Degree of pollution, IEC 60255-27 2
Maximum operating altitude above sea level 2000 m (6561.68 ft)
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 Current Terminal
(also see Figure 5-22)
Voltage Terminal with
Spring-Loaded Terminals
(also see Figure 5-22)
Voltage Terminal with
Screw Connection
(also see Figure 5-23)
Stranded wires with ring-
type lug
2.7 Nm No ring-type lug No ring-type lug
Stranded wires with boot-
lace ferrules or pin-type
lugs
2.7 Nm 1.0 Nm 0.6 Nm
Solid conductor, bare
(2 mm
2
)
2.0 Nm 1.0 Nm –
Bare stranded wire Not permitted 1 Nm 0.6 Nm
NOTE
For current and voltage terminals, the maximum speed of the tool must not exceed 640 rpm.
NOTE
Use copper cables only.
Torques for Other Screw Types
Screw Type
Torque
M4 x 20 1.2 Nm
M4 x 8 1.2 Nm
M2.5 x 6 0.39 Nm
Countersunk screw, M2.5 x 6 0.39 Nm
Countersunk screw, M2.5 x 8 0.39 Nm
Collar screw, M4 x 20 0.7 Nm
Technical Data
6.13 Design Data
246 SIPROTEC 5, Hardware Description, Manual
C53000-G5040-C002-J, Edition 08.2020
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