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. 532-9198
Mfr. Part No.HAIS 50-P
BrandLEM
kr 202,39
Each
Units
- Open Loop ±150A - 5 V - - Hall Effect PCB Mount DC to 50 kHz ±1 % 15 x 8mm -40°C HAIS
RS Stock No. 446-0579
Mfr. Part No.AKR 50 B420L
BrandLEM
kr 3 797,37
Each
Units
- - 50A 4 → 20mA 24 V dc, 150 V ac - - - Panel Mount 10 → 400 Hz ±1 % 21.7mm -20°C AKR
RS Stock No. 527-8545
Mfr. Part No.DHR 300 C10
BrandLEM
kr 2 274,40
Each
Units
- Open Loop 300A - 20 50 V dc - - Hall Effect Panel Mount DC 20 to 6000 Hz ±1 % 32mm -40°C DHR
RS Stock No. 499-5592
Mfr. Part No.APR 50 B10
BrandLEM
kr 1 208,98
Each
Units
- Closed Loop 50A - 24 V dc - - - DIN Rail 30 → 6000 Hz ±1 % 18mm -20°C APR
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. 446-0541
Mfr. Part No.AKR 50 C420L
BrandLEM
kr 3 105,56
Each
Units
- - 50A 4 → 20mA 24 V dc, 150 V ac - - - Panel Mount 10 → 400 Hz ±1 % 19mm -20°C AKR
RS Stock No. 446-0642
Mfr. Part No.DK 400 B420
BrandLEM
kr 3 882,62
Each
Units
- - 400A 4 20mA 20 50 V dc, 22 38 V ac - - - Panel Mount - ±1 % 21.7mm -20°C DK
RS Stock No. 175-0490
Mfr. Part No.2907888
kr 96,78
Each
Units
- - - - - - - - - - - - - PACT RCP
RS Stock No. 138-3482
Mfr. Part No.HO 250-S/SP30-0100
BrandLEM
kr 154,73
Each
Units
- Open Loop -625 625A 19 25mA 4.5 5.5 V - - - Panel Mount 100 kHz ±1 % 15 x 8mm -40°C HO
RS Stock No. 801-6296
Mfr. Part No.2810625
kr 3 282,12
Each
Units
- - 0 5A 0 20mA 19.2 253 V ac/dc - - - DIN Rail 45 65 Hz ±0.5 % - -20°C MACX MCR-SL-CAC-5-I-UP
RS Stock No. 175-0485
Mfr. Part No.2864671
kr 251,76
Each
Units
- - - - - - - - DIN Rail - - - - MCR
RS Stock No. 497-350
Mfr. Part No.HOP 300-SB
BrandLEM
kr 1 165,74
Each
Units
- Open Loop ±450A - 12 15 V - - Hall Effect Busbar, Panel Mount DC to 8 kHz ±2 % 41 x 12.5mm -10°C HOP
RS Stock No. 532-9110
Mfr. Part No.HXS 20-NP/SP30
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. 793-4590
Mfr. Part No.HLSR 40-P
BrandLEM
kr 70,44
Each
Units
- Open Loop 100A 40A 4.5 → 5.5 V - - Hall Effect PCB Mount 400 kHz ±1 % - -40°C HLSR
RS Stock No. 499-5435
Mfr. Part No.HTB 50-P
BrandLEM
kr 174,99
Each
Units
- Open Loop ±150A - 12 15 V - - Hall Effect PCB Mount DC to 50 kHz ±1 % 16mm -20°C HTB
RS Stock No. 527-8725
Mfr. Part No.DHR 600 C420
BrandLEM
kr 2 274,40
Each
Units
- Open Loop 600A 4 20mA 20 50 V dc - - Hall Effect Panel Mount DC 20 to 6000 Hz ±1 % 32mm -40°C DHR
RS Stock No. 136-1510
Mfr. Part No.TLV493DA1B6HTSA2
BrandInfineon
kr 5,266
Each (On a Reel of 3000)
Units
- - 3.7 mA - 2.8 3.5 V - - Hall Effect Surface Mount - - - -40°C TLV493D
RS Stock No. 666-8172
Mfr. Part No.CAS 6-NP
BrandLEM
kr 124,36
Each
Units
- Closed Loop 6A - 5.25 V - - - PCB Mount 200 → 300 kHz ±0.8 % - -40°C CAS
RS Stock No. 522-024
Mfr. Part No.HAIS 50-TP
BrandLEM
kr 189,73
Each
Units
- Open Loop ±150A - 5 V - - Hall Effect PCB Mount DC to 50 kHz ±1 % - -40°C HAIS
RS Stock No. 321-6309
Mfr. Part No.LAH 100-P
BrandLEM
kr 194,61
Each
Units
- Closed Loop 100A 50mArms 12 15 V - - Hall Effect PCB Mount DC to 200 kHz ±0.25 % - -25°C LAH
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