Home Products DC Surge Protective Device DC SPD up to 1000V DC SPD Type2 1000V BUD-40/3 UL Version
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DC SPD Type2 1000V BUD-40/3 UL Version

BENY Electric BUD-40/3 DC Surge Arrester 1000V Type 2 Surge Protective Devices DC SPD UL1449

Highlights :

  • Suitable For Use in All Photovoltaic Systems
  • Comply with : IEC/EN 61643-31/UL 1449
  • Plug-in Protection Module, Easily Installation and Maintainance
  • High Energy Varistor, Response Time Less Than 25 Nanosecond
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PV DC BUD-40/3 Surge Protection Device was designed and manufactured, complying the PV standard IEC/EN 61643-31/UL1449, It widely used in PV DC combiner box, inverter, controller, and PV DC cabinet.


Rated voltage 1000V DC, Maximum discharge current 40KA, High Energy Varistor, high effective for lightning protection.


Model BUD-40/3
Pole 3P
Standard IEC/EN 61643-31/UL 1449
Category IEC/EN IEC II/EN2
Open Voltage

Uoc Max

1000V DC


Max Continuous Operational Voltage


1000V DC


Nominal Discharge Current




Maximum Discharge Current


Voltage Protection Level


Response Time ≤25ns
Operating Temperature Range




For Mounting on TH35-7.5/DIN35
Relative Humidity 30%~90%

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