SMA SUNNY TRIPOWER CORE1-US Instrucciones De Instalación página 32

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, page 64).
☐ 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.
Also see:
> Section 10 "Technical Data", page 64
6.2.2 Connecting the Inverter to the Utility Grid
Requirements:
☐ All electrical installations must be carried out in accordance with the local standards and the
National Electrical Code
32 STP33-62-US-41-IA-xx-14
®
CSA C22.1).
®
ANSI/NFPA 70 or the Canadian Electrical Code
SMA Solar Technology AG
181 181
(7.1) (7.1)
199 199
(7.8) (7.8)
®
ANSI/
®
CSA C22.1.
Installation Manual