May 2, 2001 Erico's Critec Transient Discriminating Suppressor (TDS) is a shunt protection device that is installed across the power circuit near the equipment to be protected, and is designed for more robust electronic loads such as electromechanical devices, motors, heating, and lighting. It is packaged in a 35-mm Deutsches Institut fur Normung (DIN) rail mount and features light-emitting diode (LED) status indication, plus optional Form C alarm relay. Underwriters Laboratories Inc. (UL—Northbrook, IL) 1449 Edition 2-recognized, UL 1283-compliant, and carrier service area (CSA)-certified, this transient suppression technology offers improved safety and reliability, yet retains optimum protection levels for sensitive electronic equipment, according to company claims. For more information visit www.erico.com.