DBM 1 440 FM, DBM 1 440 FM 961 145, 961 145, 961145, chống sét nguồn điện 440 V, cắt lọc sét nguồn điện 440V, DEHN, Hahitech

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DBM 1 440 FM, DBM 1 440 FM 961 145, 961 145, 961145, chống sét nguồn điện 440 V, cắt lọc sét nguồn điện 440V, DEHN, Hahitech

DBM 1 440 FM, DBM 1 440 FM 961 145, 961 145, 961145, chống sét nguồn điện 440 V, cắt lọc sét nguồn điện 440V, DEHN, Hahitech


Download tài liệu DBM 1 440 FM

Download tài liệu hướng dẫn lắp đặt DBM 1 440 FM

Download tài liệu thiết bị chống sét DEHN

 

Coordinated DEHNblocMaxi1 440 FM single-pole lightning current arrester
Coordinated single-pole lightning current arrester, width: 2 mod.
Type 1 SPD according to EN 61643-11
with remote signalling contact
RADAX Flow spark gap technology
for follow current limitation
Max. continuous operating voltage: 440 V a.c.
Voltage protection level: <= 2.5 kV
Lightning impulse current (10/350 µs): 35 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: DBM 1 440 FM
Part No.: 961 145

or equivalent.

 

Type

DBM 1 440 FM

Part No.

961 145

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

type 1 / class I

Nominal voltage (a.c.) (UN)

400 V

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

440 V

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

35 kA

Specific energy (W/R)

306.25 kJ/ohms

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

35 kA

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 (t≤ 0.2 s)

500 A gG

Max. backup fuse (L) up to I= 50 kArms (t≤ 5 s)

250 A gG

Max. backup fuse (L-L')

125 A gG

Temporary overvoltage (TOV) (UT) – Characteristic

760 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, L', N/PEN) (min.)

10 mmsolid / flexible

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

50 mmstranded / 35 mmflexible

Cross-sectional area (L') (max.)

35 mmstranded / 25 mmflexible

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

UL, CSA

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 mmsolid / flexible

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)

250 A gG

Weight

520 g

GTIN

4013364116276

PU

1 pc(s)

Part No.

961 145



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