1: Indicator Lamp/Pilot Lamp
2 : Digital Panel Meter
3 : Current Transformer / Protection Current Coil
4 : Power Capacitor
5 : Push Button Switch
6 : Selector Switch
7 : Emergency Stop Switch
8 : Limit Switch
9 : Power Factor Regulator / Power Factor Checking Meter
10 : Drop Cut Out
11 : Lighting Arrestor
13 : Solid State Relay
14 : Vacuum Circuit Breaker
15 : Load Break Switch
16 : Magnetic Contactor
17 : Thermal Overload Relay
18 : Molded Case Circuit Breaker
19 : Miniature Circuit Breaker
20 : Air Circuit Breaker