SA-8K Specifications:
Input Data (PV)
Max. Allowed PV Power (STC): 11,000W
Nominal Voltage Range: 175 – 425V
Startup Voltage: 125V
Max. Input Voltage: 500V
Max. Input Current per MPPT: 18A (self-limiting)
No. of MPP Trackers: 2
No. of PV Strings per MPPT: 2
Max. AC Coupled Input: 9,600W
Output Data (AC)
Nominal AC Voltage: 120/240V, 120/208V, 220V
Grid Frequency: 50 / 60Hz
Real Power, max continuous: 8,000W
Max. Output Current: 33A
Peak Apparent Power (10s, off-grid): 16,000VA @ 240V
Peak Apparent Power (100ms, off-grid): 25,000VA @ 240V
Max Output Fault Current (100ms): 104A
Max. Grid Passthrough Current: 63A
Power Factor Output Range: +/- 0.9 adjustable
Backup Transfer Time: 4ms
CEC Efficiency: 96.5%
Max Efficiency: 97.5%
Design (DC to AC): Transformerless DC
Stackable: No
Battery Input Data (DC)
Battery Technologies: Lithium / Lead Acid
Nominal DC Voltage: 48V
Operating Voltage Range: 43 – 63V
Capacity: 50 — 9900Ah
Max. Battery Charge / Discharge Current: 185A
Charging Controller: 3-Stage with Equalization
Grid to Battery Charging Efficiency: 96.0%
External Temperature Sensor: Included
Current Shunt for Accurate % SOC: Integrated
Automatic Generator Start: Integrated
Communication to Lithium: CANBus & RS485
General Data
Dimensions (H x W x D): 750 x 450 x 254 mm / 29.5 x 17.7 x 10 in
Weight: 35.4 kg / 78 lb.
Enclosure: IP65 / NEMA 3R
Ambient Temperature: -25~55°C, > 45°C Derating
Noise: < 30>
Idle consumption – No Load: 60W
Wi-Fi & LAN Communication: Included
Standard Warranty: 10 Years
Protection and Certifications
Electronics Certified Safety by SGS Labs to NEC & UL Specs – NEC 690.4B & NEC 705.4/6: Yes
Grid Sell Back — UL1741-2010/2018, IEEE1547a 2003/2014, FCC 15 Class B, UL1741SB, CA Rule 21, HECO Rule 14H: Yes
PV DC Disconnect Switch — NEC 240.15: Integrated
Ground Fault Detection — NEC 690.5: Integrated
PV Rapid Shutdown Control — NEC 690.12: Integrated
PV Arc Fault Detection — NEC 690.11: Integrated
PV Input Lightning Protection: Integrated
PV String Input Reverse Polarity Protection: Integrated
AC Output Breaker – 63A: Integrated
250A Battery Breaker / Disconnect: Integrated
Surge Protection: DC Type II / AC Type II