Electrical Inspection; Device Protection; Grounding A Device; Connecting The Device - Siemens SWT 3000 Equipment Manual

1.4

Electrical Inspection

Device Protection

1.4.1
!
DANGER
Danger when connecting the device.
If you do not comply with the safety notes, this will result in death, severe injury, or considerable
material damage.
The device must be situated in the operating area for at least 2 hours before you connect it to the
²
power supply for the first time. This avoids condensation to occur in the device.
Perform the electrical inspection (refer to
²

Grounding a Device

1.4.2
The device has to be connected to the protective earthing conductor of the cabinet prior to commissioning.
!
CAUTION
The cross-section of the ground wire must be equal to or greater than the cross-section of any other control
conductor connected to the device. The cross-section of the ground wire must be at least 2.5 mm
(AWG14).
The following consequences can occur if the cross-section of the ground wire is not properly
installed:
- The device can be damaged.
- Touching the device can cause a flashover and health damage if the device is not sufficiently
grounded.
- A faulty activation can occur by undefined states.
The cross section of the ground wire and the laying of the wire must comply with the regulations
²
applicable for the place of installation.
Ground the device with solid low-resistance system grounding (cross-section ≥ 4.0 mm
area ≥ M4).

Connecting the Device

1.4.3
Connect all cables and lines. Use the connection diagrams stated in the Equipment Manual.
²
Tighten the terminal screws.
²
Smart Communication, SWT 3000 Teleprotection, Equipment Manual
C53000-G6040-C605-1, Edition 03.2020
1.4.5 Performing the Electrical
Safety Instructions
1.4 Electrical Inspection
Inspection).
2
2 , grounding
23