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IEEE C57.12.44-2014
IEEE Standard Requirements for Secondary Network Protectors
The performance, electrical and mechanical interchangeability, and the safety of the equipment are covered. The proper selection of such equipment is established as a basis for use in this standard. Certain electrical, dimensional, and mechanical characteristics are described, and certain safety features of three-phase, 60 Hz, low-voltage (600 V and below) network protectors are taken into consideration. This equipment is used for automatically connecting and disconnecting a network transformer from a secondary spot or grid network.
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Institute of Electrical and Electronics Engineers [ieee]
Institute of Electrical and Electronics Engineers [ieee]