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Surge Diverter, 40 kA Three Mode


  • 40kA 8/20μs maximum surge rating provides protection suitable for sub-distribution panels and a long operational life
  • Indication flag provides clear visual indication of life status
  • Remote contacts provide remote status monitoring


Part Number DSD340TNC275A DSD340TNS275A DSD340TT275A
Nominal System Voltage (Un) 220 - 240 V
Max Continuous Operating Voltage (Uc) 275 VAC
350 VDC
Nominal Discharge Current (In) 20 kA 8/20 μs
Max Discharge Current (Imax) 40 kA 8/20 μs
Voltage Protection Level (Up) 850 V @ 3 kA
1,400 V @ 20 kA
850 V @ 3 kA L-PE
1,400 V @ 20 kA L-PE
850 V @ 3 kA L-N
1,400 V @ 20 kA L-N
Impulse Current (Iimp) 5 kA 10/350 μs
Distribution System TN-C TN-S TT
Frequency 0 – 60 Hz
Protection Modes L-PE N-PE
Short Circuit Current Rating (SCCR) 25 kA
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
Status Indication Mechanical flag
Terminal Torque 31 in lb Max
Remote Contacts Yes
Module Width 3 M 4 M
Temperature -40 to 176 °F
Depth (D) 2.68"
Height (H) 3.54"
Width (W) 2.13" 2.83"
Unit Weight 0.79 lb 1.10 lb
Complies With ANSI®/IEEE® C62.41.2-2002 Cat A, Cat B, Cat C
ANSI®/IEEE® C62.41.2-2002 Scenario II, Exposure 2, 20 kA 8/20 μs, 2 kA 10/350 μs
IEC® 61643-1 Class II
Replacement Module DSD140M275 DSD140M275

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



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