Star-delta starting components

The number 1 indicates

• Over load relay

• Stop push button

• Start push button

The number 2 indicates

• Start push button

• Stop push button

• The main contactor coil

The number 3 indicates

• The main contactor coil

• Normally closed point at contactor 1

• Start push button

The number 4 indicates

• The timer coil

• Normally closed point at contactor 1

• The main contactor coil

The number 5 indicates

• The timer coil

• Normally closed point at contactor 1

• Normally closed point at contactor 2

The number 6 indicates

• The timer coil

• Normally open point at contactor 3

• Normally closed point at contactor 2

The number 7 indicates

• Normally closed point at contactor 2

• Normally open point at contactor 3

• Normally closed point at the timer

The number 8 indicates

• The delta contactor coil

• Normally open point at contactor 3

• Normally closed point at the timer

The number 9 indicates

• The delta contactor coil

• The timer coil

• Normally closed point at the timer

The number 10 indicates

• The delta contactor coil

• The timer coil

• The main contactor coil