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The Grid connection type must be a 4-wire Wye, grounded neutral, the
inverter may connect to the grid via 3 or 4-wires. The neutral conductor
from the inverter to point of interconnection (POI) is optional.
Either 3-pole or 4-pole AC circuit breaker (OCPD) may be selected as
per the following table. Selecting a breaker of another size may either
result in nuisance tripping or rejection from the AHJ.
Table 3-10 Specification of AC breaker selection
3.4. Communication Connection
CPS SCA50KTL-DO/US-480 and SCA60KTL-DO/US-480 inverters support
industry standard Modbus RS485 communication. The communication board
is in different places in the standard (Figure 3-39(a) and H4 wiringboxes (Figure
3-39(b)).
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