SMA SUNNY ISLAND 4548-US Operating Manual page 232

22 Technical Data
General Data
Device protection
Ambient temperature
Interfaces
Number of LEDs
Number of buttons
Display
Multifunction relay
Communication
Memory card
Digital input level (Dig-In)
Load switching limits multifunction relays 1 and 2
Load limitation curve
232 SI4548-6048-US-BE-en-21
SMA Solar Technology America LLC
Short-circuit, overload,
overtemperature
− 13°F to +140°F ( − 25°C
to +60°C)
SI 6048-US-10
2
4
Two-line display
2
RS485, galvanically insulated
(optional)
SD memory card
High level as of 5 V (up to 63 V),
low level 0 V to 2 V
AC: 6 A at 250 V
DC: see graphic
Operating Manual