Electrical installation
Screwed connections on the terminal box
Power connections on the terminal board
6
30
Lenze ¯ BA 33.0005 ¯ 5.0
6.4.1 Power connections on the terminal board
Motor
Single−rotation motors Pole−changing motors
UD
MT_MXXXX_001.iso/dms
Dual−voltage motors Legend
U
UU
L1/L2/L3 Power connection
TB1/TB2 Thermal contact (TKO)
Low speed
High speed
UU Low voltage
U High voltage
PE connection (optional)
Temperature monitoring
Terminal strip / terminal board
Contact Meaning Note
TB1
Thermal contact − TCO
Max. 250 V~
Max. 1.6 A ~
TB2
TP1
PTC thermistor
TP2
R1 Thermal sensor +KTY
Observe polarity
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 Note
U1 Connection to L1 − mains
Observe direction of rotation! In case of wrong direction of
rotation, L1 − L2 must be interchanged
V1 Connection to L2 mains
W1 Connection to L3 mains
Separate fan 1~
Terminal board
Contact Meaning Note
U1 Connection to L1 mains
V1 / U2 Connection to N − mains
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