5 Technical Data
5.5 Specifications for Grid
Protection
Parameter
Maximum inverter current, I
Type of thermal fuse to be used gR (IEC 60269-1)
Miniature circuit breaker to be used type B or C
Maximum fuse rating
Table 5.8 Specifications for grid protection
INFORMATION
Observe local regulations.
5.6 Technical Data of the
Communication Interface
Interface
Parameter
Ethernet
Cable
RJ45 connector: 2 pcs. RJ45
for Ethernet
Galvanic interface insulation
Direct protection against
contact
Short-circuit protection
Communication
Cable
Max. number of inverters
Table 5.9 Technical data of the communication interface
1)
(see Section 2.8 "Ethernet Connections", page 28)
44
STPS60-IA-xx-12
ACmax
Parameter details
Cable sheath diameter ( ⌀ )
Cable type
Cable characteristic
impedance
Wire size
Cable shield termination
Double/reinforced insulation
Network Topology
Max. cable length between
inverters
Per SMA Inverter Manager
SMA Solar Technology AG
Specification
109 A
160 A
160 A
160 A
Specification
2 x 5 to 7 mm
STP cable (Shielded Twisted Pair,
CAT 5e or SFTP CAT 5e)
100 Ω to 120 Ω
0.14 to 0.25 mm² (depending on
the design of the RJ45 plug)
Via RJ45 plug
Yes, 500 Vrms
yes
yes
Star connection, ring connection
and daisy chain
100 m
20
Installation Manual
1)