SMA DC Disconnect Switch For SB 3300-U - Manual (Page 9)

SMA America, Inc. Introduction
Installation Guide DC-Discon-U-11:SE4406 3
1 Introduction
SMA America’s DC Disconnect integrates PV series string fuses into a standard heavy-
duty DC disconnect switch.
DC Disconnect features include:
•
Visible position, lockable DC disconnect switch
• Four 15A, 600 VDC Fuses (included)
• NEMA 3R enclosure
To prevent electrical shock or injury, all wiring and commissioning
procedures must be performed only by qualified personnel.
WARNING: All electrical installation must be done in accordance with
the National Electrical Code ANSI/NFPA 70, local building codes and
the requirements of the authority having jurisdiction.
WARNING: PV arrays produce electrical energy when exposed
to light and thus create an electrical shock hazard.
Application
The DC Disconnect is designed for use with the SB3300U or the 3800U inverters. Use
of the DC Disconnect for other applications is not recommended nor supported by SMA
America.