Safety unit for an electric 3-phase circuit

Details Safety unit for an electric 3-phase circuit Safety unit for an electric 3-phase circuit

1994-09-07

1996-12-24

Abrams, Neil

Electrical connectors

Jumper

Including plural prongs

361 56, H02H 904

Patent

active

055869084

ABSTRACT:
The invention relates to a safety unit for an electric 3-phase circuit for use in, for example, an electric motor. The safety unit comprises three semi-conducting components (1, 2, 3) each of which has a first terminal (4, 6, 8) and a second terminal (5, 7, 9). The safety unit also comprises a support (10) having three contact pins (11, 12, 13) as well as an insertive module (14). The components are secured to the support and electrically contact one of the contact pins (11, 12, 13) via the first terminals (4, 6, 8). Desired electric interconnections between the terminals are established by means of the insertive module (14) via receptive apertures in the support. Such a safety unit exhibits a great sturdiness and a high electrical safety. In addition, the use of specially constructed insertive modules enables a "star" configuration to be converted into a "delta" configuration, and conversely, in a simple manner.

REFERENCES:
patent: 4333119 (1982-06-01), Schoenmeyer
patent: 5010438 (1991-04-01), Brady

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