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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

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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

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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

 

 

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
 

 

 


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