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CONNECTION

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Measuringcentres

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MC320,MC330,MC350&MC350H ‐ User’sManua

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Electricconnection

Voltageinputsofmeasuringcentrecanbeconnecteddirectlytolow‐voltagenetworkorviaavoltagemeasuring

transformertohigh‐voltagenetwork.

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Therearetwocurrentconnectionoptions(definedwhenordering):

‐ Throughholetransformer

‐ Screwterminalconnector

Dependingonyourcurrentconnections,refertoconnectiontablebelow.

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2 Choosecorrespondingconnectionfromthefiguresbelowandconnectcorrespondingvoltagesand

currents.InformationonelectricalconsumptionofcurrentandvoltageinputsisgiveninchapterInputs

onpage48.

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Connection1b(1W1b);

Singlephaseconnection

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Connection3b(1W3b)

Threephase,threewire

connectionwithbalancedload

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Connection3u(2W3u)

Threephase,threewire

connectionwithunbalanced

load

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Connection4b(1W4b)

Threephase,fourwire

connectionwithbalanced

load

Iskra MC330 User Manual

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