2 connecting the cable shield contact, 3 connecting the communit supply voltage – SMA Communit-10 User Manual
Page 25

SMA Solar Technology AG
6 Electrical Connection
Installation Manual
Communit-IA-A1-en-22
25
2. Insert the conductor into the terminal up to the stop. Make sure that
no insulation is clamped in the terminal.
3. Remove the screwdriver.
6.3.2 Connecting the Cable Shield Contact
Connect the cable shield contact of each required cable in accordance with the following procedure.
Procedure:
1. Dismantle the data cable.
2. Completely unscrew the knurled screw of the shield clamping bracket. This forces the clamping legs apart.
3. Remove the shield clamping bracket. For this, tip the shield clamping bracket lightly to the side.
4. Fit the cable shield onto the shield bus.
5. Place the shield clamping bracket on the shield bus and cable
shield.
6. Tighten the knurled screw (torque: 0.5 Nm).
6.3.3 Connecting the Communit Supply Voltage
Cable requirements:
☐ The cable for the supply voltage must also include a grounding conductor.
☐ Number of conductors: 3
☐ Conductor cross-section for rigid cables: 0.08 mm
2
to 4 mm
2
☐ Conductor cross-section for flexible cables: 0.14 mm
2
to 2.5 mm
2
☐ The cable must be suitable for the local grid voltage.
Requirements:
☐ No supply voltage must be present.
☐ The cable for the supply voltage must be correctly inserted in the Communit (see Section 6.2 "Inserting the Cables