Split Core Transformers (x/1A, x/5A)

This type of current transformer with standard secondary rated current of 5A resp. 1A is suitable to measure broad range of AC loads op to 1kA. Its biggest advantage is a simple and standard installation procedure. Thanks to the split-core construction of our transformers it is possible even without disconnection of the measured load. Split-core CTs can be simply opened and clamped around the wire/line even in systems under operation (with precaution). This CT is supported by our instruments SML 33, SML 133, SMM and SMN 33, SMV and SMVQ, SMP and SMPQ and by all our NOVAR power factor controllers

Classification

Split-core(Clamp-on) Current Transformer - Primary Low VA CT

Model

JC24S-100

JC24S-250

JC36S-400

JC36S-500

JC36S-600

Shape

Hole Dia.

24mm

24mm

36mm

36mm

36mm

Current Ratio

100A/1A

250A/1A

400A/1A

500A/1A

600A/1A

Output voltage

0.5V/0.5Ω

0.5V/0.5Ω

0.5V/0.5Ω

0.5V/0.5Ω

0.5V/0.5Ω

Nominal Phase
Angle Error

+2.0 ±1°

+1.0 ±1°

+1.0 ±1°

+1.0 ±1°

+1.0 ±1°

Nominal
Linearity Error

±1%

±1%

±1%

±1%

±1%

Turns Ratio

100:1

250:1

400:1

500:1

600:1

Protection Level

Bipolar 6.5Vp

Bipolar 6.5Vp

Bipolar 6.5Vp

Bipolar 6.5Vp

Bipolar 6.5Vp

Insulation Resistance

DC500V/100MΩ or more (between Core and Output terminals)

Dielectric Strength

AC 2500V/1min. (between Core and Output terminals)

Output Terminals

2 x M3-Screw, with terminals cover


Classification

Split-core(Clamp-on) Current Transformer - Primary Low VA CT

Model

JC24S

JC36S

Shape

Part No.

JC24S-
100/5

JC24S-
150/S

JC24S-
200/5

JC24S-
300/5

JC24S-
400/5

JC36S-
200/5

JC36S-
300/5

JC36S-
400/5

JC36S-
500/5

JC36S-
600/5

Hole Dia.

24mm

24mm

24mm

24mm

24mm

36mm

36mm

36mm

36mm

36mm

Rated primary
current (In)

100A

150A

200A

300A

400A

200A

300A

400A

500A

600A

Rated secondary
current (In)

5A

5A

5A

5A

5A

5A

5A

5A

5A

5A

Rated Burden

0.5VA

0.5VA

0.5VA

1VA

1VA

1VA

1.5VA

1.5VA

1.5VA

1.5VA

Accuracy/Linearity

±3.0% against rated primary current In

Phase Difference

Within ±3° against rated primary current In

Operating circuit
voltage

Within 500V AC

Turns Ratio

20:1

30:1

40:1

50:1

60:1

40:1

60:1

80:1

100:1

120:1

Insulation Resistance

DC500V/100MΩ or more (between Core and Output terminals)

Dielectric Strength

AC 2500V/1min. (between Core and Output terminals)

Output Terminals

2 x M3-Screw, with terminals cover


Classification

Split-core(Clamp-on) Current Transformer - Primary CT

Model

JCB-0203

JCB-0508

Shape

Feature

                              - Rated Primary current: 100-1000A
                              - Rated Secondary current: 5A
                              - Rated Load: 1.0 / 2.5 / 5.0 / 10 / 20VA
                              - Accuracy: 0.5 / 1.0 / 3.0 class
                              - Highest Voltage for Equipment Um(rms): 720Vac
                              - Rated AC Withstanding Voltage (50/60Hz): 3000Vac

Nominal current ratio

100:5

150:5

200:5

250:5

300:5

400:5

250:5

300:5

400:5

500:5

600:5

750:5

800:5

1000:5

Burden
(VA)

Class 0.5

-

-

-

-

1.5

2.5

1

1.5

2.5

2.5

2.5

3

3

5

Class 1.0

-

-

1.5

2

4

6

2

3

3

5

5

6

7

10

Class 3.0

1.5

2

2.5

4

6

10

4

6

10

15

17.5

18

18

20


Classification

Split-core(Clamp-on) Current Transformer - Primary CT

Model

JC32

Shape

Feature

                              - Rated Primary current: 100-600A
                              - Rated Secondary current: 5A or 1A
                              - Rated Load: 5 / 15VA
                              - Accuracy: 1.0 / 3.0 class
                              - Highest Voltage for Equipment Um(rms): 1.15kVac
                              - Rated AC Withstanding Voltage (50/60Hz): 3000Vac

Nominal current ratio

100:5
120:5
150:5

200:5
250:5
300:5

400:5
500:5
600:5

100:1
120:1
150:1

200:1
250:1
300:1

400:1
500:1
600:1

Burden
(VA)

Class 1.0

-

5VA

15VA

-

5VA

15VA

Class 3.0

5VA

-

-

5VA

-

-


Classification

Split-core(Clamp-on) Current Transformer - JCLA

Model

JCLA-100

JCLA-200

JCLA-1000

JCLA-2000

JCLA-2500

Shape

Current Ratio

100A/1A

200A/1A

100A/100mA

200A/200mA

100A/50mA

200A/100mA

5A/2mA

Current Range

50mA~100A

100mA~200A

10mA~200A

1mA~200A

1mA~200A

Max. Continuous
Current

200A

300A

300A

300A

300A

Output voltage

500mV/0.5Ω

500mV/0.5Ω

100mV/1Ω

200mV/1Ω

250mV/5Ω

500mV/5Ω

20mV/10Ω

Nominal Phase
Angle Error

+0.5 ±1°

Nominal
Linearity Error

-0.5 ±1%

Turns Ratio

100:1

200:1

1000:1

2000:1

2500:1

DCR

0.43Ω

0.93Ω

20Ω

8.28Ω

133Ω

Load Impedance

0.1Ω~0.5Ω

0.1Ω~0.5Ω

0.1Ω~1Ω

0.1Ω~5Ω

0.1Ω~10Ω

Working Voltage
in circuit

30V on naked conductors

Insulation Resistance

DC500V/100MΩ or more (between Core and Output terminals)

Dielectric Strength

AC 4000V/1min. (between Core and Output terminals)

Output Terminals

4mm safety terminals

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