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 analogue ammeter, a digital 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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Rincian Komponen Brand Stock Sensor Technology Nominal Current Output Current Range Supply Voltage Sensor Type Mounting Type Frequency Bandwidth Bore Size Accuracy Series Minimum Operating Temperature Maximum Operating Temperature Depth Height Width Output Voltage Range Standards Met Maximum Output Voltage Minimum Output Voltage
LEM ATO Series Current Transducer, 10A nominal current
  • No. Stok RS 177-4923
  • Merek LEM
  • Pbrk. No. Komp. ATO-10-B333-D10
LEM 39 - 10A - - - DIN Rail 1.5 kHz 10mm - ATO -10°C +55°C 32mm 45.5mm 33.5mm - - - -
LEM ATO Series Current Transducer, 32A nominal current
  • No. Stok RS 177-4925
  • Merek LEM
  • Pbrk. No. Komp. ATO-32-B333-D10
LEM 30 - 32A - - - DIN Rail 1.5 kHz 10mm - ATO -10°C +55°C 32mm 45.5mm 33.5mm - - - -
LEM ATO Series Current Transducer, 50A nominal current
  • No. Stok RS 177-4926
  • Merek LEM
  • Pbrk. No. Komp. ATO-50-B333-D10
LEM 20 - 50A - - - DIN Rail 1.5 kHz 10mm - ATO -10°C +55°C 32mm 45.5mm 33.5mm - - - -
LEM ATO Series Current Transducer, 63A nominal current
  • No. Stok RS 177-4928
  • Merek LEM
  • Pbrk. No. Komp. ATO-63-B333-D16
LEM 13 - 63A - - - DIN Rail 1.5 kHz 16mm - ATO -10°C +55°C 33.2mm 56.1mm 40.8mm - - - -
LEM ATO Series Current Transducer, 100A nominal current
  • No. Stok RS 177-4929
  • Merek LEM
  • Pbrk. No. Komp. ATO-100-B333-D16
LEM 10 - 100A - - - DIN Rail 1.5 kHz 16mm - ATO -10°C +55°C 33.2mm 56.1mm 40.8mm - - - -
LEM ATO Series Current Transducer, 16A nominal current
  • No. Stok RS 177-4924
  • Merek LEM
  • Pbrk. No. Komp. ATO-16-B333-D10
LEM 3 - 16A - - - DIN Rail 1.5 kHz 10mm - ATO -10°C +55°C 32mm 45.5mm 33.5mm - - - -
LEM ATO Series Current Transducer, 63A nominal current
  • No. Stok RS 177-4927
  • Merek LEM
  • Pbrk. No. Komp. ATO-63-B333-D10
LEM 1 - 63A - - - DIN Rail 1.5 kHz 10mm - ATO -10°C +55°C 32mm 45.5mm 33.5mm - - - -
Current transformer w/LOHET I sensor,57A
  • S$ 42,35
  • Each (Supplied in a Tray)
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Honeywell 0 - - - - - - - - - - - - - - - - - - -
LEM ATO Series Current Transducer, 125A nominal current
  • No. Stok RS 177-4930
  • Merek LEM
  • Pbrk. No. Komp. ATO-125-B333-D16
LEM 0 - 125A - - - DIN Rail 1.5 kHz 16mm - ATO -10°C +55°C 33.2mm 56.1mm 40.8mm - - - -
LEM DVC Series Voltage Current Transducer
  • No. Stok RS 177-4931
  • Merek LEM
  • Pbrk. No. Komp. DVC 1000-P
LEM 0 Voltage - - 4.75 → 5.25 V - PCB Mount 47 kHz - ±1.5 % DVC -40°C +85°C 37mm 23.5mm 43mm 0.5 → 4.5V - 4.5V 0.5V
Infineon TLV493D Series Current Sensor, 3.7 mA nominal current
  • S$ 0,904
  • Each (On a Reel of 3000)
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Infineon 2850 - 3.7 mA - 2.8 → 3.5 V Hall Effect Surface Mount - - - TLV493D -40°C +125°C 1mm 2.9mm 1.6mm - IEC, UL - -
Infineon TLI4970 Series Current Sensor, 20 nominal current
  • S$ 9,462
  • Each (On a Reel of 2000)
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Infineon 1930 - 20 - 3.1 → 3.5 V Hall Effect Surface Mount 18 kHz - 1.6 % TLI4970 -40°C +85°C 1mm 7mm 7mm - IEC, UL - -
Infineon TLI4970 Series Current Sensor, 20 nominal current
  • S$ 8,046
  • Each (On a Reel of 2000)
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Infineon 1923 - 20 - 3.1 → 3.5 V Hall Effect Surface Mount 18 kHz - 3.5 % TLI4970 -40°C +85°C 1mm 7mm 7mm - IEC, UL - -
Infineon TLI4970 Series Current Sensor, 20 nominal current
  • S$ 8,046
  • Each (On a Reel of 2000)
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Infineon 1812 - 20 - 3.1 → 3.5 V Hall Effect Surface Mount 18 kHz - 1.6 % TLI4970 -40°C +85°C 1mm 7mm 7mm - IEC, UL - -
Infineon TLI4970 Series Current Sensor, 20 nominal current
  • S$ 6,84
  • Each (On a Reel of 2000)
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Infineon 1116 - 20 - 3.1 → 3.5 V Hall Effect Surface Mount 18 kHz - 3.5 % TLI4970 -40°C +85°C 1mm 7mm 7mm - IEC, UL - -
LEM HXS Series Open Loop Current Sensor, ±60A nominal current
  • No. Stok RS 532-9081
  • Merek LEM
  • Pbrk. No. Komp. HXS 10-NP/SP3
LEM 700 Open Loop ±60A - 5 V Hall Effect PCB Mount DC to 50 kHz - ±1 % HXS -40°C +85°C 18.7mm 10.7mm 16.7mm - - - -
LEM LTSR Series Closed Loop Current Sensor, 0 → ±80A nominal current
  • No. Stok RS 499-5378
  • Merek LEM
  • Pbrk. No. Komp. LTSR 25-NP
LEM 637 Closed Loop 0 → ±80A - 5 V Hall Effect PCB Mount DC 100 to 200 kHz 3.2mm ±0.2 % LTSR -40°C +85°C 10mm 24mm 22.2mm - - - -
LEM CASR Series Closed Loop Current Sensor, 6A nominal current
  • No. Stok RS 666-8182
  • Merek LEM
  • Pbrk. No. Komp. CASR 6-NP
LEM 406 Closed Loop 6A - 5.25 V - PCB Mount 200 → 300 kHz - ±0.8 % CASR -40°C +85°C 13.4mm 16.5mm 21.91mm - - - -
LEM AP Series Current Sensor, 50A nominal current, 4 → 20mA output current
  • No. Stok RS 499-5564
  • Merek LEM
  • Pbrk. No. Komp. AP 50 B420L
LEM 302 - 50A 4 → 20mA 12 → 24 V dc - DIN Rail 30 → 2000 Hz 18mm ±1 % AP -20°C +60°C 55mm 69mm 67mm - - - -
LEM HX Series Open Loop Current Sensor, ±30A nominal current
  • No. Stok RS 435-8707
  • Merek LEM
  • Pbrk. No. Komp. HX 10-P/SP2
LEM 301 Open Loop ±30A - 12 → 15 V Hall Effect PCB Mount 50 kHz 1.1mm ±1 % HX -25°C +85°C 15.4mm 20.5mm 19mm - - - -
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