Telephone circuit sensitive station protector

Details Telephone circuit sensitive station protector Telephone circuit sensitive station protector

1980-05-19

1982-03-23

Salce, Patrick R.

Electricity: electrical systems and devices

Safety and protection of systems and devices

High voltage dissipation

361124, 337 33, H02H 322, H02H 904

Patent

active

043216501

ABSTRACT:
A protective module of the type used in building entrance terminals having substantially greater heat sensitivity than prior art types, thereby offering protection against sneak currents which are not sufficiently large to activate conventional solder pellet heat sensors. Use is made of a bobbin type heat sensor, the thermal inertia value of which may be varied to alter sensitivity.

REFERENCES:
patent: 3703665 (1972-11-01), Yereance et al.
patent: 3825867 (1974-07-01), Georgopulos
patent: 3947730 (1976-03-01), De Luca et al.

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