Current Sense Transformers

Manufacturer Series Packaging Product Status Frequency Range Type Current Rating (Amps) Inductance ET (Volt-Time) Turns Ratio - Primary:Secondary Current Ratio DC Resistance (DCR) Ratings Mounting Type Size / Dimension Height - Seated (Max) Termination Style

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Current Sense Transformers

Current Sense Transformers are magnetic components used to detect, monitor and measure current in electronic and electrical systems. They provide isolation between the primary current path and sensing circuitry, making them suitable for power monitoring, overload detection, feedback control and protection functions. They are widely used in power supplies, motor drives, industrial control equipment, energy meters, inverters, battery systems, communication equipment and embedded applications.

This category includes current transformers, current sensing transformers, AC current sense transformers, PCB current transformers, split-core current transformers and related magnetic sensing components. These products are commonly selected based on current range, turns ratio, frequency range, isolation voltage, accuracy, burden resistance, mounting type, package style and application requirements.

TomatoElec supplies original Current Sense Transformers from recognized manufacturers such as Pulse Electronics, Bourns, Würth Elektronik, TDK, Murata, Triad Magnetics, Coilcraft, Hammond Manufacturing and other major brands. As an in-stock electronic components supplier and independent distributor, TomatoElec provides inventory support, original component sourcing and BOM sourcing services for global customers.

Photo Mfr. Part # Availability Price Quantity Datasheet Series Packaging Product Status Frequency Range Type Current Rating (Amps) Inductance ET (Volt-Time) Turns Ratio - Primary:Secondary Current Ratio DC Resistance (DCR) Ratings Mounting Type Size / Dimension Height - Seated (Max) Termination Style
TWCT-T-D35 50/5A VA 5 CL 5

TWCT-T-D35 50/5A VA 5 CL 5

TAPE WOUND CT WITH 50/5A

Selec Controls USA Inc.

17 -
RFQ
TWCT-T-D35 50/5A VA 5 CL 5

Datasheet

TWCT Box Active 50Hz ~ 60Hz Non-Invasive (Solid Core) - - - - 50:5 - - Free Hanging (In-Line) 3.150" L x 2.756" W (80.00mm x 70.00mm) 1.772" (45.00mm) Wire Leads
TWCT-T-D35 150/5A VA 5 CL 1

TWCT-T-D35 150/5A VA 5 CL 1

TAPE WOUND CT WITH 150/5A

Selec Controls USA Inc.

14 -
RFQ
TWCT-T-D35 150/5A VA 5 CL 1

Datasheet

TWCT Box Active 50Hz ~ 60Hz Non-Invasive (Solid Core) - - - - 150:5 - - Free Hanging (In-Line) 3.150" L x 2.756" W (80.00mm x 70.00mm) 1.378" (35.00mm) Wire Leads
TWCT-T-D35 30/5A VA 1.5 CL 5

TWCT-T-D35 30/5A VA 1.5 CL 5

TAPE WOUND CT WITH 30/5A

Selec Controls USA Inc.

7 -
RFQ
TWCT-T-D35 30/5A VA 1.5 CL 5

Datasheet

TWCT Box Active 50Hz ~ 60Hz Non-Invasive (Solid Core) - - - - 30:5 - - Free Hanging (In-Line) 3.150" L x 2.756" W (80.00mm x 70.00mm) 1.772" (45.00mm) Wire Leads
CRZ8345-1K5W

CRZ8345-1K5W

ZERO SEQUENCE CURRENTTRANSFORMER

CR Magnetics Inc.

22 -
RFQ
CRZ8345-1K5W

Datasheet

- Box Active 50Hz ~ 60Hz Non-Invasive (Solid Core) - - - 1:1000:5 - 55Ohm - Through Hole 1.258" L x 1.201" W (31.95mm x 30.50mm) 0.374" (9.50mm) PC Pin
TWCT-T-D120 1000/5A VA 10 CL 0.5

TWCT-T-D120 1000/5A VA 10 CL 0.5

TAPE WOUND CT WITH 1000/5A

Selec Controls USA Inc.

