SMA SI 4548-US - Manual (Page 231)

SMA America, LLC 22 Technical Data
Operating Manual SI4548-6048-US-BE-en-20 231
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