CHAPTER 3 - INSTALLATION AND CONNECTION
67
Electrical connection between
two signals
Connection Terminals
Coil - Relay, Contactor
Normally Open Contact (NO)
Indicator light
Circuit-breaker
(opens under load)
Resistor
Capacitor
3.3.13 Symbols
Fuse
Thyristor/SCR
Three-phase Motor
Emergency Button
Transformer
N.O. Contact (with retention)
Normally Closed (NC) Push-button
Normally Open (NO) Push-button
Circuit-breaker with under voltage
release
M
3~