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.

Symbology of Fuses and Electrical Protection

Symbol Description Symbol Description
Fuse symbol Fuse, IEEE / ANSI system
Generic symbol
  Circuit Breaker / Fuse symbol Circuit Breake
Fuse
Generic symbol
Fuse symbol Fuse   Circuit breaker / Fuse threaded symbol Circuit breaker
Fuse threaded
Fuse symbol Fuse   Circuit Breaker / Fuse unipolar symbol Circuit Breaker
Fuse unipolar
Fuse symbol Fuse, IEC system   Circuit Breaker / Fuse bipolar symbol Circuit Breaker
Fuse bipolar
Fuse symbol Fuse, IEEE / ANSI system   Circuit breaker / Fuse three poles symbol Circuit breaker
Fuse three poles
Fuse symbol Fuse   Circuit Breaker / Fuse cartridge symbol Circuit Breaker
Fuse cartridge
Fuse slow operation symbol Fuse slow operation   Circuit breaker isolator symbol Circuit breaker isolator
Fuse fast operation symbol Fuse fast operation   Circuit breaker isolator horns symbol Circuit breaker isolator horns
Resistor protection symbol Protection resistor   Symbol of the fuse oil for high voltages Fuse oil for high voltages
Resistor protection symbol Protection resistor   Symbol of the fuse oil for high voltages Fuse oil for high voltages
Thermal fuse symbol Thermal fuse
Thermal cutoff
  Switch with built-in fuse symbol Switch with built-in fuse
Fuse isolator symbol Fuse isolator   Fuse isolator contactor symbol Fuse isolator contactor
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 Fuses 3 linked together with automatic release of the striker one   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 merge

Other Symbols of Electrical Protection Devices

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Thermal circuit breaker symbol Thermal circuit breaker   Thermal circuit breaker symbol Thermal circuit breaker
Circuit breaker symbol, non drawout Circuit breaker
Molde case, non drawout
  Circuit breaker symbol, non drawout Circuit breaker
Non drawout
Circuit breaker symbol Circuit breaker
Molde case, drawout
  Circuit breaker symbol Circuit breaker
Drawout
Thermal cutoff symbols Thermal cutoff   Spark / igniter for cord delimiter symbol Spark
Igniter for cord delimiter
Spark tube gas symbol Spark tube gas   Spark / igniter for cord delimiter symbol Spark
Igniter for cord delimiter
Double spark symbol Double spark   Spark / igniter for cord delimiter symbol Spark
Igniter for cord delimiter
lightning rod symbol lightning rod
Surge rotection
Overvoltage shunt
  lightning rod symbol lightning rod
Surge Protection
Overvoltage shunt
Telephone line protector symbol Telephone line protector   lightning rod symbol lightning rod
Delay symbol Delay   Protector network symbol Protector network
Thermostat symbol Thermostat   Thermal switch symbol Thermal switch
+ symbols
Picture gallery of fuses and electrical protection
Symbols of sensors and detectors
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