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Fuse bodies may be made of ceramic, glass, plastic, fiberglass, molded mica laminates, or molded compressed fibre depending on application and voltage class. Cartridge fuses have a cylindrical body terminated with metal end caps. Some cartridge fuses are manufactured with end caps of different sizes to prevent accidental insertion of the wrong ...
The most common operating class is gG (general purpose, formerly gL), but other classes are available. A gG class fuse will typically blow within 2–5 seconds at five times the rated current, and within 0.1–0.2 seconds at ten times the rated current. Gauge rings and fuse indicators are colour coded for the nominal current:
Automotive fuses are a class of fuses used to protect the wiring and electrical equipment for vehicles. They are generally rated for circuits no higher than 32 volts direct current , but some types are rated for 42-volt electrical systems .
Fuse (automotive), a class of fuses for vehicles; Fuse (hydraulic), a device used in hydraulic systems to protect against sudden loss of fluid pressure; Fuse (explosives) or fuze, the part of the device that initiates function; Fuze or fuse, a mechanism for exploding military munitions such as bombs, shells, and mines
The reference designator usually consists of one or two letters followed by a number, e.g. C3, D1, R4, U15. The number is sometimes followed by a letter, indicating that components are grouped or matched with each other, e.g. R17A, R17B. The IEEE 315 standard contains a list of Class Designation Letters to use for electrical and electronic ...
All other ratings are to be coloured black. Most common in consumer retail outlets are fuses rated 3, 5 and 13 A; Professional suppliers also commonly stock fused rated 1, 2, 7, and 10 A. Fuses are mechanically interchangeable; it is up to the end-user or appliance manufacturer to install the appropriate rating fuse.
A single fault could cause an electric shock or other dangerous occurrence, without triggering the automatic operation of any fuse or circuit breaker. Sales of such items have been prohibited in much of the world for safety reasons, for example in the UK by Section 8 of The Low Voltage Electrical Equipment (Safety) Regulations 1989 and New ...
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 ...