Growatt WIT 50-100K-US - Page 85

85
THDv
3%
Unbalanced load
100% three-phase unbalanced
Overload capacity
≤110%，continuous;
110%～120%：10min
>120%，200ms
Switch time from
on-grid to off-grid
mode
＜200ms
Switch time from
off-grid to on-grid
mode
0ms
Efficiency
Max. battery
charge/discharge
efficiency
98.20%
98.20%
98.20%
98.20%
Protection devices
Battery reverse
protection
Yes
Yes
Yes
Yes
DC surge protection
Yes（Class II）
Yes（Class II）
Yes（Class II）
Yes（Class II）
Insulation resistance
monitoring
Yes
Yes
Yes
Yes
RCD detection
Yes
Yes
Yes
Yes
AC short-circuit
protection
Yes
Yes
Yes
Yes
AC surge protection
Yes（Class II）
Yes（Class II）
Yes（Class II）
Yes（Class II）
Ground fault
monitoring
Yes
Yes
Yes
Yes
Grid monitoring
Yes
Yes
Yes
Yes
Display and
communication
Display
OLED+LED/APP
USB
Yes
Yes
Yes
Yes
RS485
Yes
Yes
Yes
Yes
4G
Optional
Optional
Optional
Optional
WiFi
Optional
Optional
Optional
Optional
General data
Dimensions (W /H /
D) in mm
53.2*33.5*20.1(in）
Weight
287lb
287lb
287lb
287lb
Operating
temperature range
–30°C ... +60°C (> 50°C, derating)
Noise emission
(typical)
≤53dB(A)
≤53dB(A)
≤65dB(A)
≤65dB(A)