Electrical & Electronic Symbols

Fuses and Electrical Protection Symbols

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.

Symbols of Fuses and Electrical Protections
Symbol Description Symbol Description
Fuse symbol Fuse, IEEE / ANSI system
Generic symbol
+ Info		   Circuit Breaker / Fuse symbol Circuit Breaker
+ Info
Fuse symbol Fuse   Threaded circuit breaker symbol Threaded circuit breaker
Fuse symbol Fuse   Unipolar circuit breaker symbol Unipolar circuit breaker
Fuse symbol Fuse - IEC system   Bipolar circuit breaker symbol Bipolar circuit breaker
Fuse symbol Fuse, IEEE / ANSI system   Three-pole circuit breaker symbol Three-pole circuit breaker
Fuse symbol Fuse   Circuit Breaker cartridge symbol Circuit Breaker cartridge
Low speed fuse symbol Low speed fuse
+ Info		   Circuit breaker isolator symbol Circuit breaker isolator
High speed fuse symbol High speed fuse   Circuit breaker isolator horns symbol Circuit breaker isolator horns
Resistor protection symbol Protection resistor   Symbol of Oil fuse for high voltages Fuse oil for high voltages
Resistor protection symbol Protection resistor   Symbol of Oil fuse for high voltages Oil fuse for high voltages
Thermal cutoff fuse symbol Thermal fuse
Thermal cutoff
+ Info		   Fuse switch symbol Fuse switch
Switch with built-in fuse
Disconnector / Isolator switch symbol Disconnector
Isolator switch
+ Info		   Disconnector Isolator switch contactor symbol Disconnector
Fuse switch (load-break)
Fuse with striker symbol Fuse with striker   Fuse with alarm contact symbol Fuse with alarm contact
Fuse with alarm contact symbol Fuse with alarm contact   Fuse with separate alarm contact symbol Fuse with separate alarm contact
Fuses 3 linked symbol Set of 3 fuses linked together, with automatic release by the striker of one of them   Symbol of the wide side is the side of the network that is active upon merge The wide side is the side of the network that is active upon melting

Other Symbols of Electrical Protection Devices
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Circuit breaker symbol Circuit breaker
+ Info		   Circuit breaker symbol Circuit breaker
+ Info(Types)
Circuit breaker symbol, non drawout Circuit breaker
Molde case, non drawout		   Circuit breaker symbol, non drawout Circuit breaker - ANSI System
Non drawout
Circuit breaker symbol Circuit breaker
Molde case, drawout		   Drawout cirucit breaker symbol Drawout cirucit breaker
Thermal switch symbols Thermal switch
Overload thermal
+ Info		   Electric spark / igniter for cord delimiter symbol Electric spark gap / Protective gap
+ Info
Surge Arrester / Gas discharge tube symbol Surge Arrester
Gas discharge tube
+ Info		   Electric spark gap / igniter for cord delimiter symbol Electric spark gap
Double Electric spark symbol Double Electric spark gap   Electric spark gap / igniter for cord delimiter symbol Electric spark gap
Lightning arrester symbol Lightning arrester
Surge protection / surge diverter
+ Info		   Lightning arrester symbol Lightning arrester
Surge Protection / surge diverter
Telephone line protector symbol Telephone line protector   lightning rod symbol Lightning rod
+ Info
Delay symbol Delay   Network protector symbol Network protector
+ Info
Thermostat symbol Thermostat
+ Info		   Thermal switch symbol Thermal switch
+ symbols
Picture gallery of fuses and electrical protection
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