Studer NEXT3 User Manual

Studer Innotec SA
next3
26 V 1.3 © Studer-Innotec SA next3 Tech manual
5.1.4 Tightening torques
The tightening torque of different connection points should be checked regularly, especially in
installations exposed to strong vibrations (mobile systems, vehicles, boats, …). The table below states
the recommended tightening torques for each connection:
Connection
Torque
AC connector
• AC-Source
• AC-Loads
• AC-Flex
4Nm
Earthing PE connection
4Nm
Battery DC screws
10 Nm
Fixing belt
4Nm
Plastic cover
1Nm
PV connection
Sunclix connectors provided
Panel mounting accessories
on nx-interface
0.2Nm
5.1.5 Max permissible cable cross-sections summary
The maximum permissible cable cross-section for each connection is defined by the size of the
corresponding cable gland, which is indicated in the below table:
NX3
Max Section AC [mm2]
/ Cable gland
5x25 / M40
Max -Min Section DC
[mm2]
/ Cable gland
2x 95 - 2x 70 / M32
Max section auxiliary relay,
digital input, CAN and
RS485 [mm2]
2,5
Max PV cable [mm2] for
Sunclix
6
An annual check of all the connection tightness is recommended.
In mobile installations, the connection tightness should be checked more often.

Studer NEXT3 Specifications

General

Brand	Studer
Model	NEXT3
Category	Industrial Equipment
Language	English