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  5. Ammeter
  6. | High-capacity AC current sensor | Easy visualization with clamp-type sensor |

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

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last updated:Jul 29, 2025

ヘキサコア株式会社(旧:株式会社中央製作所) 本社・工場
ヘキサコア株式会社(旧:株式会社中央製作所) 本社・工場
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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 |

    AmmeterPower Monitoring EquipmentDemand Monitoring
サムネデータ_PAL-Plus大容量版(240710).png

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

サムネデータ_PAL-Plus大容量版(240710).png
サムネデータ_PAL-Plus大容量版(240710).png 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
  • Related Link - https://www.cew.co.jp/products/571/?utm_source=ipr…
  • Special site - Product/service details - https://pr.mono.ipros.com/hexacore/product/

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basic information

PAL-Plus Sensor ■ Indicator Display: Displays the status during sensor power-on and alarm conditions with LEDs ■ Rated Current: 125A, 250A, 400A, 630A ■ Power Supply: DC5V ■ Current Consumption: During communication_50mA, non-communication_10mA ■ Applicable Cable Diameter 125A: up to 60sq (up to φ16) 250A: up to 50sq (up to φ24) 400A / 630A: up to 325sq (up to φ35) ■ Wiring Specifications UL2517_AWG18 Black: 5V White: GND Red: RS485 (+) Green: RS485 (-) ■ Measurement Accuracy: ±3% F.S. (within the operating temperature range) ■ No-load Threshold (Low Cut): 0.6% of each sensor's rated value at the time of shipment PAL-Plus Unit ■ Input Power Supply Voltage: AC100-240V ■ Output Power Supply Voltage: GW_DC24V, Sensor_DC5V ■ Maximum Number of Connectable Sensors: 31 units ■ Maximum Sensor Cable Length: 100m ■ Upper Side: Standard specification is LAN (ModbusTCP) Termination Connector ■ Termination Resistance Value: 120Ω A "PAL-Plus Setting Change Kit" is also available to change the settings of the PAL-Plus sensor.

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Applications/Examples of results

【Main Usage Locations】Factories, offices, communication equipment, etc. 【System Construction Examples】 | Want to visualize easily | Build a centralized monitoring system with dedicated manager software × PAL-plus | Want to visualize in the cloud | Easy construction with IoT gateway, cloud × PAL-plus | Want to utilize PLC for visualization | Build a monitoring environment using existing systems with PLC × PAL-plus For details, please download the materials or feel free to contact us.

Detailed information

  • 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

    ◎Centralized monitoring system using dedicated manager software | Want to visualize easily | Dedicated manager software × PAL-Plus

  • PAL-Plus×クラウド監視.png

    ◎Cloud Monitoring | Want to visualize in the cloud | IoT Gateway - Cloud × PAL-Plus

  • PAL-Plus×PLC.png

    ◎Monitoring system utilizing existing systems | Want to visualize using PLC | PLC×PAL-plus

catalog(16)

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| Modbus and IoT compatible | IoT sensor PAL-Plus for measuring AC currents from 125A to 630A, high capacity.

| Modbus and IoT compatible | IoT sensor PAL-Plus for measuring AC currents from 125A to 630A, high capacity.

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| Modbus and IoT compatible | IoT sensor PAL-Plus capable of measuring AC current up to 60A

| Modbus and IoT compatible | IoT sensor PAL-Plus capable of measuring AC current up to 60A

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| Patent Obtained - Short Delivery Time | Power Distribution Panel PDP/PDF for Data Centers |

| Patent Obtained - Short Delivery Time | Power Distribution Panel PDP/PDF for Data Centers |

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| Initial cost reduction & MCCB expansion ◎ | Branch panel PDU for data centers

| Initial cost reduction & MCCB expansion ◎ | Branch panel PDU for data centers

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| Modbus and IoT compatible | IoT sensor PAL-Temp that can measure temperature and humidity

| Modbus and IoT compatible | IoT sensor PAL-Temp that can measure temperature and humidity

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| Many achievements and excellent safety | Power Distribution Unit (PDU) for data centers

| Many achievements and excellent safety | Power Distribution Unit (PDU) for data centers

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A board shop skilled in IoT helps realize visualization! "Three system configurations utilizing the PAL series sensors."

A board shop skilled in IoT helps realize visualization! "Three system configurations utilizing the PAL series sensors."

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| Visualization of sensor values with easy management | Manager Software CEW-M4

| Visualization of sensor values with easy management | Manager Software CEW-M4

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Utilize existing equipment! Take the first step towards visualizing power with the "PAL Series x PLC."

Utilize existing equipment! Take the first step towards visualizing power with the "PAL Series x PLC."

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No need for server or network setup! Achieve power visualization immediately with "PAL Series × PUSHLOG".

No need for server or network setup! Achieve power visualization immediately with "PAL Series × PUSHLOG".

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Up to 20,000 points can be accommodated! "PAL Series x CEW-M4" Visualizing large-scale data through centralized management.

Up to 20,000 points can be accommodated! "PAL Series x CEW-M4" Visualizing large-scale data through centralized management.

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Benefits of introducing a distribution board along with a measurement and monitoring system.

Benefits of introducing a distribution board along with a measurement and monitoring system.

