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Current Sensors(500a) - List of Manufacturers, Suppliers, Companies and Products

Last Updated： Aggregation Period:Sep 03, 2025～Sep 30, 2025
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Current Sensors Product List

16～30 item / All 38 items

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Shunt Current Sensor "VSM0001"

Shunt Current Sensor "VSM0001"

Shunt current sensor capable of detecting currents up to ±400A with built-in isolation amplifier.

The VSM0001 is an insulated current sensor that integrates a high-current shunt from the HS series with a detection circuit. It is compact (L×W×T: 72mm×36mm×13mm) and lightweight (approximately 30g), contributing to the miniaturization and space-saving of existing sensors. It is suitable for high-precision current detection in automotive, industrial equipment, and energy sector battery management applications. 【Features】 ■ Measurement current range: ±400A (at fastening part below 75℃) ■ Detection accuracy: ±1% or less @ 25℃ ■ Low loss (detection part resistance value: 100μΩ) ■ Supports insulation between current path and output signal (using insulated amplifier) *For more details, please refer to the PDF document or feel free to contact us.

  • Company：KOA
  • Price：Other
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[Electronic Components] Current Sensor L32 Series ≪Rated Current 50–400A≫

[Electronic Components] Current Sensor L32 Series ≪Rated Current 50–400A≫

Low heat generation even at high frequency! Compact design and sulfur resistance make it an ideal current sensor for medium-capacity general-purpose inverters.

The Tamura Manufacturing Company's current sensor "L32 Series" is an ideal current sensor for medium-capacity general-purpose inverters, featuring a ferrite core that reduces high-frequency heating. There are through-type and busbar-compatible types available. 【Main Features】 ■ Compact design, single power supply +5V, with input/output reference function ■ Ferrite core reduces high-frequency heating ■ Six models in one series support rated currents from 50 to 400A ■ Busbar-compatible models available (50A, 100A) ■ Wide measurement range (saturation current 150 to 600A) ■ PCB mountable ■ Through part dimensions: □15×8mm

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Sulfur-resistant current sensor "L18P・L07P series"

Sulfur-resistant current sensor "L18P・L07P series"

Introducing a lineup of popular model sulfur-resistant products! Current sensors for small-capacity general-purpose inverters.

The popular L18P series and L07P series of general-purpose inverters now include sulfur-resistant products (featuring gold-plated resistors and coated circuit boards) in their lineup. They are pin-compatible with conventional models, making switching easy with compatible characteristics. 'SL18PxxxD15' Magnetic proportional type / 1 circuit / ±15V / Gain 4V - 10 models in one series supporting rated currents from 3 to 60A 'L07PxxxD15S' Magnetic proportional type / 2 circuits / ±15V / Gain 4V - 7 models in one series supporting rated currents from 3 to 30A *For more details, please feel free to contact us.

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[Electronic Components] Servo-type Current Sensor S29 Series ≪Supports 1000A≫

[Electronic Components] Servo-type Current Sensor S29 Series ≪Supports 1000A≫

Ideal for large UPS systems and renewable energy systems!! High-precision servo-type sensor compatible with large currents.

The Tamura Manufacturing Company's current sensor "S29 Series" is a high-performance current sensor with a magnetic balance method that supports large currents and features a multi-structure that can be mounted horizontally or vertically, offering excellent cost performance. It is ideal for large-capacity UPS systems and general-purpose inverters, rated for 1000A. 【Main Features】 ■ Ideal for large-capacity UPS systems and general-purpose inverters ■ Supports large currents, multi-structure that can be mounted horizontally or vertically ■ Maximum measurable current: 2100A (RL ≦ 4Ω), rated current: 1000A ■ Bolt-tightened secondary CN (3 types) S29S1T0D24Z : MOLEX/39-28-8040, Sn-plated S29S1T0D24ZM : MOLEX/38-00-6293, Sn-plated S29S1T0D24ZJ : JST/BH3P-VH-1, Sn-plated ■ Through-hole dimensions: φ38.5

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Substrate-mounted DC current sensor HXS capable of supporting rated current multi.

Substrate-mounted DC current sensor HXS capable of supporting rated current multi.

