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Description / Abstract:
This standard describes the electrical, dimensional, and
mechanical characteristics and takes into consideration the safety
features of three-phase, 60 Hz, low-voltage (600 V and below)
network protectors. They are used for automatically connecting and
disconnecting a network transformer from a secondary spot or grid
network.
Purpose
This standard is intended for use as a basis for establishing
the performance, electrical and mechanical interchangeability, and
safety of the equipment covered and to assist in the proper
selection of such equipment.