split core current transformer - gfuve · split core current transformer split core current...

LZCK310-10 SPLIT CORE CURRENT TRANSFORMER WWW.GFUVE.COM Split Core Current Transformer | EDITION : 14-02 | Page 1 of 3 Subject to change without notice LZCK310-10 Split Core Current Transformer Outline drawing Wiring diagrams P1 S1 S2 P2 P1 S1 S2 S3 P2 P1 S1 S2 S3 P2 Single winding Secondary winding with tap Double winding P1, P2 is primary polarity terminal, S1, S2 is secondary polarity terminal. P2, S2 is homonymous terminals (subtracve polarity). LZCK series split core current transformer is suitable for current measurement and microcomputer protecon of electrical equipment in 10KV and 35KV AC power system. It is widely used in compact fully insulated ring network switchgears such as ABB-SafeRing/SafePlus...and cable distribuon boxes. The transformer can be directly installed at the inlet and outlet cables.The slice is imported silicon material. The semicircular ring core and secondary windings are vacuum poured by insulated resin.

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Page 1: Split Core Current Transformer - GFUVE · SPLIT CORE CURRENT TRANSFORMER Split Core Current Transformer | EDITION : 14-02 | Page 3 of 3 Subject to change without notice Ordering information

LZCK310-10SPLIT CORE CURRENT TRANSFORMER

WWW.GFUVE.COM Split Core Current Transformer | EDITION : 14-02 | Page 1 of 3

Subject to change without notice

LZCK310-10Split Core Current Transformer

Outline drawing

Wiring diagramsP1

S1 S2

P2 P1

S1 S2 S3

P2 P1

S1 S2 S3

Single winding Secondary winding with tap Double winding

P1, P2 is primary polarity terminal, S1, S2 is secondary polarity terminal.P2, S2 is homonymous terminals (subtractive polarity).

LZCK series split core current transformer is suitable for current measurement and microcomputer protection of electrical equipment in 10KV and 35KV AC power system. It is widely used in compact fully insulated ring network switchgears such as ABB-SafeRing/SafePlus...and cable distribution boxes.The transformer can be directly installed at the inlet and outlet cables.The slice is imported silicon material. The semicircular ring core and secondary windings are vacuum poured by insulated resin.

Page 2: Split Core Current Transformer - GFUVE · SPLIT CORE CURRENT TRANSFORMER Split Core Current Transformer | EDITION : 14-02 | Page 3 of 3 Subject to change without notice Ordering information

TypePurpose

RatioI1/I2 0.5 1 3 10P15 10P10 10P5

300/1 1.5 2.5 2.5 1.5 2.5400/1 2.5 3.75 3.75 1.5 2.5500/1 2.5 5 5 1.5 2.5 5600/1 2.5 5 5 1.5 2.5 5300/5 2.5 3.75 3.75 1 2.5400/5 5 7.5 7.5 1.5 3.75500/5 5 7.5 7.5 2.5 5600/5 5 7.5 10 2.5 5

LZCK310-10 LZCK310-10Measuring current transformer Protection current transformer

Accuracy class and rated load(VA) Accuracy class and rated load(VA)

LZCK310-10SPLIT CORE CURRENT TRANSFORMER

Technical data

Parameters

WWW.GFUVE.COM Split Core Current Transformer | EDITION : 14-02 | Page 2 of 3

Subject to change without notice

Technical parametersStandards IEC60044-1; IEC 61869-2; NTC 2205; GB1208-2006Rated primary current 300-600ARated load ≤10VARated frequency 50Hz or 60HzRated secondary current 5A or 1ARated short-time thermal current 40kA, 1SRated continuous thermal current 120%I1n

Secondary winding power-frequency voltage 3kV, 1minInstrument security factor FS ≤10

Mechanical parametersDimensions (W×D×H) (mm) φ50xφ110x32Weight (kg) 1

Operating conditionsOperating temperature -35°C to +55°CDaily average temp < +40°CAltitude <3500 metersCondition No existence of severely begrimed, erosive and

radioactive gas in the air. Permission of long-termoperation under rated current.

Page 3: Split Core Current Transformer - GFUVE · SPLIT CORE CURRENT TRANSFORMER Split Core Current Transformer | EDITION : 14-02 | Page 3 of 3 Subject to change without notice Ordering information

LZCK310-10SPLIT CORE CURRENT TRANSFORMER

WWW.GFUVE.COM Split Core Current Transformer | EDITION : 14-02 | Page 3 of 3

Subject to change without notice

Ordering informationBe sure to the type, current ratio, accuracy class, rated load and use of the products when you plan to make a order. Special specifications could be customized.All kinds of different specifications and parameters current transformers can be made according to your needs.

Selection guide

Option

ModelPrimary rated

currentRated load

Aperture(mm)

Description (mm)

Weight(kg)

Material

Water-proof

LMCK055-10 300-1200A ≤10VA φ55 180×138×52 2 PC IP65LMCK185-10 300-3000A ≤25VA φ185 350×283×55 4.5 PC IP65LZCK310-10 300-600A ≤10VA φ50 φ50 x φ110 x 32 1 Resin silicon case (option)LZCK322-10 30-600A ≤10VA φ50 φ50 x φ110 x 52 1.6 Resin silicon case (option)LZCK350-10 20-600A ≤25VA φ50 φ50 x φ110 x 105 3.1 Resin silicon case (option)LZCG530-10 30-600A ≤20VA φ45 φ45 x φ120 x 65 5 Resin silicon case (option)

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