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 Price 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 Stock No. 532-9126
Mfr. Part No.HXS 50-NP
BrandLEM
kr 90,93
Each
Units
- Open Loop ±150A - 5 V - - Hall Effect PCB Mount DC to 50 kHz ±1 % - -40°C HXS
RS Stock No. 650-560
Mfr. Part No.CSLA1CF
BrandHoneywell
kr 278,66
Each
Units
- Open Loop 0 → 100A - 8 → 16 V dc - - Hall Effect PCB Mount - - 10.9mm -25°C CSL
RS Stock No. 446-0563
Mfr. Part No.AKR 5 B420L
BrandLEM
kr 3 969,75
Each
Units
- - 5A 4 → 20mA 24 V dc, 150 V ac - - - Panel Mount 10 → 400 Hz ±1 % 21.7mm -20°C AKR
RS Stock No. 451-1346
Mfr. Part No.LF 205P
BrandLEM
kr 610,66
Each
Units
- Closed Loop 0 420A 100mArms 12 15 V - - Hall Effect PCB Mount DC to 100 kHz ±0.5 % 15.5mm -40°C LF
RS Stock No. 206-2404
Mfr. Part No.HAL 200-S
BrandLEM
kr 477,06
Each
Units
- Open Loop ±600A - 15 V - - Hall Effect Panel Mount DC to 50 kHz ±1 % 20 x 15mm -25°C HAL
RS Stock No. 833-2881
Mfr. Part No.CMS-200DR
BrandABB
kr 870,38
Each
Units
- - 160A - 690 V ac, 1500 V dc - - CMS Sensor DIN Rail 50/60 Hz ±0.7 % 15mm -25°C CMS
RS Stock No. 522-018
Mfr. Part No.HAT 500-S
BrandLEM
kr 468,39
Each
Units
- Open Loop ±1500A - 15 V - - Hall Effect Busbar, Plug In DC to 25 kHz ±1 % 40.5 x 30.5mm -10°C HAT
RS Stock No. 451-1380
Mfr. Part No.LF 505S
BrandLEM
kr 1 396,00
Each
Units
- Closed Loop 0 800A 100mArms 15 24 V - - Hall Effect Panel Mount DC to 100 kHz ±0.6 % 30.2mm -40°C LF
RS Stock No. 451-1374
Mfr. Part No.LF 306S
BrandLEM
kr 910,76
Each
Units
- Closed Loop 0 → 500A 150mArms 12 → 15 V - - Hall Effect Panel Mount DC to 100 kHz ±0.4 % 25.5mm -25°C LF
RS Stock No. 497-338
Mfr. Part No.AT 100 B420
BrandLEM
kr 927,21
Each
Units
- - 100A 4 20mA 20 30 V dc - - - Cable Tie 50/60 Hz ±1.5 % 16mm -20°C AT
RS Stock No. 527-8696
Mfr. Part No.DHR 400 C420
BrandLEM
kr 2 274,40
Each
Units
- Open Loop 400A 4 20mA 20 50 V dc - - Hall Effect Panel Mount DC 20 to 6000 Hz ±1 % 32mm -40°C DHR
RS Stock No. 532-9097
Mfr. Part No.HXS 20-NP
BrandLEM
kr 90,93
Each
Units
- Open Loop ±60A - 5 V - - Hall Effect PCB Mount DC to 50 kHz ±1 % - -40°C HXS
RS Stock No. 301-9489
Mfr. Part No.HAS 50S
BrandLEM
kr 225,62
Each
Units
- Open Loop ±150A - 15 V - - Hall Effect Panel Mount DC to 50 kHz ±1 % 20.4 x 10.4mm -10°C HAS
RS Stock No. 793-4610
Mfr. Part No.DVL 250
BrandLEM
kr 2 921,21
Each
Units
- - - 50mA ±15 24 V - - - Panel Mount 14 kHz ±0.5 % - -40°C DVL
RS Stock No. 499-5407
Mfr. Part No.HX 50-P
BrandLEM
kr 133,50
Each
Units
- Open Loop ±150A - 15 V - - Hall Effect PCB Mount 50 kHz ±1 % 1.2 x 6.3mm -25°C HX
RS Stock No. 446-0620
Mfr. Part No.DK 200 B420
BrandLEM
kr 3 882,62
Each
Units
- Open Loop 200A 4 → 20mA 20 → 50 V dc - - Hall Effect Panel Mount - ±2 % 21.7mm -20°C DK
RS Stock No. 180-7357
Mfr. Part No.LA 55-P
BrandLEM
kr 217,30
Each
Units
- Closed Loop 0 70A 50mArms 12 15 V - - Hall Effect PCB Mount DC to 200 kHz ±0.9 % - -40°C LA
RS Stock No. 763-9775
Mfr. Part No.CDS4050ACC-KA
BrandSensitec
kr 337,48
Each
Units
- - 50A 6mA 5 V - - AMR Effect PCB Mount DC to 400 kHz 0.8 % - -40°C CDS4000
RS Stock No. 452-9325
Mfr. Part No.DK 400 B10
BrandLEM
kr 3 450,62
Each
Units
- - 400A - 20 50 V dc, 22 38 V ac - - - Panel Mount - ±1 % 21.7mm -20°C DK
RS Stock No. 198-790
Mfr. Part No.AT 10 B5
BrandLEM
kr 609,96
Each
Units
- - 10A - - - - - Cable Tie 50/60 Hz ±1.5 % 16mm -20°C AT
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