Siemens SIPROTEC 5 Hardware Description

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 –
i
i
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
SIPROTEC 5, Hardware Description, Manual 213
C53000-G5040-C002-C, Edition 10.2017

Siemens SIPROTEC 5 Specifications

General

Brand	Siemens
Model	SIPROTEC 5
Category	Controller
Language	English