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In electrical distribution, a fuse cutout or cut-out fuse (often referred to as a cutout) is a combination of a fuse and a switch, used in primary overhead feeder lines and taps to protect distribution transformers from current surges and overloads. An overcurrent caused by a fault in the transformer or customer circuit will cause the fuse to ...
An assortment of thermal fuses. A thermal cutoff is an electrical safety device (either a thermal fuse or thermal switch) that interrupts electric current when heated to a specific temperature. These devices may be for one-time use (a thermal fuse), or may be reset manually or automatically (a thermal switch).
In electrical engineering, IEC 60269 is a set of technical standards for low-voltage power fuses. [1] The standard is in four volumes, which describe general requirements, fuses for industrial and commercial applications, fuses for residential applications, and fuses to protect semiconductor devices.
On a 3-phase circuit, a recloser is more beneficial than three separate fuse cutouts. For example, on a wye to delta conversion, when cutouts are used on the wye side and only 1 out of 3 of the cutout fuses open, some customers on the delta side have a low voltage condition, due to voltage transfer through the transformer windings. Low voltage ...
A time-delay fuse (also known as an anti-surge or slow-blow fuse) is designed to allow a current which is above the rated value of the fuse to flow for a short period of time without the fuse blowing. These types of fuse are used on equipment such as motors, which can draw larger than normal currents for up to several seconds while coming up to ...
Typical North American utility pole, showing hardware for a residential 240/120 V split-phase service drop: (A,B,C) 3-phase primary distribution wires (mounted on a crossarm), (D) neutral wire, (E) fuse cutout, (F) lightning arrestor, (G) single-phase distribution transformer, (H) ground wire to transformer case, (J) "triplex" service drop ...
Cutout (electric power distribution), a combination fuse and knife switch used on power poles; Cutout (espionage), a mechanism used to pass information; Cut-out (philately), an imprinted stamp cut from an item of postal stationery; Cut-out (recording industry), deeply discounted or remaindered recordings; Cut out of a scene to make a film ...
This is the patented Schultz dropout fuse cutout. All of the defendants in this case are manufacturers of electrical devices, the most important of which for purposes of this case are dropout fuse cutouts, which are devices for breaking electrical power circuits. The defendants engaged in a conspiracy to fix the prices of these devices.