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boxes, simplifying installation and the need for DC BOS equipment. The
rapid shutdown version wirebox has integrated the rapid shutdown PLC
transmitter, requiring no field wiring, and eliminated the negative DC
fuses in accordance with the 2017 National Electric Code.
2.3 Product Protection and Functions
AC output voltage and frequency monitoring
Anti-islanding detection with bi-directional frequency perturbation
DC input and AC output over-voltage protection
DC input and AC output over-current protection
DC input insulation to ground monitoring
DC injection of AC output
DC Arc-fault detection and circuit interruption
Leakage current to ground monitoring
Internal enclosure temperature monitoring
IGBT power module temperature monitoring
KVA overhead to produce rated Active Power at 0.91 power factor
Load rejection over voltage (LROV) protection
No neutral connection required - delta connection permitted with
external AC GFCI
PVRSS certified rapid shutdown compliant to 2017 NEC
(RSD version only).
2.4 Smart Inverter Functions (default state):
Anti-Islanding – activated
Low/High Voltage Ride-Through – activated
Low/High Frequency Ride-Through – activated
Dynamic Volt/VAR Operations – activated
Ramp Rates – activated
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