20 -
RFQ
TWCT-T-D120 1000/5A VA 10 CL 0.5

Datasheet

TWCT Box Active 50Hz ~ 60Hz Non-Invasive (Solid Core) - - - - 1000:5 - - Free Hanging (In-Line) 6.496" L x 6.102" W (165.00mm x 155.00mm) 0.984" (25.00mm) Wire Leads
TWCT-T-D110 800/5A VA 10 CL 0.5

TWCT-T-D110 800/5A VA 10 CL 0.5

TAPE WOUND CT WITH 800/5A

Selec Controls USA Inc.

10 -
RFQ
TWCT-T-D110 800/5A VA 10 CL 0.5

Datasheet

TWCT Box Active 50Hz ~ 60Hz Non-Invasive (Solid Core) - - - - 800:5 - - Free Hanging (In-Line) 5.709" L x 1.378" W (145.00mm x 35.00mm) 1.378" (35.00mm) Wire Leads
CRZ8345-2K5W

CRZ8345-2K5W

ZERO SEQUENCE CURRENTTRANSFORMER

CR Magnetics Inc.

10 -
RFQ
CRZ8345-2K5W

Datasheet

- Box Active 50Hz ~ 60Hz Non-Invasive (Solid Core) - - - 1:1000:5 - 115Ohm - Through Hole 1.258" L x 1.201" W (31.95mm x 30.50mm) 0.374" (9.50mm) PC Pin
CRZ8445-2K5W

CRZ8445-2K5W

ZERO SEQUENCE CURRENTTRANSFORMER

CR Magnetics Inc.

11 -
RFQ
CRZ8445-2K5W

Datasheet

CRZ Box Active 50Hz ~ 60Hz Non-Invasive (Solid Core) - - - 1:2000:5 - 115Ohm - Free Hanging (In-Line) 1.295" L x 1.201" W (32.90mm x 30.50mm) 0.374" (9.50mm) Wire Leads
TWCT-T-D120 1200 /5A VA 10 CL 0.5

TWCT-T-D120 1200 /5A VA 10 CL 0.5

TAPE WOUND CT WITH 1200/5A

Selec Controls USA Inc.

20 -
RFQ
TWCT-T-D120 1200 /5A VA 10 CL 0.5

Datasheet

TWCT Box Active 50Hz ~ 60Hz Non-Invasive (Solid Core) - - - - 1200:5 - - Free Hanging (In-Line) 6.496" L x 6.102" W (165.00mm x 155.00mm) 0.984" (25.00mm) Wire Leads
CRZ8445-1K5W

CRZ8445-1K5W

ZERO SEQUENCE CURRENTTRANSFORMER

CR Magnetics Inc.

13 -
RFQ
CRZ8445-1K5W

Datasheet

- Box Active 50Hz ~ 60Hz Non-Invasive (Solid Core) - - - 1:1000:5 - 55Ohm Secondary - Free Hanging (In-Line) 1.295" L x 1.201" W (32.90mm x 30.50mm) 0.374" (9.50mm) Wire Leads
SPCT-140/100-800/5A-VA15-CL0.5-CE

SPCT-140/100-800/5A-VA15-CL0.5-CE

BUS BAR CT WITH 800/5A

Selec Controls USA Inc.

16 -
RFQ
SPCT-140/100-800/5A-VA15-CL0.5-CE

Datasheet

SPCT Box Active 50Hz ~ 60Hz Non-Invasive (Solid Core) - - - - 800:5 - - DIN Rail, Panel 5.512" L x 2.047" W (140.00mm x 52.00mm) 6.102" (155.00mm) Terminal Block
SPCT-140/100-1000/5A-VA15-CL0.5-CE

SPCT-140/100-1000/5A-VA15-CL0.5-CE

BUS BAR CT WITH 1000/5A

Selec Controls USA Inc.

20 -
RFQ
SPCT-140/100-1000/5A-VA15-CL0.5-CE

Datasheet

SPCT Box Active 50Hz ~ 60Hz Non-Invasive (Solid Core) - - - - 1000:5 - - DIN Rail, Panel 5.512" L x 2.047" W (140.00mm x 52.00mm) 6.102" (155.00mm) Terminal Block
TWCT-T-D120 1600 /5A VA 10 CL 0.5

TWCT-T-D120 1600 /5A VA 10 CL 0.5

TAPE WOUND CT WITH 1600/5A

Selec Controls USA Inc.

