Full specifications

Brand	Fox ESS
Inverter Specifications
Model	T20-M
Inverter type	On-Grid
Grid type	Three Phase
IP class	IP65
PV Input Data
Max DC input power	40000 W
PV input voltage	1100 V
MPPT voltage range	140-1000 V
Max. PV input current	40 A
No. of MPPT	2
No. of strings per MPPT	2
Startup voltage	160 V
AC Output Data
Rated AC output	20000 W
Rated AC output current	30.3 A
Rated voltage	400 V
Power factor	1 (adjustable 0.8 leading to 0.8 lagging)
Battery Data
Battery type	None (on-grid)
Protections
PV arc fault detection	Yes
PV reverse polarity detection	Yes
Insulation resistance detection	Yes
Leakage current detection	Yes
AC overcurrent protection	Yes
Output short circuit protection	Yes
Surge protection	Yes
Over voltage protection	Yes
General Specifications
Weight	20.5 kg
Operating temperature	-25°C ~ +60°C
Max. efficiency	98.6%
Size (W×H×D)	370 × 450 × 183.5 mm

Note: Grid-tie only - no battery input and no backup output. The 1100 V DC ceiling (1020 V maximum operating) allows longer strings than a 1000 V inverter. MPPT window 140-1000 V across two trackers, 2 strings each at 40 A. Maximum apparent power 22000 VA. Peak efficiency 98.6%, European 97.8%, MPPT 99.8%. fan cooling at 55 dB, 20.5 kg, IP65, rated to 3000 m. String-level current monitoring is standard; AFCI is optional.