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Best Phase Monitoring Relays

AC Current Sensing Switch Adjustable Current 0.2~30A Flameproof ABS Self Powered Sensing Switch Users Manual (Normally Open)

  • ✔ Automation Equipment Control -- Control various automation industrial equipment, flashlights, buzzers, relays, microcontrollers, or other electrical load devices. An ideal choice for automated industrial equipment and power monitoring.
  • ✔ High Accuracy Stable Performance -- Compared with traditional device, thermal protectors and other devices, it has the advantages of high accuracy, stable performance and long service life. Installation Form: Guide Rail 35mmDIN.
  • ✔ Convenient Monitoring Detecting Current -- The current sense switch is for safety, simple, and convenient monitoring or detection of current in the electrical equipment. Threading Hole Diameter: 8mm. Shell Material: Fireproof ABS.
  • ✔ Used In Industries Current Monitoring -- Widely used in substation, frequency conversion speed control device, inverter device, electrolytic plating, electric locomotive, street lamp monitoring, coal mine and other automation industries that need current monitoring.
  • ✔ Electromagnetic Mutual Inductance Of Current -- Using the principle of electromagnetic mutual inductance of current, the advanced output detection, monitoring and protection alarm products developed by the non-power supply technology are adopted.
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Relay, NR2-36 Electric Heat Protect Thermal Overload Relay 23-32A Motor Protector Electric Authorized Thermal Accessory

  • HIGH-QUALITY MATERIALS: We guarantee that all thermal relays are made of high quality materials and have a long service life..
  • RATED RANGE: This thermal relay can be used in the circuit of 50-60hz, the rated insulation voltage is 690V..
  • GOOD PROTECTION: The relay is used for protecting the phase break when the electric motor is overload..
  • HIGH EFFICIENCY: The relay has different mechanism and temperature compensation, with high efficiency and excellent performance..
  • SPECIFIC FUNCTION: The overload protection relay has phase break protection, manual and automatic reset, temperature compensation, trip indication, test button, stop button..
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Eboxer Miniature Current Switch, 0.2 to 30A Flameproof Adjustable AC Current Sensing Switch, with Users Manual, Self Powered Sensing Switch for Automated Industrial Equipment(Normally Closed)

  • HIGH QUALITY SENSING SWITCH: Control various automation industrial equipment, flashlights, buzzers, relays, microcontrollers, or other electrical load devices..
  • HIGH PERFORMANCE: Compared with traditional device, thermal protectors and other devices, it has the advantages of high accuracy, stable performance and long service life..
  • SAFETY AND SIMPLE: The current sense switch is for safety, simple, and convenient monitoring or detection of current in the electrical equipment..
  • ADVANCED TECHNOLOGY: Using the principle of electromagnetic mutual inductance of current, the advanced output detection, monitoring and protection alarm products developed by the non power supply technology are adopted..
  • WIDE SUITABLE: An ideal choice for automated industrial equipment and power monitoring, widely used in substation, frequency conversion speed control device, inverter device, electrolytic plating, electric locomotive, street lamp monitoring, coal mine and other automation industries that need current monitoring..
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Siemens 3UG4631-1AA30 Monitoring Relay, Single Phase Voltage Monitoring, Screw Terminal, 1 CO Contacts, 0.1-60VAC/DC Measuring Range, 0.1-30V Hysteresis, 0-20s Delay Time, 24VAC/DC Auxiliary Voltage

  • Features: Undervoltage protector integrates three-phase voltage protector, chronograph and counter in one.
  • Multifunction: The protection relay has protection functions such as overvoltage, undervoltage, phase loss, phase sequence, three-phase voltage unbalance, etc.
  • Practical functions: The voltage monitoring relay has functions such as start-up delay and output test. 2 rest module optional, manual and automatic.
  • Specification: Monitoring Circuit: L1, L2, L3.
  • LCD Display: LCD data display, easy to read, no external power supply required.
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FLUKE-3540 FC KIT Three-Phase Power Monitor & Condition Monitoring Kit

  • power including active power, non-active power, and power factor.
  • Remote access to measurements via the Fluke Connect Condition Monitoring software.
  • Graphs show trends and fluctuations of the measurements during the monitoring period.
  • and alarm settings notify users when measurement values are outside user-set thresholds.
  • 3540 FC Three-Phase Power Monitor is portable, wireless, battery powered, and easy to install.
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Things to Remember in Using Your Thought Power for the Production of New Conditions

  • power including active power, non-active power, and power factor.
  • Remote access to measurements via the Fluke Connect Condition Monitoring software.
  • Graphs show trends and fluctuations of the measurements during the monitoring period.
  • and alarm settings notify users when measurement values are outside user-set thresholds.
  • 3540 FC Three-Phase Power Monitor is portable, wireless, battery powered, and easy to install.
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Smart Home Energy Monitor with 16 50A Circuit Level Sensors | Vue - Real Time Electricity Monitor/Meter | Solar/Net Metering

