MCF lightning arrestor Spark gap technology for 400/690 V ...

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MCF lightning arrestor

Spark gap technologyfor 400/690 V network sys-tems

THINK CONNECTED.

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Highest system availability under the tough-est conditions.

MCF lightning arrestors protect machinesand systems withMulti Carbon Filled Technology

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Protection for 400/690 V power suppliesOBO created the lightning arrestors MCF 35 (type 1) especially for theprotection of 400/690 V networks. The protection device, tested accord-ing to IEC 61643-11 and certified according to UL 1449, can be installedsimply and quickly and is also suitable for use in climatic and mechani-cally challenging ambient conditions on account of its robust aluminiumhousing.

Additional areas of application• Wind power• Production• Industry• Refineries, oil and gas industry• Energy stations

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The benefit of the MCF lightning arrestor

The integrated AC Stop System prevents the possible release of back-upfuses in the case of an error and ensures high availability of the plant.The benefits of the spark gap arrestor, which is based on a new graphitetechnology, are not only the high follow current quenching capacity of 50kAeff, but also a visual status display, as well as the connection of remotesignalling to a potential-free changeover contact.

Function display

•Visual status display•With remote signaling, potential-

free changeover contact

High availability

The integrated AC Stop Systemprevents the triggering of back-upfuses in the case of an error

Graphite technology

High current quenching capacity of50 kAeff

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Universal

Use in various power systems, TN,TT and IT systems (with and with-out neutral conductors)

Tested

•Lightning arrestor type 1 accord-ing to IEC 61643-11

•UL certification according toUL1449 (E327489)

•BAM (German Institute for Mate-rial Research and Testing)

Easy to mount

Simple mounting in the switchgearcabinet thanks to prefabricatedmounting plates

Robust

Suitable for use in climatic andmechanically challenging ambientconditions on account of its robustaluminium housing

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Technical information

Nominal voltage UN 400 V / 50-60 Hz

Maximum continuous voltage AC UC 440 V

Lightning current Iimp (10/350 μs) 35 kA

Nominal discharge current In (8/20 μs) 35 kA

Follow current quenching capacity Ifi 50 kAeff

Protection level Up ≤ 2.5 kV

TOV resistance 760 V (5s)

Max. back-up fuse according to IEC 400 A gL/ gG

Short-circuit resistance IEFF 50 kA

Humidity 5% ... 95%

Visual display and remote signalling YES, potential-free changeover contact

Approval UL1449 (E327489)

Tested to EN 61643-11 Type 1   

Quick trigger unitSpark gapAttenuatorRemote signalling

IT system IT system with neutral conductor TN-C system

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440 1-pole

Type

MCF 35-1+FS-440

Highestcontinuous

voltage

Version

V

Item No.

5096 97 4

kg/100 pcs.

Weight

98,000

pcs

Pack.

1

Lightning arrestor type 1

• For lightning protection equipotential bonding to DIN EN 62305 (IEC 62305)• Lightning current arresting capacity 35 kA (10/350) per pole • Follow current extinguishing 50 kAeff, arrestor back-up fuse up to 400 A gL/gG• Encapsulated, non-extinguishing spark gap arrestor for use in distributor housings • Cut-off unit with visual indicator• Remote signalling with potential-free changeover contact

Application: 400/690 V network systems

AlG Cast aluminium /pc.

Lightning arrestor, 1-pole

440 3-pole

Type

MCF 35-P3+FS-440

Highestcontinuous

voltage

Version

V

Item No.

5096 97 6

kg/100 pcs.

Weight

400,000

pcs

Pack.

1

Lightning arrestor type 1

• Fully assembled 3-pole connection unit• For lightning protection equipotential bonding according to DIN EN 62305 (IEC 62305)• Lightning current arresting capacity 35 kA (10/350) per pole • Line following current quenching 50 kAeff, arrestor back-up fuse up to 400 A gL/gG• Encapsulated, non-extinguishing spark gap arrestor for use in distributor housings• Cut-off unit with visual indicator• Remote signalling with potential-free changeover contact• For finished mounting on bus bars and wallsApplication: 400/690 V power systems

AlG Cast aluminium /pc.

Lightning arrestor, 3-pole

1-pole

Type

MCF-MS-P1

Version Item No.

5096 99 2kg/100 pcs.

Weight

19,600pcs

Pack.

1

Mounting plate 1-pole• Mounting plate for installation of the arrestor MCF 35-1+FS-440• Prefabricated hole pattern for mounting the arrestor on busbars• Required screws for installation the arrestor enclosed

V2A Stainless steel, grade 304 /pc.

Mounting plate, 1-pole

1-pole

Type

MCF-MS-M10

Version Item No.

5096 99 0kg/100 pcs.

Weight

14,200pcs

Pack.

1

Mounting plate with threaded connector M10• Mounting plate with threaded M10 connector to install the arrestor MCF 35-1+FS-440• M10 bolts for direct installation of the arrestor on busbars• Required screws for installation enclosed

V2A Stainless steel, grade 304 /pc.

Mounting plate, 1-pole M10

3-pole

Type

MCF-MS-P3

Version Item No.

5096 99 4kg/100 pcs.

Weight

99,800pcs

Pack.

1

Mounting plate 3-pole• Mounting plate 3-pole for installation of the arrestor MCF 35-1+FS-440• Prefabricated hole pattern for mounting the arrestor on busbars• Suitable for wall mounting• Required screws for installation enclosed

V2A Stainless steel, grade 304 /pc.

Mounting plate, 3-pole

Surge protection

OBO BETTERMANN GmbH & Co. KGP.O. Box 112058694 Menden, Germany

Customer Service GermanyTel. +49 (0)2373 89-0Fax +49 (0)2373 89-1238E-mail: [email protected]

www.obo-bettermann.com

THINK CONNECTED.

© O

BO

BETT

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Stand: 16/10/2014

02 TBS_Brochure_MCF_Lightning Arrester

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