Installation and Connection
3.3.5 Symbols
Electrical connection between
two signals
Connection terminals
Relay or contactor coil
3
Normally open contact (NO)
Indicator light
Circuit-breaker
(opens under load)
Resistor
Capacitor
24 | SSW-08
Fuse
Thyristor/SCR
Three-phase motor
M
3~
Emergency button
Transformer
N.O Contact (with retention)
Normally closed (NC)
push-button
Normally open (NO)
push-button
Circuit-breaker with
undervoltage release