SMA SUNNY BOY 3.0-US Instructions D'installation page 44

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6 Electrical Connection
13.
Risk of fire due to connecting the conductors to the clamping contacts
By connecting the conductors to the clamping contacts a fire can occur.
• Make sure that the conductors are
connected to the round terminals and not
to the square clamping contacts.
14. Ensure that the correct conductors are assigned to the round terminals.
15. Ensure that the conductors are plugged completely into the round terminals up to the
insulation.
Connect the switch for secure power supply operation
Requirements for the conductors:
☐ The conductors with regards to its ampacity, rated temperatures, operating conditions and its
power loss must be made in accordance with the local standards and the National Electrical
®
Code
ANSI/NFPA 70 or the Canadian Electrical Code
☐ Conductor cross-section: 0.2 mm² to 2.5 mm² (24 AWG to 14 AWG)
☐ The conductor type and wiring method must be appropriate for the application and location.
Procedure:
1. Remove the sealing plug from the opening for connecting the switch for secure power supply
operation.
2. Insert the conduit fitting into the opening and tighten from the inside using the counter nut.
3. Attach the conduit to the conduit fitting.
4. Guide the conductors from the conduit into the inverter.
5. Strip off the conductor insulation by max. 10 mm (0.4 in).
6. Connect the conductors to the plug. When doing
so, ensure that the conductors are completely
plugged into the conduit entries up to their
insulation.
44
SB30-77-1SP-US-40-IA-xx-13
SMA Solar Technology America LLC
®
CSA C22.1.
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