Basic surge protector

Details Basic surge protector Basic surge protector

1997-12-18

2000-12-05

Gaffin, Jeffrey

Electricity: electrical systems and devices

Safety and protection of systems and devices

Transient responsive

361 56, 361103, 361118, H02H 900

Patent

active

061575291

ABSTRACT:
The specification discloses a Basic Surge Protector for protecting an electrical equipment connected on its load side from spurious or excessive transient voltages or surges or both on an electrical line above a predetermined value, on its line side or its hot side. Intended for use in ac circuits, dc circuits and ac/dc circuits. A fuse is used to monitor a fault current flowing into a surge voltage suppression device, due to an excessive voltage across the suppression device. Thus the fuse blows resulting from an over-current condition, and it disables and opens a solid state switch or an electro mechanical switch mounted in series in the line thus protecting the secondary or the load side from over-voltages and transient surges on the electrical line. Circuits are also disclosed which provide for automatic setting and resetting after an over-voltage fault condition on the line being protected. The lightning and surge protection as provided by this invention may also be rendered into a single chip solid state device.

REFERENCES:
patent: 4354217 (1982-10-01), Mahon
patent: 4587588 (1986-05-01), Goldstein

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