SMA SI 4548-US User Manual
Page 228
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22 Technical Data
SMA America, LLC
228
SI4548-6048-US-BE-en-20
Operating Manual
Ambient temperature
− 13°F to +140°F
( − 25°C to +60°C)
Interfaces
SI 4548-US-10
Number of LEDs
2
Number of buttons
4
Display
Two-line display
Multifunction relay
2
Communication
RS485, galvanically insulated
(optional)
Memory card
SD memory card
Digital input level (Dig-In)
High level as of 5 V (up to 63 V),
low level 0 V to 2 V
Load switching limits multifunction relays 1 and 2
AC: 6 A at 250 V
DC: see graphic
Load limitation curve
General Data
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