Further information for Ubiquiti SM-SW-40
Remotely managed MPPT 24V 7A solar site charger with integrated four-port 24V PoE switch. Built-in four-port 24V PoE 10/100 MbE switch
24V DC output terminal with max power 40W
External 24V battery charges up to 7 Amps (supports SLA, AGL, AGM)
Indoor or outdoor use Cabinet (rack mounting possible).
Technical Specifications Mechanical Dimensions 168 x 136 x 36 mm (6.14 x 5.35 x 3,6 cm ( 1,4 inch )) Weight 543 g (1.2 pounds) Case features Steel (indoor) Hardware Network interface (4) 10/100 Fast Ethernet ports Management interface Ethernet -WLAN (2.4 GHz) Button Reset LEDs System, output Power source PV panel (H4 connectors) Max. energy consumption
2W PV input voltage range 10-60V (reverse polarity protection, over-voltage protection).
A PV power control MPPT output interfaces 24 VDC Passive PoE (Pins 4, 5+ 7, 8-)
24 VDC terminal block output voltage Battery voltage limited to 24 V (surge protection) Maximum power output PoE: 17 W, DC OUT: 24 W, max. 40 W total Battery type 24V SLA, AGM, gel lead acid battery Absorption voltage steps 27.4V, 28.2V, 29.1V, 30V Float charging voltage 95% of absorption voltage Max. charging current 7A Undervoltage protection 22 - 23.6V Software configurable
22V hardware protection
2 priority levels for output disablement Operating temperature* -20 to 50°C (-4 to 122°F)
*Stops charging when the limit is exceeded and starts charging with a hysteresis of 5°C (9° F) new. Certifications FCC, IC, CE