H - Electricity – 02 – H
Patent
H - Electricity
02
H
317/12.4
H02H 9/04 (2006.01) H01T 4/06 (2006.01)
Patent
CA 1131697
ABSTRACT OF THE DISCLOSURE An overvoltage protection device for wires, preferably telephone cables, comprises overvoltage arresters of the discharge tube type and clamping means for the wires. The clamping means are placed in a terminal block. The device is manufactured in such a manner that the overvoltage arresters are enclosed in a detachable cassette and so that the terminal box is pivotally mounted at one end to allow for insertion and removal of the cassette. The cassette comprises a number of spaces for the over- voltage arresters and a movable lock to retain and to release the overvoltage arresters as required.
345052
Ekdahl Per A.a.
Moller Fred L.
Marks & Clerk
Telefonaktiebolaget Lm Ericsson
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