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  • SolaX Three Phase C&I Hybrid Inverter X3-ULTRA 20K

SolaX Three Phase C&I Hybrid Inverter X3-ULTRA 20K

Introduces a new C&I energy storage solution, suitable for factories, malls, offices, and warehouse.

With 2/3 MPPTs, it maximizes power generation, enhancing compatibility with complex solar systems.

Even if one MPPT encounters a fault, it won’t affect the operation of other arrays.

 

Certificates

VDE4105, G99, AS4777, EN50549, CEI 0-21, IEC61727, PEA/MEA, NRS-097-2-1, RD1699, TOR

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Available from warehouse

advantage

Product Features

01

Smart Management

  • Single unit UPS-level switchover time <10ms
  • Built-in shadow tracking
  • Smart loads management(e.g., heat pump, smart EV charger)
  • Loads respond time within 0.3 s
  • VPP ready with a variety of compatibility (OpenADR, IEEE2030.5, FCAS, API)*

 

02

Assured Reliability

  • Battery terminal temperature detection
  • IP66 protection degree
  • Type II SPD on AC&DC side
  • Optional AFCI protection

03

High Performance

  • 200% PV oversizing and up to 110% AC output
  • 200% EPS overload for 10s
  • Max. 60A charging / discharging current
  • Low start-up voltage for longer operation

04

Flexible Adaptability

  • Max. 10pcs parallel for on-grid and off-grid
  • Microgrid and generator function for versatile operations
  • Max. 36A PV input per MPPT, optimized for high-power solar panel

Pictures

Detail Presentation

Why choose this product

Data

TECHNICAL DATA

PC INPUT

AC INPUT & OUTPUT (ON-GRID)

BATTERY

EPS (OFF-GRID) OUTPUT (WITH BATTERY)

EFFICIENCY

ENVIRONMENT LIMIT

GENERAL

PROTECTION

PV INPUT X3-ULT-15K X3-ULT-15KP X3-ULT-19.9K X3-ULT-20K X3-ULT-20KP X3-ULT-25K X3-ULT-30K
Max. recommended PV array power 30kWp 40kWp 50kWp 60kWp
Max. PV input voltage① 100V
Nominal PV input voltage 600V
Operating voltage range 120~950V
MPPT voltage range② 160~950V
Start-up voltage 200V
No. of MPP trackers / Strings per MPP tracker 2 / (2 / 2) 3 / (2 / 2 / 2) 2 / (2 / 2) 3 / (2 / 2 / 2)
Max. input current per MPPT (MPPT1/2/3) 36 A / 36 A 36 A / 36 A / 36 A 36 A / 36 A 36 A / 36 A / 36 A
Max. input short circuit current per MPPT (MPPT1/2/3) 45 A / 45 A 45 A / 45 A / 45 A 45 A / 45 A 45 A / 45 A / 45 A
AC INPUT & OUTPUT (ON-GRID) X3-ULT-15K X3-ULT-15KP X3-ULT-19.9K X3-ULT-20K X3-ULT-20KP X3-ULT-25K X3-ULT-30K
Rated output power 15000 W (AS4777 14999 W) 19999 W 20000 W 20000 W 25000 W
(VDE4105 24900 W)		 30000 W (AS4777 29999 W,VDE4105 29900 W)
Rated output current 21.8 A 29.0 A 29.0 A 29.0 A 36.3. A 43.5 A
Max. output apparent power 16500 VA (AS4777 14999 VA) 19999 VA 22000 VA 22000 VA 27500 VA
(VDE4105 24900 VA)		 30000 VA (AS4777 29999 VA,VDE4105 29900 VA)
Max. output continuous current 24.0 A (AS4777 21.8 A) 29.0 A 31.9 A 31.9 A 39.9 A
(VDE4105 36.3 A)		 43.5 A
Nominal AC voltage 3 / N / PE, 220 / 380 V
3 / N / PE, 230 / 400 V
Max. AC input apparent power 15000 VA 15000 VA 20000 VA 20000 VA 25000 VA 30000 VA
Max. AC input current 21.8 A 29.0 A 29.0 A 29.0 A 36.3 A 43.5 A
Nominal AC frequency 50 Hz / 60 Hz
Adjustable Power Factor range ~ 1 (0.8 lagging to 0.8 leading)
THDi (Rated power) < 3%
BATTERY X3-ULT-15K X3-ULT-15KP X3-ULT-19.9K X3-ULT-20K X3-ULT-20KP X3-ULT-25K X3-ULT-30K
Battery type Lithium
Battery voltage range 120 ~ 800 V
Max. charge / discharge current 60 A (30 A × 2)
EPS (OFF-GRID) OUTPUT (WITH BATTERY) X3-ULT-15K X3-ULT-15KP X3-ULT-19.9K X3-ULT-20K X3-ULT-20KP X3-ULT-25K X3-ULT-30K
Rated EPS output voltage, frequency 230 V / 400 V, 50 Hz / 60 Hz
Rated EPS output power 15000 VA 19999 VA 20000 VA 25000 VA 30000 VA
Peak EPS output power 2 times of rated power, 10 s
Switchover time < 10 ms
EFFICIENCY X3-ULT-15K X3-ULT-15KP X3-ULT-19.9K X3-ULT-20K X3-ULT-20KP X3-ULT-25K X3-ULT-30K
Max. efficiency 98.00%
European efficiency 97.70%
ENVIRONMENT LIMIT X3-ULT-15K X3-ULT-15KP X3-ULT-19.9K X3-ULT-20K X3-ULT-20KP X3-ULT-25K X3-ULT-30K
Ingress protection IP66
Operating ambient temperature range③ -35 ~ 60°C
Max. operating altitude 3000 m
Relative humidity 0 ~ 100% RH (condensing)
Overvoltage category Mains: III, Battery: II, PV: II
GENERAL X3-ULT-15K X3-ULT-15KP X3-ULT-19.9K X3-ULT-20K X3-ULT-20KP X3-ULT-25K X3-ULT-30K
Dimensions (W × H × D) 696 × 526 × 240 mm
Net weight 47 kg
Cooling concept Smart cooling
Communication interfaces Meter (RS-485), DI x 2, DO x 1, Modbus
Power consumption (night) < 5 W
Topology Non-isolated
Certificates and approvals VDE4105, G99, AS4777, EN50549, CEI 0-21, IEC61727, PEA/MEA, NRS-097-2-1, RD1699, TOR
AC auxiliary power supply (APS) Built-in
PROTECTION X3-ULT-15K X3-ULT-15KP X3-ULT-19.9K X3-ULT-20K X3-ULT-20KP X3-ULT-25K X3-ULT-30K
Protection Over / under voltage protection, DC reverse-polarity protection, Residual current detection, Over temperature protection,
DC isolation protection, Grid monitoring, DC injection monitoring, Back feed current monitoring
Active anti-islanding method Frequency shift
Surge protection (DC / AC) DC: Type II, AC: Type II
Arc-fault circuit interrupter (AFCI) Optional
① The maximum input voltage is the upper limit of the DC voltage. Any higher input DC voltage would probably damage inverter
② Input voltage exceeding the MPPT voltage range may triggers inverter protection
③ Derating above +45°C

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