DV ZP TT 255, DV ZP TT 255 900 391, 900 391, 900391, chống sét nguồn điện 3 pha mạng TT, chống sét nguồn điện DEHNventil
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DV ZP TT 255, DV ZP TT 255 900 391, 900 391, 900391, chống sét nguồn điện 3 pha mạng TT, chống sét nguồn điện DEHNventil
DV ZP TT 255, DV ZP TT 255 900 391, 900 391, 900391, chống sét nguồn điện 3 pha mạng TT, chống sét nguồn điện DEHNventil
Download tài liệu DV ZP TNC 255
Hướng dẫn lắp đặt thiết bị chống sét DV ZP TNC 255
Download tài liệu thiết bị chống sét DEHN
Combined lightning current and surge arrester for TT and TN-S systems for use in primary power systems in case of buildings with external lightning protection system and high performance parameters (3+1 configuration).
DEHNventil ZP TT 255 combined arrester Four-pole combined arrester for 230/400 V TT and TN(C)-S systems For use upstream of the meter according to national regulations (e.g. Germany: VDN directive) Type 1 + Type 2 SPD acc. to EN 61643-11 RADAX-Flow spark gap technology for follow current limitation Can be directly snapped onto 40 mm busbar systems without tools in the lower compartment of the meter panel Max. continuous operating voltage: 255 V a.c. Voltage protection level: <= 1.5 kV Lightning impulse current (10/350 µs): 100 kA Follow current extinguishing capability: 25 kArms Energy-coordinated according to IEC 62305-4 with arresters of the Red/Line series and terminal equipment Fault indication
delivery and installation.
Brand: DEHN + SÖHNE
Type: DV ZP TT 255
Part No.: 900 391
or equivalent.
|
Type |
DV ZP TT 255 |
|
Part No. |
900 391 |
|
SPD according to EN 61643-11 / IEC 61643-11 |
type 1 + type 2 / class I + class II |
|
Energy coordination with terminal equipment (≤ 5m) |
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 V (50 / 60 Hz) |
|
Lightning impulse current (10/350 µs) [L1+L2+L3+N-PE] (Itotal) |
100 kA |
|
Specific energy [L1+L2+L3+N-PE] (W/R) |
2.50 MJ/ohms |
|
Lightning impulse current (10/350 µs) [L-N] (Iimp) |
25 kA |
|
Specific energy [L-N] (W/R) |
156.25 kJ/ohms |
|
Lightning impulse current (10/350 µs) [N-PE] (Iimp) |
100 kA |
|
Specific energy [N-PE] (W/R) |
2.50 MJ/ohms |
|
Nominal discharge current (8/20 µs) [L-N]/[N-PE] (In) |
25 / 100 kA |
|
Voltage protection level [L-N] (UP) |
≤ 1.5 kV |
|
Voltage protection level [N-PE] (UP) |
≤ 1.5 kV |
|
Follow current extinguishing capability [L-N] (a.c.) (Ifi) |
25 kArms |
|
Follow current extinguishing capability [N-PE] (a.c.) (Ifi) |
100 Arms |
|
Follow current limitation / Selectivity |
no tripping of a 32 A gG fuse up to 25 kArms (prosp.) |
|
Response time (tA) |
≤ 100 ns |
|
Max. backup fuse up to IK = 25 kArms |
315 A gG |
|
Max. backup fuse for IK > 25 kArms |
200 A gG |
|
Temporary overvoltage (TOV) [L-N] (UT) – Characteristic |
440 V / 120 min. – withstand |
|
Temporary overvoltage (TOV) [N-PE] (UT) – Characteristic |
1200 V / 200 ms – withstand |
|
Operating temperature range (TU) |
-40 °C ... +80 °C |
|
Operating state indication |
button with indicator light |
|
Number of ports |
1 |
|
Cross-sectional area (PE, 9) |
10-35 mm2 flexible / 50 mm2 stranded |
|
For mounting on |
40 mm busbar systems |
|
Enclosure material |
thermoplastic, red, UL 94 V-0 |
|
Place of installation |
indoor installation |
|
Degree of protection |
IP 30 (in combination with cover) |
|
Capacity |
3 module(s), DIN 43880 |
|
Approvals |
VDE |
|
Extended technical data: |
--------------------------------- |
|
Voltage protection level [L-PE] (UP) |
2.2 kV |
|
Weight |
1,01 kg |
|
GTIN |
4013364105768 |
|
PU |
1 pc(s) |
|
Part No. |
900 391 |
