DSE M 1 242 FM, DSE M 1 242 FM 971 127, 971 127, 971127, chống sét nguồn điện 1 chiều 242 V, cắt lọc sét nguồn điện DC, DEHN

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DSE M 1 242 FM, DSE M 1 242 FM  971 127, 971 127,  971127, chống sét nguồn điện 1 chiều 242 V, cắt lọc sét nguồn điện DC, DEHN

DSE M 1 242 FM, DSE M 1 242 FM  971 127, 971 127,  971127, chống sét nguồn điện 1 chiều 242 V, cắt lọc sét nguồn điện DC, DEHN


Download tài liệu DSE M 1 242 FM

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Download tài liệu thiết bị chống sét DEHN

 

 

 

Coordinated DEHNsecure M 1 242 FM lightning current arrester
Modular, pluggable and coordinated single-pole lightning current arrester, wdith: 2 mod.
for d.c. applications
With remote signalling contact
Type 1 SPD according to EN 61643-11
Spark gap technology ideally suited for use in d.c. circuits
Fault indication
Max. continuous operating voltage: 242 V a.c.
Voltage protection level: <=2.5 kV
Lightning impulse current (10/350 µs): 25 kA
Short-circuit strength (d.c.): 25 kA
Energy-coordinated according to IEC 62305-4
with arresters of the Red/Line series

delivery and installation.

Brand: DEHN + SÖHNE
Type: DSE M 1 242 FM
Part No.: 971 127

or equivalent.


 

Type

DSE M 1 242 FM

Part No.

971 127

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

type 1 / class I

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

242 V

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

25 kA

Specific energy (W/R)

156.25 kJ/ohms

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

 

Voltage protection level (UP)

≤ 2.5 kV

Directly coordinated with DEHNguard

DG S 385 FM (Part No. 952 094)

Response time (tA)

≤ 100 ns

Short-circuit withstand capability for max. mains-side overcurrent protection d.c. (ISCCR)

25 kA

Max. mains-side overcurrent protection

250 A gL

Max. backup fuse (DC+/DC- -> DC+'/DC-')

125 A gL

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 (DC+/DC-, DC+'/DC-', 9/DC-) (min.)

10 mm2 solid / flexible

Cross-sectional area (DC+/DC-, 9/DC-) (max.)

50 mm2 stranded / 35 mm2 flexible

Cross-sectional area (DC+'/DC-') (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

 

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 mm2 solid / flexible

Extended technical data:

when used in safety lighting systems

– d.c. and a.c. operation

yes

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

255 V

– Max. backup fuse

10 A gG

Weight

254 g

GTIN

4013364144484

PU

1 pc(s)

Part No.

971 127


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