MAX 185-253KTL3-X HV

Name: MAX 185-253KTL3-X HV
SKU: MAX 185-253KTL3-X HV

String inverter · Three-phase · 185 – 253 kW

185 – 253 kWThree-phaseIP66

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185 – 253 kWRated power

Three-phasePhase

9 – 15MPPT trackers

99 %Max. efficiency

Technical data

PV input
	MAX 185KTL3-X HV	MAX 216KTL3-X HV	MAX 250KTL3-X HV	MAX 253KTL3-X HV
Max. PV input voltage (V)	1500
Rated PV input voltage (V)	1080
MPPT voltage range (V)	500 – 1500
Start-up voltage (V)	500
Max. input current per MPPT (A)	30
Max. short-circuit current per MPPT (A)	50
Number of MPPT trackers	9	9	12	15
PV strings per MPPT	2
AC output
Rated output power (W)	185000	216000	250000	253000
Max. apparent power (VA)	185000	216000	250000	253000
Max. AC apparent power vs. ambient temperature	185 kVA @30 °C; 175 kVA @40 °C; 160 kVA @50 °C	216 kVA @30 °C; 200 kVA @40 °C; 192 kVA @50 °C	250 kVA @30 °C; 230 kVA @45 °C; 220 kVA @50 °C	253 kVA @30 °C; 230 kVA @45 °C; 220 kVA @50 °C
Rated AC voltage (V)	800
AC voltage range (V)	640 – 920
Phase	Three-phase
AC grid connection type	3W+PE
Rated AC frequency (Hz)	50/60
Rated AC frequency and range	50/60 Hz (45-55 Hz / 55-65 Hz)
Max. AC output current (A)	133.5	155.9	180.4	182.6
Power factor	0.8 leading to 0.8 lagging (adjustable)
Total harmonic distortion (THDi) (%)	<3
Efficiency
Max. efficiency (%)	99
European efficiency (%)	98.5
MPPT efficiency (%)	99.9
Protection
Protection functions	DC reverse polarity protection; DC switch; Type II DC surge protection; Type II AC surge protection; Insulation resistance monitoring; AC short-circuit protection; Ground fault monitoring; Grid monitoring; Anti-islanding protection; Residual-current monitoring unit; String monitoring; AFCI protection (optional); Anti-PID function (optional); LVRT; HVRT; Night SVG (optional)
General data
Dimensions (W x H x D) (mm)	1070 × 675 × 340
Weight (kg)	95	95	99	109
Ingress protection (IP rating)	IP66
Operating temperature range (°C)	−30 – 60
Relative humidity (%)	0 – 100
Max. operating altitude (m)	4000
Cooling	Smart air cooling
Topology	Transformerless
Night-time power consumption (W)	<1
Warranty (years)	5 – 10
DC connection	H4 / MC4 (optional)
AC connection	OT terminal connectors (max. 300 mm²)
Communication
Display	LED / Wi-Fi + app
Communication interfaces	RS485; USB; PLC (optional); 4G (optional); GPRS (optional)
Certifications
Certifications and standards	CE; IEC 60068; IEC 61683
Grid codes	IEC 62116; IEC 61727; CEA 2019; EN 50549-2; NC RFG; CEI 0-16