Siemens Siprotec 5 7SS85 Techical Data page 18

Technical Data
11.1 General Device Data
Maximum altitude above sea level
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
Litz wire with ring-type
lug
Stranded wires with boot-
lace ferrules or pin-type
lugs
Solid conductor, bare
(2 mm 2 )
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
562
Current Terminal
2.7 Nm
2.7 Nm
2.0 Nm
2000 m (6561.68 ft)
Voltage Terminal with
Spring-Loaded Terminals
No ring-type lug
1.0 Nm
1.0 Nm
Torque
1.2 Nm
1.2 Nm
0.39 Nm
0.39 Nm
0.39 Nm
0.7 Nm
SIPROTEC 5, Low-Impedance Busbar Protection 7SS85, Manual
C53000-G5040-C019-6, Edition 06.2016
Voltage Terminal with
Screw Connection
No ring-type lug
0.6 Nm
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