SPRING 3Y2806 - Caterpillar

Electric Power Generation: AllIntroduction
This special instruction is a cross-reference for symbols that are used on European electrical schematics and US electrical schematics.Symbols
Ammeter
European
US Arc Suppressor
European - AC
US - AC
European - DC
US - DC
European - AC and DC
US - AC and DC Battery
European
US Bell
European
US Binistor
European
US Bridge Rectifier
European
US Buzzer
European
US Capacitor
European
US
European - Adjustable (Variable)
US - Adjustable (Variable)
European - Polarized Electrolytic
US - Polarized Electrolytic Circuit Breaker
European OR
European
US OR
US OR
US Circuit Interrupter
European
US Cold Cathode Volt Regulator
European
US Conductors
European - Not Connected
US - Not Connected
European - Connected
US - Connected Core of Square Loop Material
European
US Current Source
European - AC
US - AC
European - DC
US - DC Differential Syncro
European
US Diode
European - Bidirectional Breakdown Diode
US - Bidirectional Breakdown Diode OR
US - Bidirectional Breakdown Diode
European - Electro-Vacuum Diode
US - Electro-Vacuum Diode
European - Light Emitting Diode (LED)
US - Light Emitting Diode (LED)
European - Rectifier Diode
US - Rectifier Diode
European - Tunnel Diode
US - Tunnel Diode
European - Varicap Diode
US - Varicap Diode
European - Zener Diode
US - Zener Diode Disconnect
European
US Flow Switch
European - Closed
US - Closed
European - Open
US - Open Fuses
European
US OR
US Ground
European OR
European
US
European - Chassis
US - Chassis Heating Element
European OR
European OR
European
US OR
US Horn, Siren, Etc.
European
US Ignitron
European
US Limit Switch
European - Normally Closed
US - Normally Closed
European - Normally Open
US - Normally Open
European - Held Closed
US - Held Closed
European - Held Open
US - Held Open
European - Maintained Position
US - Maintained Position
European - Actuated Neutral Position
US - Actuated Neutral Position
European - Neutral Position
US - Neutral Position Meter Shunt
European
US Motor
European - DC
US - DC
European - Three-Phase
US - Three-Phase Motor Field (DC)
European
US Neon Light
European - AC
US - AC
European - AC with Internal Resistance
US - AC with Internal Resistance
European - DC
US - DC Non-Plug
European
US Pentode
European
US Photodiode
European
US Photosensitve Cells
European - Asymmetrical Cells
US - Asymmetrical Cells
European - Symmetrical Cells
US - Symmetrical Cells Phototube
European
US Pilot Light
European
US
European - Push-to-Test
US - Push-to-Test Plug and Receptacle (Connector)
European
US Plugging
European
US
European
US Plugging With Lockout Coil
European
US Potentiometer
European OR
European
US OR
US Pressure Switch
European
US - Closes on rising pressure OR
US - Opens on rising pressure OR
US OR
US Reactor
European - Air Core OR
European - Air Core
US - Air Core
European - Iron Core
US - Iron Core
European - Adjustable Iron Core OR
European - Adjustable Iron Core
US - Adjustable Iron Core
European - Saturable Core OR
European - Saturable Core
US - Saturable Core OR
US - Saturable Core
European - Magnetic Amplifier Winding
US - Magnetic Amplifier Winding Relay
European - Normally Closed
US - Normally Closed OR
US
European - Normally Open
US - Normally Open OR
US Relays, Timers, ETC.
European
US Resistor
European
US
European - Symmetrical Nonlinear Resistor
US - Symmetrical Nonlinear Resistor
European - Tapped Resistor
US - Tapped Resistor Rheostat
European OR
European
US OR
US Rotary Selector
European - Bridging Contact OR
European - Bridging Contact
US - Bridging Contact OR
US - Bridging Contact
European - Non-Bridging Contact OR
European - Non-Bridging Contact
US - Non-Bridging Contact OR
US - Non-Bridging Contact Shielded Cable
European
US Silicon Controlled Rectifier
European
US Solenoid
European
US OR
US
European - Two-Position Hydraulic Solenoid
US - Two-Position Hydraulic Solenoid
European - Two Position Lubrication Solenoid
US - Two-Position Lubrication Solenoid Switch
European - Cable Operated Switch
US - Cable Operated Switch
European - Emergency Switch
US - Emergency Switch
European - Fluid Level Switch (Closed)
US - Fluid Level Switch (Closed)
European - Fluid Level