Lenze MDxMA-MHxMA-MFxMA-MDERA-MHERA Three-phase AC motors - Manual (Page 35)

Electrical installation
Wiring according to EMC
Brake connection
6
l
35 BA 33.0005−EN 2.0
Temperature monitoring
Terminal strip / terminal board
Meaning Designation in accordance with EN 60034−8 Note
Thermal contact TCO
TB1 Max. 250 V~
Max. 1.6 A~
TB2
PTC thermistor
TP1
TP2
Thermal sensor +KTY R1
Observe polarity
Thermal sensor −KTY R2
Terminal board or terminal possible for all thermal sensors
Blowers via blower terminal box / motor terminal box
External blower 3~
Terminal
board/terminal Meaning Note
U1 Connection to L1 − mains
Observe direction of rotation! In case of
incorrect rotation, interchange L1 − L2
V1 Connection to L2 − mains
W1 Connection to L3 − mains
External blower 1~
Terminal board /
terminal Meaning Note
U1 Connection to L1− mains
V1 / U2 Connection to N − mains
6.3.2 Brake connection
Terminal Meaning Add−on
~ AC−excited brake (rectifier) Connection to L1 − mains
~
M
3~
Connection to N − mains
+ Brake connection
− Brake connection
Switching contact, DC switching
BD1 Brake, DC operated DC connection
BD2
MS1
Brake microswitch, release control Two−way switch (black)
MS2 NC contact (brown)
MS4 NO contact (blue)
MS1 Brake microswitch, wear control Two−way switch (black)
MS2 NC contact (blue)
MS4 NO contact (brown)
MS1 Brake microswitch, manual release Two−way switch (black)
MS2 NC contact (blue)
MS4 NO contact (grey)