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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제품설명 단가 Sensor Technology Nominal Current Output Current Range Supply Voltage Transformer Type Sensor Type Mounting Type Frequency Bandwidth Accuracy Bore Size Minimum Operating Temperature Series Maximum Operating Temperature Depth
RS 제품 번호 497-388
제조사 부품 번호AT 150 B420
제조사LEM
₩163,749.75
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- 150A 4 → 20mA 20 → 30 V dc - - Cable Tie 50/60 Hz ±1.5 % 16mm -20°C AT +60°C 36.5mm
RS 제품 번호 435-8678
제조사 부품 번호HX 20-P
제조사LEM
₩24,860.45
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Open Loop ±60A - 15 V - Hall Effect PCB Mount 50 kHz ±1 % 1.6mm -25°C HX +85°C 15.4mm
RS 제품 번호 527-8725
제조사 부품 번호DHR 600 C420
제조사LEM
₩334,304.00
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Open Loop 600A 4 → 20mA 20 → 50 V dc - Hall Effect Panel Mount DC 20 to 6000 Hz ±1 % 32mm -40°C DHR +70°C 25mm
RS 제품 번호 521-936
제조사 부품 번호HASS 400-S
제조사LEM
₩29,254.70
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Open Loop ±900A - 5 V - Hall Effect Panel Mount DC to 50 kHz ±1 % 20.4 x 10.4mm -40°C HASS +85°C 30mm
RS 제품 번호 499-5592
제조사 부품 번호APR 50 B10
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₩181,815.00
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Closed Loop 50A - 24 V dc - - DIN Rail 30 → 6000 Hz ±1 % 18mm -20°C APR +60°C 55mm
RS 제품 번호 801-6296
제조사 부품 번호2810625
제조사Phoenix Contact
₩426,085.70
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- 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 +65°C 114.5mm
RS 제품 번호 527-8719
제조사 부품 번호DHR 500 C420
제조사LEM
₩299,150.00
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Open Loop 500A 4 → 20mA 20 → 50 V dc - Hall Effect Panel Mount DC 20 to 6000 Hz ±1 % 32mm -40°C DHR +70°C 25mm
RS 제품 번호 435-8656
제조사 부품 번호HX 15-P
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₩14,540.55
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Open Loop ±45A - 15 V - Hall Effect PCB Mount 50 kHz ±1 % 1.4mm -25°C HX +85°C 15.4mm
RS 제품 번호 521-932
제조사 부품 번호HASS 300-S
제조사LEM
₩29,254.70
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Open Loop ±900A - 5 V - Hall Effect Panel Mount DC to 50 kHz ±1 % 20.4 x 10.4mm -40°C HASS +85°C 30mm
RS 제품 번호 435-8640
제조사 부품 번호HX 10-P
제조사LEM
₩16,988.00
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Open Loop ±30A - 15 V - Hall Effect PCB Mount 50 kHz ±1 % 1.1mm -25°C HX +85°C 15.4mm
RS 제품 번호 521-926
제조사 부품 번호HASS 500-S
제조사LEM
₩29,254.70
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Open Loop ±900A - 5 V - Hall Effect Panel Mount DC to 50 kHz ±1 % 20.4 x 10.4mm -40°C HASS +85°C 30mm
RS 제품 번호 2508935566
제조사 부품 번호37029
제조사Simpson
₩246,750.70
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- - - - - - - - - - - - - -
RS 제품 번호 2508935544
제조사 부품 번호37028
제조사Simpson
₩272,183.10
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- - - - - - - - - - - - - -
RS 제품 번호 2508933627
제조사 부품 번호37000
제조사Simpson
₩501,487.00
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RS 제품 번호 2508933649
제조사 부품 번호37003
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₩525,508.90
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