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Rotary 7A
Electromagnetica
- Manufacturer
- Electromagnetica
- Country
- Romania
- Year
- Unknown
- Category
- Telecommunications
- Type
- Telephone exchanges
- Documentation score
- 1/5
- Last edited
- 03 OCT 2026
Specifications
- Switching
- automatic, Rotary system
Sources: [1]
Description
The Rotary 7A is a Rotary-type automatic telephone exchange, assimilated at Electromagnetica from 1957 together with the Rotary 7D, Rotary 7E [1]. From 1980 ICRET made electronic registers that replaced the electromechanical registers of Rotary exchanges; about 1,300 were installed in Bucharest exchanges in four years [1].
Gallery
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Schematics
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Documents
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