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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Description Prix 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
N° de stock RS 666-8172
Référence fabricantCAS 6-NP
MarqueLEM
12,47 €
Each
Unité
- Closed Loop 6A - 5.25 V - - - PCB Mount 200 → 300 kHz ±0.8 % - -40°C CAS
N° de stock RS 914-5310
Référence fabricantCT132TRAN10A-5/10V
MarqueHOBUT
37,12 €
Each
Unité
- - 10A - 15 30 V - - Loop Sensor DIN Rail 45 65 Hz Class 0.5 % 21mm -15°C CT132TRAN
N° de stock RS 914-5288
Référence fabricantCT132TRAN100A-4/20MA
MarqueHOBUT
48,56 €
Each
Unité
- - 100A 4 → 20mA 15 → 30 V - - Loop Sensor DIN Rail 45 → 65 Hz Class 0.5 % 21mm -15°C CT132TRAN
N° de stock RS 180-7391
Référence fabricantLA 55P/SP1
MarqueLEM
21,79 €
Each
Unité
- Closed Loop 0 100A 25mArms 12 15 V - - Hall Effect PCB Mount DC to 200 kHz ±0.9 % 12.7 x 7mm -40°C LA
N° de stock RS 146-2055
Référence fabricantCMS2025-SP3
MarqueSensitec
13,224 €
Each (In a Tray of 50)
Unité
- - 25A - ±15 V - - AMR Effect PCB Mount DC to 200 kHz ±0.8 % - -25°C CMS2000
N° de stock RS 497-243
Référence fabricantAT 150 B10
MarqueLEM
75,33 €
Each
Unité
- - 150A - - - - - Cable Tie 50/60 Hz ±1.5 % 16mm -20°C AT
N° de stock RS 801-6312
Référence fabricant2810612
159,18 €
Each
Unité
- - 0 → 5A 0 → 20mA 24 V dc - - - DIN Rail 45 → 65 Hz ±0.5 % - -20°C MACX MCR-SL-CAC-5-I
N° de stock RS 446-0591
Référence fabricantDK 100 B10
MarqueLEM
286,10 €
Each
Unité
- Open Loop 100A - 20 50 V dc - - Hall Effect Panel Mount - ±2 % 21.7mm -20°C DK
N° de stock RS 820-0435
Référence fabricant2904922
272,40 €
Each
Unité
- - 100 → 4000A 0 → 1A 24 V dc - - - Flange Mount 10 → 5000 Hz, 45 → 65 Hz ±0.21 % 8.3mm -30°C PACT RCP-4000A-1A-D140
N° de stock RS 321-6315
Référence fabricantLTS 15NP
MarqueLEM
12,18 €
Each
Unité
- Closed Loop 0 → ±48A - 5 V - - Hall Effect PCB Mount DC 100 to 200 kHz ±0.2 % 3.2mm -40°C LTS
N° de stock RS 522-068
Référence fabricantHAT 1000-S
MarqueLEM
49,45 €
Each
Unité
- Open Loop ±2500A - 15 V - - Hall Effect Busbar, Plug In DC to 25 kHz ±1 % 40.5 x 30.5mm -10°C HAT
N° de stock RS 793-4629
Référence fabricantCTSR 0.3-P
MarqueLEM
31,33 €
Each
Unité
- - 16 → 21.6 300mA 4.75 → 5.25 V - - Fluxgate PCB Mount 3.5 kHz 1.9 % 20.3mm -40°C CTSR
N° de stock RS 793-4584
Référence fabricantHLSR 10-P
MarqueLEM
7,07 €
Each
Unité
- Open Loop 25A 10A 4.5 → 5.5 V - - Hall Effect PCB Mount 400 kHz ±1 % - -40°C HLSR
N° de stock RS 801-6255
Référence fabricant2813457
189,66 €
Each
Unité
- - 0 100A - 20 30 V dc - - - Panel Mount 30 6000 Hz ±1 % 18.5mm -20°C MCR-SL-S-100-U
N° de stock RS 451-1368
Référence fabricantLF 305S
MarqueLEM
57,66 €
Each
Unité
- Closed Loop 0 300A 150mArms 12 20 V - - Hall Effect Panel Mount DC to 100 kHz ±0.5 % 20.1mm -40°C LF
N° de stock RS 497-338
Référence fabricantAT 100 B420
MarqueLEM
83,72 €
Each
Unité
- - 100A 4 20mA 20 30 V dc - - - Cable Tie 50/60 Hz ±1.5 % 16mm -20°C AT
N° de stock RS 198-857
Référence fabricantTT 50-SD
MarqueLEM
26,69 €
Each
Unité
- - 50A 16.66mA - - - - Cable Tie 50/60 Hz ±1 % 8mm -25°C TT
N° de stock RS 532-9198
Référence fabricantHAIS 50-P
MarqueLEM
18,92 €
Each
Unité
- Open Loop ±150A - 5 V - - Hall Effect PCB Mount DC to 50 kHz ±1 % 15 x 8mm -40°C HAIS
N° de stock RS 532-9261
Référence fabricantHTFS 800-P/SP2
MarqueLEM
19,75 €
Each
Unité
- Open Loop ±1200A - 5 V - - Hall Effect PCB Mount DC to 50 kHz ±1 % 22mm -40°C HTFS
N° de stock RS 198-762
Référence fabricantAT 10 B420L
MarqueLEM
62,82 €
Each
Unité
- - 10A 4 20mA 20 30 V dc - - - Cable Tie 50/60 Hz ±1.5 % 16mm -20°C AT