SMA SUNNY BOY 3.0-US Instrucciones De Instalación página 32

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6 Electrical Connection
Load-break switch an cable protection:
☐ In PV systems with multiple inverters, protect each inverter with its own overcurrent protective
device. Observe the maximum permissible fuse protection (see Section 10 "Technical Data",
page 65). This will prevent residual voltage from being present at the corresponding
conductor after disconnection.
☐ 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.
Compatible grid configurations:
The connection procedure will vary, depending on the grid configuration; the country data set may
have to be set. The following table provides an overview of the compatible grid configurations,
which conductors have to be connected to the inverter to comply with the grid configuration and
which country data set can be set. As standard, the inverter is meant for connection to a utility grid
with a 208 V wye connection or a 240 V split-phase system, and the country data set
UL1741/2016/120 L-N-L is factory-set.
Compatible grid configura-
tion
240 V split-phase system
208 V wye connection
208 V delta connection
240 V delta connection
32
SBxx-1SP-US-41-IA-xx-10
®
CSA C22.1).
Conductors to be
connected
L1, L2 and N
L1, L2 and N
L1 and L2
L1 and L2
SMA Solar Technology AG
Configurable country data sets
• UL1741/2016/120 L-N-L
• HECO_OHM Rule 14H SDR
1.1/120 L-N-L
• CA Rule 21 / 120 L-N-L
• NE-ISO / 120 L-N-L
• UL1741/2016/208 L-L
• HECO_OHM Rule 14H SDR
1.1/208 L-L
• CA Rule 21 / 208 L-L
• NE-ISO / 208 L-L
• UL1741/2016/240 L-L
• HECO_OHM Rule 14H SDR
1.1/208 L-L
• CA Rule 21 / 240 L-L
• NE-ISO / 240 L-L
®
ANSI/
Installation Manual

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