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庫存編號 666-8182
製造零件編號CASR 6-NP
BrandLEM
HK$158.24
單位
- Closed Loop 6A - 5.25 V - - - PCB Mount 200 → 300 kHz ±0.8 % - -40°C CASR
RS庫存編號 169-7681
製造零件編號CSNE151-104
BrandHoneywell
HK$121.00
個 (以毎盒:40)
單位
- Closed Loop 0 → 56A 12.5mA 15 V dc - - Hall Effect PCB Mount DC to 150 kHz ±1 % - -40°C CSN
RS庫存編號 532-9198
製造零件編號HAIS 50-P
BrandLEM
HK$216.20
單位
- Open Loop ±150A - 5 V - - Hall Effect PCB Mount DC to 50 kHz ±1 % 15 x 8mm -40°C HAIS
RS庫存編號 666-8205
製造零件編號CKSR 25-NP
BrandLEM
HK$146.72
單位
- Closed Loop 25A - 5.25 V - - - PCB Mount 200 → 300 kHz ±0.8 % - -40°C CKSR
RS庫存編號 532-9227
製造零件編號HTFS 400-P
BrandLEM
HK$192.68
單位
- Open Loop ±600A - 5 V - - Hall Effect PCB Mount DC to 50 kHz ±1 % 22mm -40°C HTFS
RS庫存編號 919-4707
製造零件編號LF 2010-S
BrandLEM
HK$2,076.04
單位
- Closed Loop ±3000A ±0.6A ±14.25 → ±25.2 V - - - Panel Mount 150 kHz ±0.3 % - -40°C LF
RS庫存編號 446-0412
製造零件編號AK 5 C420L
BrandLEM
HK$2,667.69
單位
- - 5A 4 → 20mA 24 V dc, 150 V ac - - - Panel Mount 20 → 100 Hz ±1 % 19mm -20°C AK
RS庫存編號 499-5586
製造零件編號AP 200 B420L
BrandLEM
HK$1,146.51
單位
- - 200A 4 → 20mA 12 → 24 V dc - - - DIN Rail 30 → 2000 Hz ±1 % 18mm -20°C AP
RS庫存編號 301-9495
製造零件編號HAS 100S
BrandLEM
HK$219.02
單位
- Open Loop ±300A - 15 V - - Hall Effect Panel Mount DC to 50 kHz ±1 % 20.4 x 10.4mm -10°C HAS
RS庫存編號 337-2746
製造零件編號2814728
HK$4,002.79
單位
- - 0 → 55A 0 → 20mA 20 → 30 V dc - - - Chassis Mount 15 → 400 Hz <0.5 % - -20°C MCR-S10-50-UI-DCI-NC
全新
RS庫存編號 200-3789
製造零件編號HOYL 800-S-0100
BrandLEM
HK$484.94
單位
-2000 → 2000 A Open Loop 800A - +5 V Base Mounted 13mm - - - - - - HOYL
全新
RS庫存編號 200-3790
製造零件編號HOYS 100-S-0100
BrandLEM
HK$237.59
單位
-250 → 250 A Open Loop 100A - +5 V Base Mounted 13mm - - - - - - HOYS
RS庫存編號 522-002
製造零件編號HAT 800-S
BrandLEM
HK$522.30
單位
- Open Loop ±2400A - 15 V - - Hall Effect Busbar, Plug In DC to 25 kHz ±1 % 40.5 x 30.5mm -10°C HAT
RS庫存編號 521-986
製造零件編號HAT 1500-S
BrandLEM
HK$561.84
單位
- Open Loop ±2500A - 15 V - - Hall Effect Busbar, Plug In DC to 25 kHz ±1 % 40.5 x 30.5mm -10°C HAT
RS庫存編號 731-5261
製造零件編號HTA 300-S
BrandLEM
HK$531.38
單位
- Open Loop 300A - ±15 V - - Hall Effect Panel Mount DC to 50 kHz ±1 % 32mm -25°C HTA
全新
RS庫存編號 200-3804
製造零件編號LES 15-NP
BrandLEM
HK$96.09
單位
-51 → 51 A Closed Loop 15A - +5 V - - - - - - - - LES
RS庫存編號 435-8741
製造零件編號HX 05-NP
BrandLEM
HK$133.05
單位
- Open Loop ±30A - 15 V - - Hall Effect PCB Mount 50 kHz ±1 % 0.8mm -25°C HX
RS庫存編號 337-2752
製造零件編號2814744
HK$4,459.65
單位
- - 0 → 55A 0 → 20mA 20 → 30 V dc - - - Chassis Mount 15 → 400 Hz <0.5 % - -20°C MCR-S10-50-UI-SW-DCI-NC
RS庫存編號 121-8174
製造零件編號CSLW6B200M
BrandHoneywell
HK$173.11
單位
- - 9 -200 → +200mA 4.5 → 10.5 V dc - - Hall Effect PCB Mount - ±1.5 % - -25°C CSL
全新
RS庫存編號 200-3805
製造零件編號LES 25-NP
BrandLEM
HK$96.09
單位
-85 → 85 A Closed Loop 25A - +5 V - - - - - - - - LES