High-precision DC current sensor (open loop) with substrate-mounted ASIC

Open-loop type DC current sensor with ASIC voltage output ■ Compact design reduces board space and spatial footprint ■ By wiring terminals on the board, it supports current values of 1/2 and 1/4 of the rated current (Ipn) ■ High performance and cost-effective product ■ Low offset drift ■ Fast response speed ■ Low power consumption ■ Insulation withstand voltage of 3500V * For detailed specifications, please download and check the datasheet.

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Current sensor "HC-PDL/HC-PNA/HS-PTA series"

Current sensor "HC-PDL/HC-PNA/HS-PTA series"

We provide high-quality products that meet diverse needs.

We would like to introduce the new current sensor products from Koshin Electric Co., Ltd., a top manufacturer in the industry with a strong track record in the fields of industrial, automotive, and measurement applications, offering a wide range of products to meet diverse needs. The open-loop "HC-PDL series" achieves compact size and high precision by adopting our own ASIC. The open-loop "HC-PNA series" boasts a wide lineup ranging from small to medium capacities. The closed-loop "HS-PTA series" features high precision and fast response products. 【Specifications (Rated Current Range)】 ○ HC-PDL Series: 6A to 50A ○ HC-PNA Series: 50A to 800A ○ HS-PTA Series: 50A to 100A For more details, please contact us or download the catalog.

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| High-capacity AC current sensor | Easy visualization with clamp-type sensor |

| High-capacity AC current sensor | Easy visualization with clamp-type sensor |

IoT sensor with built-in communication function that supports Modbus RTU communication, easy to use, space-saving, and capable of measuring AC current for each circuit (125~630A).

The "PAL-Plus Large Capacity" is a large-capacity IoT sensor with built-in communication functions that can measure alternating current. We offer four sensors that support rated currents of 125A, 250A, 400A, and 630A. 【Three Key Points】 1. By adopting the Modbus RTU communication protocol, it boasts excellent versatility and can be easily integrated into existing equipment. 2. As a split clamp-type sensor, it can be safely and easily installed on existing equipment without stopping its operation. 3. By incorporating the communication function within the sensor, we have achieved ultra-compact design, allowing for easy installation even when there are many measurement points. By combining it with the "PAL-Plus Unit," a gateway that has a signal conversion function to convert the sensor's signal to Modbus TCP and a power supply function for the sensor, it enables the construction of a more space-saving and cost-effective system! For more details, please download the materials or feel free to contact us. We also have rental units available. | If you are looking for small to medium capacity sensors up to 60A, please refer to the "PAL-Plus" product page |

  • 7つのポイント.png
  • 周辺機器_PAL-Plusユニット.png
  • アートボード 1 のコピー.png
  • 専用マネージャーソフトを使用した一元監視システム.png
  • PAL-Plus×クラウド監視.png
  • PAL-Plus×PLC.png
  • 比較.png
  • Ammeter
  • Power Monitoring Equipment
  • Demand Monitoring

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| 60A AC Current Sensor | Easy visualization with clamp-type sensor

| 60A AC Current Sensor | Easy visualization with clamp-type sensor

An easy-to-use, space-saving IoT sensor (60A) with built-in communication functionality that can measure AC current for each circuit, compatible with Modbus RTU communication.

"PAL-Plus" is an IoT sensor with built-in communication capabilities that can measure AC currents up to 60A. 【Three Key Points】 1. By adopting the Modbus RTU communication protocol, it offers excellent versatility and can be easily integrated into existing equipment. 2. As a split clamp-type sensor, it can be safely and easily installed on existing equipment without stopping its operation. 3. The integration of communication functionality within the sensor enables ultra-compact design, allowing for easy installation even when there are many measurement points. By combining the "PAL-Plus Unit," which has a signal conversion function that converts the sensor's signal to Modbus RTU and a power supply function for the sensor, it becomes possible to build a more space-efficient and cost-effective system! For more details, please download the materials or feel free to contact us. We also have rental units available. | If you are looking for a high-capacity sensor over 60A, please refer to the product page for the "PAL-Plus High Capacity Version." |

  • アートボード 1 のコピー_1.png
  • アートボード 1.png
  • 専用マネージャーソフトを使用した一元監視システム.png
  • PAL-Plus×クラウド監視.png
  • PAL-Plus×PLC.png
  • Ammeter
  • Power Monitoring Equipment
  • Demand Monitoring

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High current compatible compact/thin current sensor "CZ370x series"

High current compatible compact/thin current sensor "CZ370x series"

Realizing the miniaturization of EV charging stations and the increase in output capacity! Coreless current sensor capable of detecting ±180A with surface mounting.

