SMA SI 4548-US - Manual (Page 228)

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