DBM NH00 255, DBM NH00 255 900 255, 900 255, 900255, cầu chì chống sét, module chống sét 1 pha, mô đun cắt lọc sét 1 pha, DEHN

Sản phẩm mới

DBM NH00 255, DBM NH00 255 900 255, 900 255, 900255, cầu chì chống sét, module chống sét 1 pha, mô đun cắt lọc sét 1 pha, DEHN

DBM NH00 255, DBM NH00 255 900 255, 900 255, 900255, cầu chì chống sét, module chống sét 1 pha, mô đun cắt lọc sét 1 pha, DEHN


Download tài liệu DBM NH00 255

Download tài liệu hướng dẫn lắp đặt DBM NH00 255

Download tài liệu thiết bị chống sét DEHN

 

Coordinated DEHNbloc Maxi NH00 255 lightning current arrester
Coordinated single-pole lightning current arrester
in NH 00 design with high follow current limitation
Type 1 SPD according to EN 61643-11
RADAX Flow spark gap technology
for follow current limitation
Max. continuous operating voltage: 255 V a.c.
Voltage protection level: <= 2.5 kV
Lightning impulse current (10/350): 25 kA
Follow current extinguishing capability: up to 100 kArms
Energy-coordinated with arresters of the
Red/Line series according to IEC 62305-4

delivery and installation.

Brand: DEHN + SÖHNE
Type: DBM NH00 255
Part No.: 900 255

or equivalent.


 

Type

DBM NH00 255

Part No.

900 255

SPD according to EN 61643-11 / IEC 61643-11

type 1 / class I

Nominal voltage (a.c.) (UN)

230 V (50 / 60 Hz)

Max. continuous operating voltage (a.c.) (UC)

255 V (50 / 60 Hz)

Lightning impulse current (10/350 µs) (Iimp)

25 kA

Specific energy (W/R)

156.25 kJ/ohms

Voltage protection level (UP)

≤ 2.5 kV

Follow current extinguishing capability (a.c.) (Ifi)

50 kArms

Follow current limitation / Selectivity

no tripping of a 32 A gG fuse up to 50 kArms (prosp.)

Response time (tA)

≤ 100 ns

Max. backup fuse (L) up to I= 50 kArms

315 A gG

Temporary overvoltage (TOV) (UT) – Characteristic

440 V / 120 min. – withstand

Operating temperature range (parallel connection) (TUP)

-40 °C ... +80 °C

Number of ports

1

For mounting on

NH fuse holders of size NH00

Enclosure material

thermoplastic, red, UL 94 V-0

Place of installation

indoor installation

Degree of protection

according to installation situation

Extended technical data:

Use in switchgear installations with prospective short-circuit currents of more than 50 kArms (tested by the German VDE)

– Max. prospective short-circuit current

100 kArms (220 kApeak)

– Limitation / Extinction of mains follow currents

up to 100 kArms (220 kApeak)

– Max. backup fuse (L) up to IK = 100 kArms

315 A gG

Weight

194 g

GTIN

4013364125773

PU

1 pc(s)

Part No.

900 255


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