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Multilam TechnologyMultilam contacts

MC®-SEALconTACT

2

MC®-SEALconTACT MC®-SEALconTACTPatented design

New sealed contact for high currentconnection of uncleaned busbars.

KM SN

ILL. 1

•

•

•

•

•

• DIN

•

Applications• For high current transmission with

busbars and plates

• Contacting of unplated, unmachinedbusbars and plates

• Copper/copper, copper/aluminium(alloy)

• Indoor and outdoor-installations

• In corrosive atmospheres (e.g. sulp-hur dioxide (SO2), salt laden air (NaCI))

• Suitable for bolted joints in busbarsaccording to DIN

• Contact element is a modular design

AM-L SN

ILL. 2

AM-K SN

ILL. 3

1) 3) 14 1 KM SN 71.1006 Contact module 1) 3) 40x13,33x1,4 1,26 14 Stage 6 100 800 20 16 14

1) 3)2 AM-L SN 71.1007 Support module, long 1) 3) 40x13,33x1,4 3,05 – 28 100 – 14 50 peak

1) 3)3 AM-K SN 71.1008 Support module, short 1) 3) 13,33x13,33x1,4 0,8 – 8 100 – – –

1)

2)

3)

1) tin plated2) contact spacing3) plastic frame: polyamide

General data Mechanical data Electrical data

ILL.

Type

No.

Ord

er-N

o.

Des

crip

tion

2)

Dim

ensi

ons

2)

Wei

ght

Mul

tilam

™

Com

pres

sion

forc

e,m

in.

Con

tinuo

uste

mpe

ratu

re

Rat

edcu

rren

t

Sho

rt-ci

rcui

tcur

rent

mm g kN °C A 1s | s | 3skA2

3

Features• Energy-saving and maintenance free

• High-current transmission in hermeti -cally sealed chambers

• No oxidation or corrosion in the cham-bers. Low loss over long-time use

• The contact will not worsen in an ava-lanche effect due to heating

• Bars do not need cleaning

• Plating not required

• The torsion spring louver of theMC-Multilam permits the contact for -ce as well as the electrical performan-ce of the busbar joint to remain cons -tant even when the compressionforce drops to 50% of its initial value

• Economics of the installation: low re -sistance factor over a long period oftime (stable long-term behaviour), mi-nimum energy loses

• Busbar joints do not need any servi-cing

• High operating reliability

• Substantially prolonged service life

• Do-it-yourself easy assembly

Notice: In a corrosive atmosphereand with combinations of different ma -terials, in order to prevent corrosion po-tential differences should not exceed350mV. Silver-tin and silver-aluminiumcombinations should be avoided in acorrosive atmosphere. Also see Techni-cal Report IEC 60943:1998-01.MC-SEALconTACTs are suitable forunplated or plated connections Cu/Cu,Cu/Al alloys or Al alloys/Al alloys (e.g.AlMgSi0.5, EN-AW6060). The busbar ma-terial and application should be stated inany inquiries or orders forMC-SEALconTACTs.MC-SEALconTACTs must not be used inconnections with Cu/pure aluminium orpure aluminium/pure aluminium (e.g.with E-Al99.5, EN-AW1350) with orwithout electroplating. The contact re -sistance of a connection with MC-SEALconTACT can rise rapidly, resultingin marked heat generation.

•

•

•

•

•

•

•50

•

•

•

•

•

350 V

IEC6043 1998-01MC-SEALconTACT

ALM Si0.5 EN-AW6060)MC-SEALconTACT

MC-SEALconTACT

E-AI99.5 EN-AW1350)MC-SEALconTACT

5

ku (t)Long-term resistance factorku (t)

1/2MC-SEALconTACT

40mm x 40mm

8.8

Examples 1/2Standard MC-SEALconTACT40mm x 40mm

Tightening torque withlubricated bolts 60NmThread diameter M12

Maximum clamping lengthfor screws of propertyclass 8.8 or more 120mm

DIN 43673-6-160-13,5Busbars DIN 43673-6-160-13,5

MC-SEALconTACTWhen possible design the busbars andplates to suit the standard MC-SEALconTACT elements.

0

1

2

3

4

5

6

7

8

9

10

11

12

13

14

0010110

MC-SEALconTACT / with MC-SEALconTACTMC-SEALconTACT / without MC-SEALconTACT

/ Intervention limit for overhauls

kuR

esis

tanc

efa

ctor

ku

t [ ] / Sevice life t [Years]

60NmM12

120mm

1MC-SEALconTACT

- - - -

2

21. DIN

2.MC

MC-SEALconTACTMC- 1995:

MC-SEALconTACT

MC-SEALconTACT

6

3 elpmaxE 3

Notice 1With existing configurations not ini -tially designed for the standard MC-SEALconTACT, the– Tightening torque– Thread diameter– Bolt length– Bolt spacingsare to be defined according to the com-pression force of the contact and sup-port modules (page 2).Notice 21. The relevant DIN or other national

standards should be referred to, inparticular the current loading of thebusbars.

