Connection diagrams
The circuit diagram on the motor is to be followed.
Single-speed – one pole
Y circuit
∆
circuit
Pole changing
Low rpm High rpm
Dahlander connection
Low rpm High rpm
Dahlander connection
ow rpm High rpm
L
1TP1-
1TP2
Pre-alarm PTC
U>2.5V not allowed
Use tripping device with
PTB number or
marking II (2)G
2TP1-
2TP2
Tripping PTC
1R1-R2 PT 100 resistance temperature sensor
HE1-
HE2
Space heater
