Power connection
Wiringforsinglespeed
Motors up to 2.2 kW are generally started DOL,
from 3 kW as in star-delta formation.
Winding wiring diagram
Terminal block wiring
Δwiring
Y wiring
Y/Δswitch
The winding cores are
terminated at the
Y/
Δ switch
Wiringfortwospeeds
(2 separate windings)
Wiring for 1000/1500 rpm or 750/1000 rpm, for example
Low speed
High speed
Contactor control Pole change over switch
Wiringfor2speedsinratio1:2
(winding as Dahlander pole changing circuit)
Wiring for 1500/3000 rpm or 750/1500 rpm, for example
Low speed
High speed
Contactor control Pole change over switch
Use Windings for stepped output in accordance with a torque sequence
for fan drive
Wiringforthreespeeds
(2 separate windings, 1 as Dahlander pole changing circuit)
Wiring for fan drives 500/1000/1500 rpm or 500/1000 rpm
as Dahlander pole changing circuit.
Winding
Contactor control Pole change over switch
or
Wiringforthreespeeds
(2 separate windings, 1 as Dahlander pole changing circuit)
Wiring for fan drives 750/1000/1500 rpm or 750/1500 rpm
as Dahlander pole changing circuit.
Contactor control Pole change over switch
Winding
or