Wiring diagram symbols

These symbols are used in the wiring diagrams to represent elements of the plasma cutting system and torch.

battery symbol Battery ground clamp symbol Ground clamp receptacle symbol Receptacle
polarized cap symbol Cap, polarized ground chassis symbol Ground, chassis relay coil symbol Relay, coil
non- polarized cap symbol Cap, not polarized earth ground Ground, earth typically closed relay symbol Relay, normally closed
cap feed through symbol Cap, feed-through IGBT Insulated-gate Bipolar Transistor (IGBT) normally open relay Relay, normally open
circui breaker symbol Circuit breaker inductor symbol Inductor solid state relay symbol (Alternating Current) Relay, solid state, AC
COAX cable symbol Coax shield LED symbol Light Emitting Diode (LED) Direct Current solid state relay symbol Relay, solid state, DC
Current sensor symbol Current sensor lamp symbol Lamp solid state relay symbol Relay, solid state
current sensor symbol Current sensor MOV sensor symbol MOV resistor symbol Resistor
Direct Current supply symbol DC supply Pin symbol Pin SCR symbol SCR
Diode symbol Diode socket symbol Socket shield symbol Shield
door interlock symbol Door interlock plug symbol Plug shunt symbol Shunt
fan symbol Fan PNP transistor symbol PNP transistor spark gap symbol Spark gap
feed-through symbol Feed-through LC potentiometer symbol Potentiometer switch flow symbol Switch, flow
Alternating Current filter symbol Filter, AC normally closed push button symbol

Push button, normally closed

 level switch normally closed symbol

Switch, level, normally closed
fuse symbol Fuse normally closed push button symbol

Push button, normally open

 Switch, pressure, normally closed

Switch, pressure,

normally open

Time delay open,

NO/off

 solenoid valve symbol Valve, solenoid
1 pole throw switch symbol Switch, 1 pole, 1 throw time delay switch

Time delay open, NC/on

 voltage source symbol Voltage source
1 pole, 2 throw switch symbol Switch, 1 pole, 2 throw closed time delay symbol

Time delay closed, NO/off

 zener diode symbol Zener diode
1 pole 2 throw, center off switch symbol Switch, 1 pole, 2 throw, center off transformer symbol Transformer

Switch, temperature,

normally closed

 Transformer, air core
Temperature switch normally open

Switch, temperature, normally open

 coil transformer symbol Transformer, coil
terminal block symbol Terminal block triac symbol Triac
Time delay closed, NC off symbol

Time delay closed, NC/off

 VAC source symbol VAC source

Torch symbols

This image shows the electrode symbol.
Electrode
This image shows the nozzle symbol.
Nozzle
This image shows the shield symbol.
Shield
This image shows the torch symbol.
Torch
This image shows the HyDefinition torch symbol.
Torch, HyDefinition