Power Connections On The Terminal Board - Lenze M MA Series Operating Instructions Manual

6 Electrical installation
Screwed connections on the terminal box

Power connections on the terminal board

6.4.1 Power connections on the terminal board
Motor
Single−rotation motors
U D
Dual−voltage motors
U
UU
Temperature monitoring
Terminal strip / terminal board
Contact Meaning
Thermal contact − TCO
TB1
TB2
TP1 PTC thermistor
TP2
R1 Thermal sensor +KTY
R2 Thermal sensor −KTY
Terminal board or terminal possible for all thermal sensors.
Blowers via blower terminal box / motor terminal box
Blower 3~
Terminal board
Contact Meaning
U1 Connection to L1 − mains
V1 Connection to L2 mains
W1 Connection to L3 mains
Separate fan 1~
Terminal board
Contact Meaning
U1
V1 / U2
30
Pole−changing motors
0
Legend
L1/L2/L3 Power connection
TB1/TB2 Thermal contact (TKO)
0
Low speed
1
High speed
UU
Low voltage
U
High voltage
+
PE connection (optional)
Note
Max. 250 V~
Max. 1.6 A ~
Observe polarity
Note
Observe direction of rotation! In case of wrong direction of
rotation, L1 − L2 must be interchanged
Note
Connection to L1 mains
Connection to N − mains
1
MT_MXXXX_001.iso/dms
Lenze ¯ BA 33.0005 ¯ 5.0