Fuses are devices containing a small piece of special wire that melts when the intensity of the current flowing through it for a certain period of time exceeds a set value, thus protecting the rest of the electrical circuit overloads.

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Fuse, IEEE
ANSI system
Generic symbol
Fuse
Fuse, IEEE
ANSI system
Low speed fuse
Protection resistor
Thermal fuse
Thermal cutoff
Fuse
Fuse
IEC system
Fuse
High speed fuse
Protection resistor
Disconnector
Isolator switch
Circuit Breaker
Unipolar circuit breaker
Three-pole circuit
breaker
Circuit breaker isolator
Fuse oil for high voltages
Fuse switch
Switch with built-in fuse
Threaded circuit breaker
Bipolar circuit breaker
Circuit Breaker cartridge
Circuit breaker isolator
horns
Oil fuse for high voltages
Disconnector
Fuse switch (load-break)

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Fuse with striker Fuse with alarm contact
Fuse with alarm
contact
The wide side is the side
of the network that is
active upon melting
Fuse with separate alarm
contact

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Circuit breaker
Circuit breaker
Molde case, drawout
Surge Arrester
Gas discharge tube
Lightning arrester
Surge protection
surge diverter
Delay
Circuit breaker
Molde case, non drawout
Thermal switch
Overload thermal
Double Electric
spark gap
Telephone line protector
Thermostat
Circuit breaker
Drawout cirucit breaker
Electric spark gap
Lightning arrester
Surge Protection
surge diverter
Network protector
Circuit breaker
ANSI System
Non drawout
Electric spark gap
Protective gap
Electric spark gap
Lightning rod
Thermal switch