Lenze MDFQA Operating Instructions Manual de usuario Pagina 33

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Electrical installation
Terminal box
Cable glands for the fan terminal box
6
EN
33
Lenze ¯ BA 33.0006 ¯ 3.0
Cable glands for the fan terminal box
Motor type/size Screwed connection
MCA/MQA 20
1 x M 16 x 1.522
26
6.4.1 Power connections
MCA; MCS, MQA 20...22, MDLKS, SDSGA, SDSGS
Terminal Standard description Meaning
PE PE conductor
U
V
W
U
V
W
Motor winding phase U
Motor winding phase V
Motor winding phase W
TP1
TP2
TP1
TP2
PTC thermistor
TB1
TB2
TB1
TB2
Thermostat
Thermal NC contact
MCA 26, MQA 26, MDFQA 160
Terminal Standard description Meaning
PE PE conductor
1
2
3
U1
V1
W1
Start of winding phase U
Start of winding phase V
Start of winding phase W
4
5
6
W2
U2
V2
End of winding phase W
End of winding phase U
End of winding phase V
Star connection Delta connection
L1
L2
L3
PE
(W1)
(U1)
(V1)
(W2)
(U2)
(V2)
1
2
3
4
5
6
L1
L2
L3
PE
(W1)
(U1)
(V1)
(W2)
(U2)
(V2)
1
2
3
4
5
6
6.4.2 Holding brake DC 205 V − connected via rectifier (optionl)
Terminal Standard description Meaning
~ BA1
Connection to L1 −
mains
AC−excited brake (rectifier)
~ BA2
Connection to N −
mains
M
3~
L1
N
+ BD1 (factory−set wiring)
Connection of
holding brake +
BD2 (factory−set wiring)
Connection of
holding brake −
Switching contact, DC switching
6.4.3 Holding brake DC 24 V (optional)
Terminal Standard description Meaning
BD1
BD2
BD1
BD2
Holding brake +
Holding brake −
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