Terminal apparatus and a batch inserting type test plug for a dr

Details Terminal apparatus and a batch inserting type test plug for a dr Terminal apparatus and a batch inserting type test plug for a dr

1982-07-30

1984-10-09

Eisenzopf, Reinhard J.

Electrical transmission or interconnection systems

Conductor arrangements or structure

307149, 339255R, 339259R, H02J 1300, H01R 1352

Patent

active

044764006

ABSTRACT:
A terminal apparatus and a batch inserting type test plug for a horizontal type case drawer protective relay allows for easy measuring and testing of a plurality of poles. The terminal apparatus has an inspection window on a front surface of upper and lower terminal boards which allows visual observation of a short bar, a stopping board, and a triangular contact on an end of a contact piece in the terminal apparatus which allows one to visually inspect a short-circuit state of a current transformer secondary side of the terminal apparatus. The test plug has a plurality of electrode plates with conduction plates thereon, the electrode plates being arranged in a line so that a width line of the electrode plates interconnecting the conduction plates is perpendicular to the line of the electrode plates so that a length of the test plug handle is compact. Also, a plurality of terminal knobs are arranged in a zigzag pattern so that an arrangement order of the electrode plates can easily be determined visually.

REFERENCES:
patent: 3692966 (1972-09-01), Lancaster
patent: 3860321 (1975-01-01), Ball
patent: 4042832 (1977-08-01), Cassarino, Jr. et al.
Relay Test System COMBITEST (catalogue RK 92-11E), Jul. 3, 1975.
XRT type test plug, Toshiba, KSA 61126, 1975.

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