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WRM2L PV Grid-connected
The automatic grid-connected special circuit breaker is a low-voltage circuit breaker specially used for distributed photovoltaic grid-connected, integrating the functions of electric operating mechanism, intelligent controller and molded case circuit breaker. Protect the overcurrent, short circuit, phase loss, undervoltage, overvoltage, and loss of voltage of the photovoltaic grid-connected system line or electrical equipment. The product conforms to the standard: GB/T14048.2-2020Q/GDW 1972-2013
Functional structure features
It has three protection functions, namely, overload reverse time limit long delay protection, short circuit short delay protection, and short circuit instantaneous protection function
It has a press-closing function
It has the function of loss of voltage tripping
It has the function of opening when over/under pressure
Performance parameters
Rated current of shell frame level lnm(A): 250、400、630
Rated current ln(A): 0.4-1.0lnm(A) is continuously adjustable
Applicable poles: 3P+N
Delay reclosing time(s) 20-60
Overvoltage setting value (V): Default 290V (Range: 240V-350V)
Overvoltage Delay Value (V): Default 3s (Range: 0s-10s)
Overvoltage recovery value (V): Default 270V (Range: 240V-300V)
Undervoltage setting value (V): Default 160V (Range: 120V-200V)
Undervoltage Delay Value(s): Default 3s (Range: 0S-10S)
Undervoltage Recovery Value (V): Default 190V (Range: 160V-220V)
Total Loss Voltage Setting Value (V): Default 50V (Range: 50V-100V)
Classification of action characteristics: AC
Product Use Category: Category B
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WRM2L PV grid-connected switch 2024-09-24 PDF Preview Download the file
WRM2L PV grid-connected switch
  • 2024-09-24
  • PDF
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