Hazardous Location Signals 15,040 KB
LED Message Displays 769 KB
Message Centers and Annunciators (2004 Catalog) 1,693 KB
Sound and Communications 4,411 KB
Visual Signals 4,899 KB
Warning and Notification Systems 2,564 KB


GE Sentrol Industrial Catalog 2,535 KB
GE Sentrol Commercial Products 42,772 KB
GE Sentrol Magnetic Contacts Update 12,417 KB
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