Current Transducers

Current transducers, or current sensors, are an electrical component that detects electric current in a wire and converts it into another type of electrical signal proportional to the current value. The generated signal could be analogue voltage, current or a digital output. This generated signal can be then used to display the measured current in an ammeter, or can be used for the purpose of controlling other circuits.

Current Transducer Types

Current sensors can be either open-loop or closed-loop.
•Open-Loop Sensor: This type measures AC and DC currents and provides electrical isolation between the circuit being measured and the output of the sensor. Open-loop current sensors are generally preferred in battery-powered circuits.


•Closed-Loop Sensor: The Closed-Loop sensor is sometimes called a ’Zero-Flux’ sensor because it features a Hall-Effect sensor that feeds back an opposing current into a secondary coil, wound on the magnetic core to zero the flux produced in the magnetic core by the primary current. Closed-loop sensors are often used when high accuracy is essential.

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Beskrivning Pris Input Current Range Sensor Technology Nominal Current Output Current Range Supply Voltage Transformer Type Maximum Cable Diameter Sensor Type Mounting Type Frequency Bandwidth Accuracy Bore Size Minimum Operating Temperature Series
RS-artikelnummer 532-9154
Tillv. art.nrHAIS 150-P
VarumärkeLEM
209,90 kr
Each
Enheter
- Open Loop ±450A - 5 V - - Hall Effect PCB Mount DC to 50 kHz ±1 % 15 x 8mm -40°C HAIS
RS-artikelnummer 793-4635
Tillv. art.nrLA 150-P
VarumärkeLEM
257,67 kr
Each
Enheter
- Closed Loop 150A 75mA 12 → 15 V - - Hall Effect PCB Mount 150 kHz <0.5 % 13.5 x 10mm -40°C LA
RS-artikelnummer 446-0608
Tillv. art.nrDK 200 B10
VarumärkeLEM
3 578,67 kr
Each
Enheter
- Open Loop 200A - 20 50 V dc - - Hall Effect Panel Mount - ±2 % 21.7mm -20°C DK
RS-artikelnummer 337-2718
Tillv. art.nr2814715
VarumärkePhoenix Contact
2 896,45 kr
Each
Enheter
- - 0 11A 0 20mA 20 30 V dc - - - Chassis Mount 15 400 Hz <0.5 % - -20°C MCR-S-1-5-UI-DCI-NC
RS-artikelnummer 136-2033
Tillv. art.nrTLI4970D050T5XUMA1
VarumärkeInfineon
35,97 kr
Each
Enheter
- - 20 - 3.1 3.5 V - - Hall Effect Surface Mount 18 kHz 3.5 % - -40°C TLI4970
RS-artikelnummer 136-5727
Tillv. art.nrTT25-78FH2DRZ00000
VarumärkeSifam Tinsley
1 141,55 kr
Each
Enheter
- - - 4 20mA 24 60 V ac/dc, 60 300 V ac/dc - - - DIN Rail - 0.2 % - 0°C -
RS-artikelnummer 848-6796
Tillv. art.nrDVL 750
VarumärkeLEM
2 003,17 kr
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- - - 50mA ±15 24 V - - - Panel Mount 14 kHz - - -40°C DVL
RS-artikelnummer 666-8198
Tillv. art.nrCASR 50-NP
VarumärkeLEM
150,28 kr
Each
Enheter
- Closed Loop 50A - 5.25 V - - - PCB Mount 200 → 300 kHz ±0.8 % - -40°C CASR
RS-artikelnummer 497-209
Tillv. art.nrAT 50 B420L
VarumärkeLEM
865,77 kr
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- - 50A 4 20mA 20 30 V dc - - - Cable Tie 50/60 Hz ±1.5 % 16mm -20°C AT
RS-artikelnummer 666-8194
Tillv. art.nrCASR 25-NP
VarumärkeLEM
136,86 kr
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- Closed Loop 25A - 5.25 V - - - PCB Mount 200 → 300 kHz ±0.8 % - -40°C CASR
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