2. The MC-assembly instructions are tobe observed.

MC-Technical Papers onMC-SEALconTACT, 1995:Long-term Behaviour of Bare, BoltedBusbar Joints with and without the Con -tact Element, MC-SEALconTACT.Use of the contact element, MC-SEALconTACT, reduces electrical losses,prolongs service life and enhances thereliability of the entire installation.

MA015 Assembly instructions MA015www.multi-contact.comDocuments Assembly info

Industrial connectors

www.multi-contact.comDocuments Assembly info

Industrial connectors

7

MC-SEALconTACT Bolted busbar joints in Cu-Cu,Al-Al and Al-Cu withMC-SEALconTACT

8 10

40mm x 10mmE Al Mg Si 041 DIN 1725

40mm x 10mmCu ETP DIN 1787

Test resultsPage 8 10

Test arrangementAl-Cu connections, uncleaned,

cleaned Al, 40mm x 10mm,E Al Mg Si 041,bare, DIN 1725

Cu, 40mm x 10mm, Cu ETP,bare, DIN 1787

Long-term testing– indoors

– outdoors

Ageing tests(Accelerated time tests)Relaxation of bolt force

Temperature shockSalt mist

/ Technical University Dresden

Fachhochschule für Technik und Wirtschaft Berlin/

8

I = 800A, Tv = 90°C t = 19787 ( 27 )

ku

ku

ku

MC

Long-term testingIndoorsI = 800A, Tv = 90°CDuration t = 19787 hours (approx. 27months)

ku cleanedku cleanedku (average value), uncleaned, ac -cording to MC-Publication

1,0

1,2

1,4

1,6

1,8

2,0

2,2

2,4

2,6

2,8

3,0

3,2

3,4

3,6

1 10 100 1'000 10'000 100'000

MC with MC-SEALconTACT cleanedMC with MC-SEALconTACT uncleanedMC without MC-SEALconTACT cleaned

I = 535A, ∆Tv = 10K t = 21530 ( 29 )

ku

ku

OutdoorsI = 535A, ∆Tv = 10KDuration t = 21530 hours (approx. 29months)

ku cleanedku uncleaned

1,0

1,2

1,4

1,6

1,8

2,0

2,2

1 10 100 1'000 10'000 100'000

MC with MC-SEALconTACT cleaned

MC with MC-SEALconTACT uncleaned

t / time t

kuR

esis

tanc

efa

ctor

kuku

Res

ista

nce

fact

orku

t / time t

9

( )

t = 1000

4

Ageing tests(Accelerated time tests)Relaxation of bolt forceDuration t = 1000 hoursAmbient temperatureAverage value from 4 test samples

+180°C - 40°C,200 1 : 30 +180°C30 -40°C

10

Temperature shockTemperature range +180°C to -40°C,200 cycles1 cycle: 30 min. +180°C30 min. -40°CAverage value from 10 test samples

2,0

2,2

2,4

2,6

2,8

3,0

30,60 28,70 27,75 26,80 26,65 25,85 24,90 23,95 23,00 22,05 21,08

MC with MC-SEALconTACT

0,0

1,0

2,0

3,0

4,0

5,0

6,0

002051001050

MC with MC-SEALconTACT

MC without MC-SEALconTACT

Ru

[µ]

Join

tres

ista

nce

Ru

[µ]

F / Bolt force F [kN]

ku

Res

ista

nce

fact

orku

/ Number of cycles

10

0,0

1,0

2,0

3,0

4,0

5,0

6,0

7,0

8,0

9,0

10,0

0 5 10 15 20 25 30

IEC 68, Part 2 – 52 2, 30

1 : 24 10

Salt mistIEC 68, Part 2 – 52Degree of corrosiveness 2, 30 cycles1 cycle: 24 hoursAverage value from 10 test samples

Multilam TechnologyThe Multilam Principle

Multilam TechnologyThe Multilam PrincipleMultifunctional contact interface forconnectors and permanent contacts

MC Reference to otherMC-Catalogues

MC with MC-SEALconTACT

MC without MC-SEALconTACT

ku

Res

ista

nce

fact

orku

/ Number of cycles

11

MC MC

Sealed contact MC-SEALconTACT with MC-Multilams.

MC-SEALconTACT

Fork plug with a sealed contact module(MC-SEALconTACT) which allows contact onthe conection side with unplated, unmachi-ned busbars (aluminium, copper, brass).

:

Application:Outdoor permanent contact (Al-Cu) to a reactance coil.

/Customer:ABB, Semiconductors,

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