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Surge Diverter, 50 kA DSD DC


  • Internal patented thermal disconnect system designed specifically for operation of DC systems to assist safe disconnect at end of life
  • Terminals color coded and marked with symbols to protect against incorrect wiring
  • Compact design fits into inverters and solar combiner boxes
  • Conveniently packaged for easy installation on DIN rail
  • Separate plug and base design for easy module testing and replacement


Part Number DSD50R300DC DSD50R600DC
Max Continuous Operating Voltage (Vpvdc) 300 VDC 600 VDC
Nominal System Voltage (Un) 300 VDC 600 VDC
Measured Limiting Voltage (MLV), DC 2,700 + to -
1,520 + to PE
1,500 - to PE
3,900 + to -
2,140 + to PE
2,120 - to PE
Nominal Discharge Current (In) 20 kA 8/20 μs
Max Discharge Current (Imax) 50 kA 8/20 μs
Frequency 0 – 100 Hz
Protection Modes -ve to PE
+ve to PE
-ve to +ve
Technology Metal Oxide Varistor (MOV)
Gas Discharge Tube (GDT)
Connection, Solid #2 Max
Connection, Stranded #4 Max
Mounting 35 mm top hat DIN rail
Enclosure Material UL® 94V-0 Thermoplastic
Enclosure Rating IP 20
Remote Contacts Yes
Status Indication Mechanical flag
Temperature -40 to 176 °F
Module Width 2 M
Depth (D) 2.68"
Height (H) 3.54"
Width (W) 1.38"
Unit Weight 0.53 lb
Certification Details UL® 1449 Edition 3 for PV Applications
Complies With ANSI®/IEEE® C62.41.2-2002 Cat A, Cat B, Cat C
ANSI®/IEEE® C62.41.2-2002 Scenario II, Exposure 2, 50 kA 8/20 μs
Replacement Module DSD50M385DC DSD50M615DC

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UL, UR, cUL, cUR, cULus and cURus are registered certification marks of UL LLC.


Wind Power Solutions
1.94 MB English


UR VZCA2.E325047
ANSI/UL 1449

Instruction Sheets