22 Technical Data SMA Solar Technology America LLC
232 SI4548-6048-US-BE-en-21 Operating Manual
Device protection Short-circuit, overload,
overtemperature
Ambient temperature − 13°F to +140°F ( − 25°C
to +60°C)
Interfaces SI 6048-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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