The CZ370x is a magnetic coreless current sensor that incorporates Hall elements. Due to the use of high-sensitivity Hall elements, it can measure a wide range of currents that typical coreless current sensors cannot achieve. It can handle continuous currents of up to 60Arms and accurately detect currents up to ±180A. Therefore, it contributes to "increased output capacity." Additionally, compared to shunt resistors and core-type through-hole sensors, it can contribute to "miniaturization" and "reduction of manufacturing costs." ■ Miniaturization - Due to its small size and surface-mount package, it can be mounted on the back side of the circuit board. - The primary conductor has low resistance (0.27mΩ), which suppresses heat generation and allows placement in limited space on the circuit board. * It generates only 1/4 the heat of a shunt resistor (based on our comparative test data). ■ Reduction of manufacturing costs It can contribute to reduced manufacturing (assembly) costs by eliminating the need for wire connections to through holes. * For more details, please refer to the PDF document or feel free to contact us.

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High-precision current sensor "SR-3700 Series"

High-precision current sensor "SR-3700 Series"

High-precision current sensor with significantly improved characteristic variation.

The "SR-3700 Series (Split Type φ10)" is a high-precision current sensor equipped with a lead pull-out prevention mechanism. The phase angle is 65±20 minutes, and the withstand voltage is AC 2000V. It significantly improves the variation in characteristics while maintaining a low phase angle despite being a split type. We have achieved low prices through consistent production at the Sebu factory. 【Features】 ■Significantly improved variation in characteristics ■Low phase angle despite being a split type ■Lead pull-out prevention mechanism ■Low prices achieved through consistent production at the Sebu factory *For more details, please refer to the PDF document or feel free to contact us.

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Current Sensor "CSNV500 Series"

Current Sensor "CSNV500 Series"

Through multipoint temperature characteristic evaluation, improvements in accuracy and calibration have been implemented across the entire temperature range!

The "CSNV500 Series" is a closed-loop current sensor that employs Hall effect technology. Thanks to its closed-loop configuration and optimized magnetic circuit, it can be used in various magnetic environments. Additionally, the CAN output is equipped with fault detection and communication functions, ensuring that the output is not affected by electrical interference, allowing for the diagnosis of sensor failures or power supply voltage range overshoots and out-of-range power supply voltages. 【Features】 ■ Nominal measurement range: ±500A ■ Overall accuracy: ±0.5% reading (@±40A < Ip < 500A, -40℃ to 85℃, ±3Σ) ■ Digital output: CAN bus (supports selectable ID) ■ Internal diagnostic functions *For more details, please download the PDF (English version) or feel free to contact us.

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High current compatible compact/thin current sensor "CZ375x series"

High current compatible compact/thin current sensor "CZ375x series"

Achieving miniaturization of EV charging stations and increasing output capacity! Coreless current sensor capable of detecting ±225A with surface mount.

The CZ375x is a magnetic coreless current sensor that incorporates Hall elements. By using high-sensitivity Hall elements, it can accurately measure a wide current range of ±115A to ±225A, which is difficult to achieve with typical coreless current sensors. Continuous current flow is also possible up to 100Arms. Therefore, it contributes to "increased output capacity." Additionally, compared to shunt resistors and core-type through-hole sensors, it can contribute to "miniaturization" and "reduction of manufacturing costs." ■ Miniaturization - Due to its small size and surface-mount package, it can be mounted on the back side of the circuit board. - The primary conductor has low resistance (0.27mΩ), which suppresses heat generation, allowing it to be placed in limited space on the circuit board. * It generates one-third the heat of other companies' coreless current sensors (based on our comparative test data). ■ Reduction of manufacturing costs It contributes to reduced manufacturing (assembly) costs by eliminating the need for wire connections to through holes. * For more details, please refer to the PDF document or feel free to contact us.

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