Siemens SIMOTICS S-1FT7 - Page 385

Electrical connection
8.3 System integration
S-1FT7 synchronous motors
Configuration Manual, 09/2018, A5E45099423B AA
383
Terminal diagram terminal box GK 843
1, 2, 3
Main terminals U, V, W
4, 5
Brake connection (optional), 4 = BD1+, 5 = BD2-
6
Ground connection
Figure 8-6 Terminal box GK 843
Table 8- 13 Terminals for the terminal box GK 843
Terminal box type
GK 843
Cable entry
3 x M50 x 1.5 / 1 x M16 x 1.5
Max. outer cable diameter
1)
38 mm
RMS current per terminal
2)
125 A
Number of main terminals U, V, W
3 x M6
Max. cross-section per terminal
1 x 50 mm
2
Ground connection
M6
Tightening torque [Nm]
2.7 - 4
Brake connection
3)
1.5 mm
2
1)
Depends on the seal used
2)
Data according to DIN EN 60204-1 (installation type C, ambient temperature 40 °C)
3)
BD1+/BD2- (terminal strip, only for versions with brake)
See also
Selection based on the article number (Page 33)