Install Manual

10 Technical Data
SMA Solar Technology AG
Installation ManualSTP33-62-US-41-IA-en_es-1162
Grid configurations 277/480V wye connection
National standards and approvals,
as per 08/2018
UL1741 2018, UL1741 SA, UL1699B Ed. 1,
IEEE1547, FCC Part 15 (Class A)
Climatic Conditions
Installation in accordance with IEC60721-3-4, Class4K4H
Extended temperature range -25°C to +60°C (-13°F to +140°F)
Extended humidity range 0%to100%
Threshold for relative humidity, non-condensing 100%
Extended air pressure range 79.5kPato106kPa
Transport in accordance with IEC 60721-3-4, Class 2K3
Temperature range -40°C to +70°C (-40°F to +158°F)
Equipment
DC connection Amphenol UTX PV connector
AC connection Screw terminals
Multifunction relay As standard
Surge protection devices type2 and type1+2
for AC and/or DC
Optional
Torques
Screws for the DC-Connection Unit and AC-Con-
nection Unit enclosure lids
6Nm (53in-lb)
Screws AC terminals 14Nm (126in-lb)
Screws for attaching the feet or profile rails 16Nm (142in-lb)
Screws for the cover on the top of the inverter 6Nm (53in-lb)
Screws for the equipment grounding terminal for
connecting the utility grid equipment grounding
conductor
6Nm (53in-lb)
Screws for the equipment grounding terminal for
connecting the equipment grounding conductor
of the PV array
4Nm (35in-lb)
Data Storage Capacity
Daily energy yields 63days
Daily yields 30years
ENGLISH