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DB M 1 255, DB M 1 255 961 120, 961 120, 961120, thiết bị chống sét nguồn điện 1 pha, thiết bị cắt lọc sét nguồn điện 1 pha 255V

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DB M 1 255, DB M 1 255 961 120, 961 120, 961120, thiết bị chống sét nguồn điện 1 pha, thiết bị cắt lọc sét nguồn điện 1 pha 255V

Số lượng

DB M 1 255, DB M 1 255 961 120, 961 120, 961120, thiết bị chống sét nguồn điện 1 pha, thiết bị cắt lọc sét nguồn điện 1 pha 255V


Download tài liệu DSO 1 255

Download tài liệu hướng dẫn lắp đặt DSO 1 255

Download tài liệu thiết bị chống sét DEHN

 

Coordinated DEHNbloc M 1 255 lightning current arrester
Pluggable, coordinated and modular single-pole lightning current arrester, width: 2 mod.
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): 50 kA
Follow current extinguishing capability: up to 100 kArms
Energy-coordinated according to IEC 62305-4
with arresters of the Red/Line series

delivery and installation.

Brand: DEHN + SÖHNE
Type: DB M 1 255
Part No.: 961 120

or equivalent.

 

Type

DB M 1 255

Part No.

961 120

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)

50 kA

Specific energy (W/R)

625.00 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 IK = 50 kArms (ta ≤ 0.2 s)

500 A gG

Max. backup fuse (L) up to IK = 50 kArms (ta ≤ 5 s)

315 A gG

Max. backup fuse (L) for IK > 50 kArms

 

Max. backup fuse (L) up to IK = 35 kArms (ta ≤ 0.2 s)

 

Max. backup fuse (L) up to IK = 35 kArms (ta ≤ 5 s)

 

Max. backup fuse (L) for IK > 35 kArms

 

Max. backup fuse (L-L')

125 A gG

Temporary overvoltage (TOV) (UT) – Characteristic

440 V / 120 min. – withstand

Operating temperature range (parallel connection) (TUP)

-40 °C ... +80 °C

Operating temperature range (series connection) (TUS)

-40 °C ... +60 °C

Operating state / fault indication

green / red

Number of ports

1

Cross-sectional area (L/N, L'/N', N/PE (N)) (min.)

10 mm2 solid / flexible

Cross-sectional area (L/N, N/PE(N)) (max.)

50 mm2 stranded / 35 mm2 flexible

Cross-sectional area (L'/N') (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

2 module(s), DIN 43880

Approvals

VDE, KEMA, UL

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 (ta ≤ 0.2 s)

500 A gG

– Max. backup fuse (L) up to IK = 100 kArms (ta ≤ 5 s)

315  A gG

Supplementary data:

--------------------

– Nominal discharge current (8/20 µs) (In)

50 kA

Weight

340 g

GTIN

4013364118614

PU

1 pc(s)

Part No.

961 120

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