Connection Information - Siemens 7MB3000 Series Operating Instructions Manual

Equipotential bonding
Operating the device without connection of the equipotential bonding can result in injury
and/or material damage and harm to the environment.
• Connect the device to equipotential bonding.
8.2.2

Connection information

Note
Insulation of external connections
The insulation of the external connections against the power inlet for proper operation of the
device with a rated voltage up to 300 V is designed for 3000 V AC.
Note
Connection requirements
The power cable must comply with the valid regulations and conditions for the place of
installation and be provided with a protective conductor at the potential of the enclosure. The
cross-section of each wire must be ≥1 mm
NOTICE
Cable glands for the wall-mounted device
• Match the diameters of the cables to the terminal areas of the cable glands.
• After installation, make sure that the cables are secure and that the seals are in the correct
Note
Terminal ranges of the cable glands
Use cables matched to the terminal ranges of the cable glands:
• Cable gland M16 x 1.5 (plastic): Terminal range 5 to 10 mm
• Cable gland M16 x 1.5 (metal): Terminal range 6 to 10 mm
• Cable gland M20 x 1.5 (plastic/metal): Terminal range 10 to 14 mm
Wall-mounted device
Operating Instructions, 07/2023, A5E31930403-AB
CAUTION
position.
(AWG 17).
2
Connecting the device
8.2 Electrical connections
105