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 793-4593
Référence fabricantHLSR 50-P
MarqueLEM
7,07 €
Each
Unité
- Open Loop 125A 50A 4.5 → 5.5 V - - Hall Effect PCB Mount 400 kHz ±1 % - -40°C HLSR
N° de stock RS 198-835
Référence fabricantAT 20 B10
MarqueLEM
48,85 €
Each
Unité
- - 20A - - - - - Cable Tie 50/60 Hz ±1.5 % 16mm -20°C AT
N° de stock RS 497-192
Référence fabricantHASS 200-S
MarqueLEM
15,57 €
Each
Unité
- Open Loop ±600A - 5 V - - Hall Effect Panel Mount DC to 50 kHz ±1 % 20.4 x 10.4mm -40°C HASS
N° de stock RS 521-992
Référence fabricantLF 205-S/SP3
MarqueLEM
70,14 €
Each
Unité
- Closed Loop 0 200A 100mArms 12 15 V - - Hall Effect Panel Mount DC to 100 kHz ±0.5 % 15.5mm -40°C LF
N° de stock RS 793-4632
Référence fabricantATO-75BILD10
MarqueLEM
22,71 €
Each
Unité
- - 90A 90mA - - - - - 50 Hz, 60 Hz ±1 % 10mm -25°C CAS
N° de stock RS 207-2984
Référence fabricantLA 205-S
MarqueLEM
78,60 €
Each
Unité
- Closed Loop 0 300A 100mArms 12 15 V - - Hall Effect Panel Mount DC to 100 kHz ±0.8 % 22.7 x 17.4mm -10°C LA
N° de stock RS 497-221
Référence fabricantLA 25-P
MarqueLEM
31,22 €
Each
Unité
- Closed Loop 0 55A 25mArms 12 15 V - - Hall Effect PCB Mount DC to 200 kHz ±1.25 % - -25°C LA
N° de stock RS 499-5536
Référence fabricantAP 50 B10
MarqueLEM
109,20 €
Each
Unité
- Closed Loop 50A - 24 V dc - - - DIN Rail 30 → 2000 Hz ±1 % 18mm -20°C AP
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 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 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 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 337-2718
Référence fabricant2814715
267,38 €
Each
Unité
- - 0 11A 0 20mA 20 30 V dc - - - Chassis Mount 15 400 Hz <0.5 % - -20°C MCR-S-1-5-UI-DCI-NC
N° de stock RS 763-9797
Référence fabricantCMS2025-SP3
MarqueSensitec
14,18 €
Each
Unité
- - 25A - ±15 V - - AMR Effect PCB Mount DC to 200 kHz ±0.8 % - -25°C CMS2000
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 527-8539
Référence fabricantDHR 200 C10
MarqueLEM
199,54 €
Each
Unité
- Open Loop 200A - 20 → 50 V dc - - Hall Effect Panel Mount DC 20 to 6000 Hz ±1 % 32mm -40°C DHR
N° de stock RS 451-1346
Référence fabricantLF 205P
MarqueLEM
58,50 €
Each
Unité
- Closed Loop 0 420A 100mArms 12 15 V - - Hall Effect PCB Mount DC to 100 kHz ±0.5 % 15.5mm -40°C LF
N° de stock RS 793-4613
Référence fabricantDVL 1000
MarqueLEM
199,54 €
Each
Unité
- - - 50mA ±15 → 24 V - - - Panel Mount 14 kHz ±0.5 % - -40°C DVL
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 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