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| Operation Monitoring of Distribution Board ◎ | Optimal System for Central Monitoring iDC-SVS4

| Operation Monitoring of Distribution Board ◎ | Optimal System for Central Monitoring iDC-SVS4

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| Short Delivery Time & Low Price | Power Distribution Panels PDP/PDF for Data Centers |

| Short Delivery Time & Low Price | Power Distribution Panels PDP/PDF for Data Centers |

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| Economic & Space-saving | Distribution Boards PDP/PDF for Data Centers

| Economic & Space-saving | Distribution Boards PDP/PDF for Data Centers

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| Just set it up with a simple configuration! | Gateway BOX

| Just set it up with a simple configuration! | Gateway BOX

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News about this product(11)

37th Monozukuri World Tokyo 1st Smart Maintenance Expo Tokyo

We will exhibit at the 37th Monozukuri World Tokyo (Chiba City, Chiba Prefecture).

  • Seminar・Event

Our company will be exhibiting at the "37th Monozukuri World Tokyo" held at Makuhari Messe from July 9 (Wednesday) to July 11 (Friday), 2025. At this exhibition, we will introduce power monitoring solutions for equipment and loads, focusing on energy "visualization" solutions for equipment that can be "started immediately," through examples of the overall system configuration. [Main Exhibited Products] - Gateway BOX We will introduce the "Gateway BOX," a product that packages the necessary equipment for easily incorporating a visualization system! - PAL-Plus type E2 (Scheduled for release soon) We will introduce a "smart" clamp CT that can measure electrical power for three-phase three-wire and single-phase three-wire systems (scheduled for release soon). - CEW-M4 / PAL-Plus As a monitoring system that can display power consumption and remaining power capacity, we will introduce the manager software "CEW-M4," which supports up to 20,000 points, and the Modbus-compatible AC current sensor "PAL-Plus"! We sincerely look forward to your visit.

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We will exhibit at "Data Center Japan 2025" (Minato-ku, Tokyo).

  • Seminar・Event

We sincerely thank you for your continued support. Our company will be exhibiting at the "Data Center Japan 2025 - 15th Anniversary Event of the Japan Data Center Association" to be held on March 18 (Tuesday) and March 19 (Wednesday), 2025, at the Tokyo Metropolitan Industrial Trade Center, Hamamatsucho. At this exhibition, we will introduce products and systems that contribute to improving the safety and reliability of data centers and enhancing the efficiency of operational management, including various types of AC distribution boards (panel displays) and measurement and monitoring systems. 【Main Exhibited Products】 - PAL-Plus / PAL-Plus Large Capacity Version An IoT sensor with built-in communication functions that can measure AC current (60A, 125A-630A) easily and in a space-saving manner. - CEW-M4 A management software that visualizes the equipment status, including current, power, energy consumption, and temperature and humidity, allowing for efficient management of power usage and remaining power capacity of distribution boards. - AC Distribution Boards (Panel Displays) We offer various distribution boards for data centers, from standard specifications to custom-made options. We can also provide sensing distribution boards integrated with our monitoring products. We sincerely look forward to your visit.

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What is the PAL series sensor that can do more than just measure?

  • Product news

It may look like an ordinary sensor at first glance... but it's actually different!! We have uploaded a page introducing the "PAL Series Sensor," which integrates communication functions into the sensor itself, allowing both "measurement" and "communication" to be completed with just this one device. | PAL Series Sensor Measurement Items | - PAL-Plus / PAL-Plus Large Capacity Version: AC Current - PAL-Plus typeE: Simple Integrated Electric Energy, Simple Power, etc. - PAL-Temp: Temperature and Humidity As electricity costs rise and efforts towards SDGs are strengthened, this product serves as an excellent stepping stone for "visualization," so please take this opportunity to check it out! Additionally, we also accept proposals for system configurations utilizing the PAL Series Sensors. If you have any concerns regarding visualization for your factory or equipment, feel free to consult with Hexacore.

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[Video] | Visualizing Power Immediately | Introduction Video for PUSHLOG x PAL Series

  • Product news

You can achieve visualization of power immediately without the need for server or network setup by using the "PUSHLOG×PAL series sensors." We have prepared a 3-minute introductory video for you! *Note: PUSHLOG is a product of GUGEN Co., Ltd.* ▼ Do you have any of the following concerns regarding power visualization? --- - "I want to start immediately without taking time for implementation." - "I want to visualize but don't want to stop the equipment." - "I'm struggling with the 'limited installation space for measuring instruments.'" --- ▽ Features - Ideal for trial implementation - Easy visualization from the cloud - Simple & compact, can be flexibly installed to fit the site ▽ Utilized Sensors - AC current sensor: PAL-Plus (60A) - AC current sensor: PAL-Plus large capacity version (125A to 630A)

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ヘキサコア株式会社(旧:株式会社中央製作所)

ヘキサコア株式会社(旧:株式会社中央製作所) 本社・工場

Industrial Electrical Equipment

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Hexacore Inc. designs, manufactures, and sells equipment for communication buildings and data centers, as well as measurement and monitoring systems. As we aim for a sustainable society globally, communication and energy are essential elements of our lives. Hexacore offers solutions that help build safe and efficient communication infrastructure and achieve energy efficiency, supported by our technical expertise and support system that closely aligns with our customers' needs. [Notice] On April 1, 2023, we changed our company name from Chuo Seisakusho Co., Ltd.

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