Siemens SIPROTEC 5 Hardware Description Manual page 35

UL Note
Type 1 if mounted into a door or front cover of an enclosure.
When expanding the device with the 2nd device row, then they must be mounted completely inside an
enclosure.
Tightening Torques for Terminal Screws
Type of Line
Stranded wires with ring-
type lug
Stranded wires with boot-
lace ferrules or pin-type
lugs
Solid conductor, bare
(2 mm 2 )
Bare stranded wire
NOTE
i
i
For current and voltage terminals, the maximum speed of the tool must not exceed 640 rpm.
NOTE
i
i
Use copper cables only.
Torques for Other Screw Types
Screw Type
M4 x 20
M4 x 8
M2.5 x 6
Countersunk screw, M2.5 x 6
Countersunk screw, M2.5 x 8
Collar screw, M4 x 20
SIPROTEC 5, Hardware Description, Manual
C53000-G5040-C002-F, Edition 06.2019
Current Terminal
(also see Figure 5-22)
2.7 Nm
2.7 Nm
2.0 Nm
Not permitted
Voltage Terminal with
Spring-Loaded Terminals
(also see Figure 5-22)
No ring-type lug
1.0 Nm
1.0 Nm
1 Nm
Torque
1.2 Nm
1.2 Nm
0.39 Nm
0.39 Nm
0.39 Nm
0.7 Nm
Technical Data
6.13 Design Data
Voltage Terminal with
Screw Connection
(also see Figure 5-23)
No ring-type lug
0.6 Nm
–
0.6 Nm
231