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. 919-4700
Mfr. Part No.LF 510-S
BrandLEM
kr 743,86
Each
Units
- Closed Loop ±800A ±0.16A ±14.25 ±25.2 V - - - Panel Mount 200 kHz ±0.6 % - -40°C LF
RS Stock No. 497-182
Mfr. Part No.HASS 50-S
BrandLEM
kr 172,78
Each
Units
- Open Loop ±150A - 5 V - - Hall Effect Panel Mount DC to 50 kHz ±1 % 20.4 x 10.4mm -40°C HASS
RS Stock No. 919-4690
Mfr. Part No.LF 310-S
BrandLEM
kr 597,60
Each
Units
- Closed Loop ±500A ±0.25A ±11.4 ±21 V - - - Panel Mount 100 kHz ±0.2 % - -40°C LF
RS Stock No. 532-9160
Mfr. Part No.HAIS 200-P
BrandLEM
kr 202,39
Each
Units
- Open Loop ±600A - 5 V - - Hall Effect PCB Mount DC to 50 kHz ±1 % 15 x 8mm -40°C HAIS
RS Stock No. 650-554
Mfr. Part No.CSLA1CD
BrandHoneywell
kr 222,03
Each
Units
- Open Loop 0 → 57A - 8 → 16 V dc - - Hall Effect PCB Mount - - 10.9mm -25°C CSL
RS Stock No. 177-5952
Mfr. Part No.CSLA1CD
BrandHoneywell
kr 242,889
Each (In a Tray of 50)
Units
- - - - - - - - - - - - - -
RS Stock No. 532-9148
Mfr. Part No.HAIS 100-P
BrandLEM
kr 202,39
Each
Units
- Open Loop ±300A - 5 V - - Hall Effect PCB Mount DC to 50 kHz ±1 % 15 x 8mm -40°C HAIS
RS Stock No. 181-2135
Mfr. Part No.CSLA2DG
BrandHoneywell
kr 282,05
Each
Units
- Open Loop 0 → 150A - 6 → 12 V dc - - Hall Effect PCB Mount - - 15.7mm -25°C CSL
RS Stock No. 793-4635
Mfr. Part No.LA 150-P
BrandLEM
kr 248,45
Each
Units
- Closed Loop 150A 75mA 12 → 15 V - - Hall Effect PCB Mount 150 kHz <0.5 % 13.5 x 10mm -40°C LA
RS Stock No. 499-5558
Mfr. Part No.AP 200 B10
BrandLEM
kr 1 088,73
Each
Units
- Closed Loop 200A - 24 V dc - - - DIN Rail 30 → 2000 Hz ±1 % 18mm -20°C AP
RS Stock No. 286-361
Mfr. Part No.LV 25-P
BrandLEM
kr 630,90
Each
Units
- Closed Loop 0 14 25mA 12 15 V - - Hall Effect PCB Mount - ±0.9 % - 0°C LV
RS Stock No. 914-5297
Mfr. Part No.CT132TRAN150A-4/20MA
BrandHOBUT
kr 484,14
Each
Units
- - 150A 4 20mA 15 30 V - - Loop Sensor DIN Rail 45 65 Hz Class 0.5 % 21mm -15°C CT132TRAN
RS Stock No. 301-9495
Mfr. Part No.HAS 100S
BrandLEM
kr 233,20
Each
Units
- Open Loop ±300A - 15 V - - Hall Effect Panel Mount DC to 50 kHz ±1 % 20.4 x 10.4mm -10°C HAS
RS Stock No. 715-7970
Mfr. Part No.2308027
kr 1 926,11
Each
Units
- - 0 100A 4 20mA 20 30 V dc - - - DIN Rail 20 6000 Hz ±1 % 32mm -40°C MCR-SL-CUC-100-I
RS Stock No. 833-2875
Mfr. Part No.2CCA880100R0001
BrandABB
kr 677,46
Each
Units
- - 80A - 690 V ac, 1500 V dc - - CMS Sensor Cable Mount 50/60 Hz ±0.7 % 10mm -25°C CMS
RS Stock No. 206-2381
Mfr. Part No.HAL 50-S
BrandLEM
kr 477,06
Each
Units
- Open Loop ±150A - 15 V - - Hall Effect Panel Mount DC to 50 kHz ±1 % 20 x 15mm -25°C HAL
RS Stock No. 181-2129
Mfr. Part No.CSLA2CD
BrandHoneywell
kr 246,17
Each
Units
- Open Loop 0 → 72A - 6 → 12 V dc - - Hall Effect PCB Mount - - 10.9mm -25°C CSL
RS Stock No. 436-2330
Mfr. Part No.LTS 6NP
BrandLEM
kr 147,76
Each
Units
- Closed Loop 0 → ±19.2A - 5 V - - Hall Effect PCB Mount DC 100 to 200 kHz ±0.2 % 3.2mm -40°C LTS
RS Stock No. 301-9473
Mfr. Part No.LTS 25NP
BrandLEM
kr 147,76
Each
Units
- Closed Loop 0 → ±80A - 5 V - - Hall Effect PCB Mount DC 100 to 200 kHz ±0.2 % 3.2mm -40°C LTS
RS Stock No. 337-2752
Mfr. Part No.2814744
kr 3 918,21
Each
Units
- - 0 55A 0 20mA 20 30 V dc - - - Chassis Mount 15 400 Hz <0.5 % - -20°C MCR-S10-50-UI-SW-DCI-NC
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