5
Electrical installation
Prefabricated cables for two-cable technology
Operating Instructions – CM3C63 – 100
73
Brakemotor cable ../SB.. for /BZ brakes
Design
Motor side
Inverter side
Fixed in-
stallation
Cable car-
rier installa-
tion
Cable type
Connector type/
size
Cable cross sec-
tion
Connector type/
size
Part number
Brakemotor
cable BZ..
brake
SB1 / M23
SpeedTec
4 × 1.5 mm
2
+ 3 × 1
mm
2
Open end
28125339
28125347
4 × 2.5 mm
2
+ 3 × 1
mm
2
28125355
28125363
4 × 4 mm
2
+ 3 × 1
mm
2
28125371
28125398
SBB / M40
SpeedTec
4 × 6 mm
2
+ 3 ×
1.5 mm
2
28125401
28125428
4 × 10 mm
2
+ 3 × 1.5
mm
2
28125436
28125444
4 × 16 mm
2
+ 3 × 1.5
mm
2
28125452
28125460
Connection
Motor side
Inverter side
Contact
Signal
Core color
Conductor color
IEC 60757
Identification
Assembly
Description
M23
M40
A
2
–
–
–
–
–
–
B
1
Brake
Black
BK
BK (2)
Prefabricated
Brake con-
nection 14
C
+
Brake
Black
BK
BK (1)
Prefabricated
Brake con-
nection 13
D
-
Brake
Black
BK
BK (3)
Prefabricated
Brake con-
nection 15
1
U
U
Black
BK
U/L1
Not prefabricated
Motor con-
nection
phase U
2
PE
PE
Green/yel-
low
GNYE
–
Not prefabricated
PE connec-
tion
3
W
W
Black
BK
W/L3
Not prefabricated
Motor con-
nection
phase W
26870460/EN – 05/2021