SMA Sunny Tripower CORE1-US Instructions D'installation page 30

6 Electrical Connection
Overview of the required length of the conductor inside the AC connection unit
Figure 8 : Interior view of the AC connection unit with dimensions for the conductors (dimensions in mm (in))
Load-break switch and cable protection:
☐ Each inverter must be protected with its own overcurrent protective device. Observe the
maximum permissible fuse protection (see Section 10 "Technical Data", page 62).
☐ The load-break switch or circuit breaker must be listed (see National Electrical Code
NFPA 70) or Canadian Electrical Code
☐ Loads installed between the inverter and the overcurrent protective device must be fused
separately.
☐ The overcurrent protective device for the AC output circuit is to be provided by others.
☐ The inverter is equipped with an AC switch in accordance with UL 508 which can be used as
a service switch.
Compatible grid configuration:
☐ The inverter is approved for connection to a utility grid with 277/480 V wye connection.
30 STP33-62-US-41-IA-xx-13
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CSA C22.1).
SMA Solar Technology AG
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(7.1) (7.1)
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(7.8) (7.8)
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ANSI/
Installation Manual