Surge arrester 952400 DEHNguard modular DG M TNS 275 - type 2

Type: DEHN Surge arrester 952400 DEHNguard modular DG M TNS 275 - type 2

EAN/GTIN: 4013364108455

SPD according to EN 61643-11 / IEC 61643-11 type 2 / class II.
Energy coordination with terminal equipment (≤ 10 m) type 2 + type 3.
Nominal voltage (AC) (UN ) 230 / 400 V (50 / 60 Hz).
Max. permanent operating voltage (AC) (UC) 275 V (50 / 60 Hz).
Nominal discharge current (8/20 µs) (In ) 20 kA.
Max. discharge current (8/20 µs) (Imax ) 40 kA.
Voltage protection level [L-PE]/[N-PE] (UP ) ≤ 1.5 / ≤ 1.5 kV.
Voltage protection level [L-PE] / [N-PE] at 5 kA (UP ) ≤ 1 / ≤ 1 kV.
Response time (tA ) ≤ 25 ns.
Max. overcurrent protection on the network side 125 A gG.
Short circuit resistance max. mains side overcurrent protection (ISCCR) 50 kArms.
Temporary overvoltage (TOV) (UT) – Characteristics 335 V / 5 sec. - withstand.
Temporary overvoltage (TOV) (UT) – Characteristics 440 V / 120 min. - fail safe.
Operating temperature range (TU ) -40 °C ... +80 °C.
Indication of operating status / fault green / red.
Cross-sectional area (min.) 1.5 mm2 solid / flexible.
Cross-sectional area (max.) 35 mm2 cable / 25 mm2 flexible.
For mounting on 35 mm DIN rails acc. according to EN 60715.
Housing material thermoplastic, red, UL 94 V-0.
Place of installation indoor installation.
Degree of protection IP20.
Capacity 4 modules, DIN 43880.
KEMA, VDE, UL approvals.
Use of arrester at 16.7 Hz - traction power systems.
– Test voltage AC (UC ) 275 V
– Rated AC voltage (UN ) 230 / 400 V
– Nominal AC frequency (fN ) 16.7 Hz

Link to manufacturer information