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DSH TNS 255 FM, DSH TNS 255 FM 941 405, 941 405, 941405, chống sét nguồn điện 3 pha, nhập khẩu độc quyền thiết bị chống sét DEHN
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DSH TNS 255 FM, DSH TNS 255 FM 941 405, 941 405, 941405, chống sét nguồn điện 3 pha, nhập khẩu độc quyền thiết bị chống sét DEHN
DSH TNS 255 FM, DSH TNS 255 FM 941 405, 941 405, 941405, chống sét nguồn điện 3 pha, nhập khẩu độc quyền thiết bị chống sét DEHN
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DSH TNS 255 FM, DSH TNS 255 FM 941 405, 941 405, 941405, chống sét nguồn điện 3 pha, nhập khẩu độc quyền thiết bị chống sét DEHN
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DEHNshield TNS 255 FM combined arrester Four-pole combined arrester for 230/400 V TN(C)-S systems, width: 4 mod. with remote signalling contact Type 1 + type 2 SPD according to EN 61643-11 Application-optimised use in compact electrical installations Spark gap technology with follow current limitation Fault indication Max. continuous operating voltage: 255 V a.c. Voltage protection level: <= 1.5 kV Lightning impulse current (10/350): 50 kA Energy-coordinated according to IEC 62305-4 with arresters of the Red/Line series and terminal equipment
delivery and installation.
Brand: DEHN + SÖHNE
Type: DSH TNS 255 FM
Part No.: 941 405
or equivalent.
Type |
DSH TNS 255 FM |
Part No. |
941 405 |
SPD according to EN 61643-11 / IEC 61643-11 |
type 1 + type 2 / class I + class II |
Energy coordination with terminal equipment (≤ 5 m) |
type 1 + type 2 + type 3 |
Nominal voltage (a.c.) (UN) |
230 / 400 V (50 / 60 Hz) |
Max. continuous operating voltage (a.c.) (UC) |
255 (50 / 60 Hz) |
Lightning impulse current (10/350 µs) [L1+L2+L3+N-PE] (Itotal) |
50 kA |
Specific energy [L1+L2+L3+N-PE] (W/R) |
625.00 kJ/ohms |
Lightning impulse current (10/350 µs) [L, N-PE] (Iimp) |
12.5 kA |
Specific energy [L,N-PE] (W/R) |
39.06 kJ/ohms |
Nominal discharge current (8/20 µs) [L/N-PE]/[L1+L2+L3+N-PE] (In) |
12.5 / 50 kA |
Voltage protection level [L-PE]/[N-PE] (UP) |
≤ 1.5 / ≤ 1.5 kV |
Follow current extinguishing capability (a.c.) (Ifi) |
25 kArms |
Follow current limitation / Selectivity |
no tripping of a 32 A gG fuse up to 25 kArms (prosp.) |
Response time (tA) |
≤ 100 ns |
Max. mains-side overcurrent protection |
160 A gG |
Temporary overvoltage (TOV) [L-N] (UT) – Characteristic |
440 V / 120 min. – withstand |
Operating temperature range (TU) |
-40 °C ... +80 °C |
Operating state / fault indication |
green / red |
Number of ports |
1 |
Cross-sectional area (L1, L2, L3, N, PE, 9) (min.) |
1.5 mm2 solid / flexible |
Cross-sectional area (L1, L2, L3, N, PE, 9) (max.) |
35 mm2 stranded / 25 mm2 flexible |
For mounting on |
35 mm DIN rails acc. to EN 60715 |
Enclosure material |
thermoplastic, red, UL 94 V-0 |
Place of installation |
indoor installation |
Degree of protection |
IP 20 |
Capacity |
4 module(s), DIN 43880 |
Approvals |
KEMA, VDE |
Type of remote signalling contact |
changeover contact |
Switching capacity (a.c.) |
250 V / 0.5 A |
Switching capacity (d.c.) |
250 V / 0.1 A; 125 V / 0.2 A; 75 V / 0.5 A |
Cross-sectional area for remote signalling terminals |
max. 1.5 mm2 solid / flexible |
Weight |
428 g |
GTIN |
4013364275331 |
PU |
1 pc(s) |
Part No. |
941 405 |