Wattox 150 String PV Inverter
A high-efficiency 150 kW string inverter designed for utility and commercial PV projects, with advanced safety protections and smart monitoring for reliable performance.
Key features
Arc fault protection
Detects arc faults early to reduce fire risk and protect PV systems during operation.
PV ground-fault protection
Provides ground-fault protection to strengthen system safety and improve operational reliability.
PID recovery
Supports PID recovery to help maintain stable module performance and reduce long-term degradation impact.
Smart string level disconnector
Enables string-level disconnection for safer maintenance and more granular protection control.
Smart connector temperature detector
Monitors connector temperature to help identify risks early and reduce unexpected downtime.
MBUS Monitoring
Supports MBUS monitoring for structured site connectivity and integration with monitoring workflows.
Technical specifications
Maximum Efficiency
98.6% @400V, 98.8% @480V
European Efficiency
98.4%
Maximum Input Voltage
1,100 V
Number of MPPT
7
Maximum Current per MPPT
48 A
Maximum Short-Circuit Current per MPPT
66 A
Maximum PV Inputs per MPPT
3
Starting Voltage
200 V
MPPT Operating Voltage Range
200 V – 1,000 V
Nominal Input Voltage
Nominal AC Active Power
150,000 W
Maximum AC Apparent Power
165,000 VA
Maximum AC Active Power (cosφ=1)
150,000 W
Nominal Output Voltage
380 V / 400 V / 480 Vac
Nominal AC Grid Frequency
50 Hz / 60 Hz
Nominal Output Current
227.9 A @380 V / 216.5 A @400 V / 180.4 A@480 Vac
Maximum Output Current
253.2 A @380 V / 240.5 A @400 V / 200.5 A @480 Vac
Adjustable Power Factor Range
0.8 LG .....0.8 LD
Total Harmonic Distortion
THDi < 1% (Rated)
Smart Wire Level Disconnection (SSLD)
Available
Smart Connector Level Detection (SCLD)
Available
AC Overcurrent Protection
Available
DC Reverse Polarity Protection
Available
PV Array String Fault Detection
Available
DC Surge Protector
Available
AC Surge Protector
Type 2
DC Insulation Resistance Detection
Type 2
Leakage Current Detection Unit
Available
Indicator
Available
USB
Available
MBUS
Available (isolation transformer required)
RS485
Available
Dimensions (W x H x D)
1,000 × 710 × 395 mm
Weight (with mounting profile)
102 kg
Operating Temperature Range
-25°C ~ 60°C
Cooling Method
Smart Fan Cooling
Standards
VDE-AR-N4105, EN 50549-1, EN 50549-2, RD 661, RD 1699, C10/11
Resources
Datasheets
User manual
Certificates
For full technical documentation, user manuals, and additional resources, please visit our Librarypage.
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