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2. List of telephone switches - Wikipedia

   en.wikipedia.org/wiki/List_of_telephone_switches

   EMS-1 (The ITEC Electronic Modular Switch is an electronic direct control switching system. The modules are combined to form a complete switch or any of the modules can be added to your present Step-by-Step Systems.) EMS-2 (The EMS-2 RURAL SWITCH is a stored program control analog switch designed to be cost-effective in small exchanges.

3. ASCO Power Technologies - Wikipedia

   en.wikipedia.org/wiki/ASCO_Power_Technologies

   The "Firetrol" branch of ASCO provides power transfer switches, controls, and alarms for fire suppression. ASCO's headquarters is located in Florham Park, New Jersey. With over 1400 employees and 500,000 square feet of manufacturing floor space, it is the world's largest manufacturer of power transfer switches.

4. Automotive fuse - Wikipedia

   en.wikipedia.org/wiki/Automotive_fuse

   Automobile electrical circuit breaker with resettable switch. Automotive fuses are a class of fuses used to protect the wiring and electrical equipment for vehicles. They are generally rated for circuits no higher than 32 volts direct current, but some types are rated for 42-volt electrical systems. They are occasionally used in non-automotive ...

5. DIP switch - Wikipedia

   en.wikipedia.org/wiki/DIP_switch

   Eight switches offer 256 (2 8) combinations, which is equivalent to one byte. A tri-state type DIP switch can be in one of three positions (+, 0, −) which allows more codes than a binary DIP switch. For example, 8 pole tri-state DIP switches offer 6,561 (3 8) combinations/codes compared to 8 pole binary switches' 256 (2 8) combinations/codes ...

6. Number One Electronic Switching System - Wikipedia

   en.wikipedia.org/wiki/Number_One_Electronic...

   Type 12A Line Grids with 2:1 LCR were only about 5 inches (12 cm) wide, with eight 4x4 Stage 0 line switches with ferrods and cutoff contacts for 32 lines, connected internally to four 4x8 Stage 1 switches connecting to B-links. Type 14A Line Grids with 4:1 LCR were about 16x12x5 inches (40x30x12 cm) with 64 lines, 32 A-links and 16 B-links.

7. Littelfuse - Wikipedia

   en.wikipedia.org/wiki/Littelfuse

   Littelfuse, Inc. is an American electronics manufacturing company headquartered in Chicago, Illinois. [2] [3] The company primarily produces circuit protection products but also manufactures a variety of switches, automotive sensors and, through its subsidiary Zilog, microprocessors.