20 -
RFQ
TWCT-T-D120 1600 /5A VA 10 CL 0.5

Datasheet

TWCT Box Active 50Hz ~ 60Hz Non-Invasive (Solid Core) - - - - 1600:5 - - Free Hanging (In-Line) 6.496" L x 6.102" W (165.00mm x 155.00mm) 0.984" (25.00mm) Wire Leads
SPCT-140/100-1600/5A-VA15-CL0.5-CE

SPCT-140/100-1600/5A-VA15-CL0.5-CE

BUS BAR CT WITH 1600/5A

Selec Controls USA Inc.

20 -
RFQ
SPCT-140/100-1600/5A-VA15-CL0.5-CE

Datasheet

SPCT Box Active 50Hz ~ 60Hz Non-Invasive (Solid Core) - - - - 1600:5 - - DIN Rail, Panel 5.512" L x 2.047" W (140.00mm x 52.00mm) 6.102" (155.00mm) Terminal Block
CRZ8465-1K5W

CRZ8465-1K5W

ZERO SEQUENCE CURRENTTRANSFORMER

CR Magnetics Inc.

12 -
RFQ

-

- Box Active 50Hz ~ 60Hz Non-Invasive (Solid Core) - - - 1:1000:5 - - - Free Hanging (In-Line) 2.165" L x 2.047" W (55.00mm x 52.00mm) 0.472" (12.00mm) Wire Leads
SPCT-140/100-1250/5A-VA15-CL0.5-CE

SPCT-140/100-1250/5A-VA15-CL0.5-CE

BUS BAR CT WITH 1250/5A

Selec Controls USA Inc.

20 -
RFQ
SPCT-140/100-1250/5A-VA15-CL0.5-CE

Datasheet

SPCT Box Active 50Hz ~ 60Hz Non-Invasive (Solid Core) - - - - 1250:5 - - DIN Rail, Panel 5.512" L x 2.047" W (140.00mm x 52.00mm) 6.102" (155.00mm) Terminal Block
SPCT-140/100-1200/5A-VA15-CL0.5-CE

SPCT-140/100-1200/5A-VA15-CL0.5-CE

BUS BAR CT WITH 1200/5A

Selec Controls USA Inc.

20 -
RFQ
SPCT-140/100-1200/5A-VA15-CL0.5-CE

Datasheet

SPCT Box Active 50Hz ~ 60Hz Non-Invasive (Solid Core) - - - - 1200:5 - - DIN Rail, Panel 5.512" L x 2.047" W (140.00mm x 52.00mm) 6.102" (155.00mm) Terminal Block
CRZ8359-2K5W

CRZ8359-2K5W

ZERO SEQUENCE CURRENTTRANSFORMER

CR Magnetics Inc.

8 -
RFQ
CRZ8359-2K5W

Datasheet

- Box Active 50Hz ~ 60Hz Non-Invasive (Solid Core) - - - 1:2000:5 - 55Ohm - Through Hole 2.205" L x 1.969" W (56.00mm x 50.00mm) 0.787" (20.00mm) PC Pin
SPCT-140/100-2500/5A-VA15-CL0.5-CE

SPCT-140/100-2500/5A-VA15-CL0.5-CE

BUS BAR CT WITH 2500/5A

Selec Controls USA Inc.

20 -
RFQ
SPCT-140/100-2500/5A-VA15-CL0.5-CE

Datasheet

SPCT Box Active 50Hz ~ 60Hz Non-Invasive (Solid Core) - - - - 2500:5 - - DIN Rail, Panel 5.512" L x 2.047" W (140.00mm x 52.00mm) 6.102" (155.00mm) Terminal Block
SPCT-140/100-1500/5A-VA15-CL0.5-CE

SPCT-140/100-1500/5A-VA15-CL0.5-CE

BUS BAR CT WITH 1500/5A

Selec Controls USA Inc.

20 -
RFQ
SPCT-140/100-1500/5A-VA15-CL0.5-CE

Datasheet

SPCT Box Active 50Hz ~ 60Hz Non-Invasive (Solid Core) - - - - 1500:5 - - DIN Rail, Panel 5.512" L x 2.047" W (140.00mm x 52.00mm) 6.102" (155.00mm) Terminal Block
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