  • ...ensors. Supports single-phase up to 240VAC line-neutral.
  • and three-phase up to 415Y/240VAC (no Delta). Panels with access only to busbars will need flexible sensors available from Emporia Energy. Includes DIY instructions, though a professional electrician is recommended..
  • 24/7 ENERGY MONITORING: Monitor your home's real power anywhere, anytime to prevent costly repairs, conserve energy, and save costs. Monitor solar / net metering. Light commercial 3 phase option available as a separate bundle. PROTECTED BY A 1-YEAR WARRANTY..
  • APPLIANCE MONITORING WITHOUT GUESSWORK: Comes with sixteen (16) 50A sensors to accurately monitor your air conditioner, furnace, water heater, washer, dryer, range, etc..
  • LOWER YOUR ELECTRIC BILL: Gauge real-time spending and get actionable notifications to understand where you can save costs..
  • REAL-TIME ENERGY DATA: REQUIRES 2.4 GHz WIFI WITH AN INTERNET CONNECTION to monitor energy use with iPhone / Android app. Vue sensors provide 1-second data and are accurate from ±2%. The Vue is UL and CE Listed for your safety. 1 second data is retained 3 hours, 1 minute data is retained 7 days, 1 hour data is retained indefinitely. Export the data whenever you want in the app..
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Smart Home Energy Monitor with 8 50A Circuit Level Sensors | Vue - Real Time Electricity Monitor/Meter | Solar/Net Metering

  • ...pports single-phase up to 240VAC line-neutral.
  • and three-phase up to 415Y/240VAC (no Delta). Panels with access only to busbars will need flexible sensors available from Emporia Energy. A professional electrician is recommended..
  • 24/7 ENERGY MONITORING: Monitor your home's real power anywhere, anytime to prevent costly repairs, conserve energy, and save costs. Monitor solar / net metering. Light commercial 3 phase option available as a separate bundle. PROTECTED BY A 1-YEAR WARRANTY..
  • APPLIANCE MONITORING WITHOUT GUESSWORK: Comes with eight (8) 50A sensors to accurately monitor your air conditioner, furnace, water heater, washer, dryer, range, etc. Add up to eight more sensors..
  • LOWER YOUR ELECTRIC BILL: Gauge real-time spending and get actionable notifications to understand where you can save costs..
  • REAL-TIME ENERGY DATA: REQUIRES 2.4 GHz WIFI WITH AN INTERNET CONNECTION to monitor energy use with iPhone / Android / Web app. Vue sensors provide 1-second data and are accurate from ±2%. The Vue is UL and CE Listed for your safety. 1 second....
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RecPro RV Tank Sensor Monitor Panel M21 | KIB Replacement | Panel Only | Level Sensor | Fresh Water or Holding Tank Level Sensor (Black)

  • ...pports single-phase up to 240VAC line-neutral.
  • and three-phase up to 415Y/240VAC (no Delta). Panels with access only to busbars will need flexible sensors available from Emporia Energy. A professional electrician is recommended..
  • 24/7 ENERGY MONITORING: Monitor your home's real power anywhere, anytime to prevent costly repairs, conserve energy, and save costs. Monitor solar / net metering. Light commercial 3 phase option available as a separate bundle. PROTECTED BY A 1-YEAR WARRANTY..
  • APPLIANCE MONITORING WITHOUT GUESSWORK: Comes with sixteen (16) 50A sensors to accurately monitor your air conditioner, furnace, water heater, washer, dryer, range, etc..
  • LOWER YOUR ELECTRIC BILL: Gauge real-time spending and get actionable notifications to understand where you can save costs..
  • REAL-TIME ENERGY DATA: REQUIRES 2.4 GHz WIFI WITH AN INTERNET CONNECTION to monitor energy use with iPhone / Android app. Vue sensors provide 1-second data and are accurate from ±2%. The Vue is UL and CE Listed for your safety. 1 second data is retained 3 hours, 1 minu....
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NR2-25 Thermal Overload Relay Electric Adjustable Motor Protection Thermal Overload Protection Relay(2.5-4A)

  • The thermal overload relay is made of high-quality alloy material, large-area binding post, independent terminal and screw fixing, which is convenient and quick to install..
  • The test button of the thermal overload relay, that is, the button that tests whether the thermal overload relay can operate, press this button, which is equal to whether the operation state of the thermal overload relay is normal when it is dropped or overcurrent..
  • Thermal overload relays are used to protect phase loss during motor overload, phase failure protection, manual and automatic reset, temperature compensation, tripping indication, stop button, etc..
  • The thermal overload relay has a temperature compensation structure and has an action flexibility check. The switchable manual reset device manually disconnects the normally closed contact device, and the electricity is made simple and safe..
  • We strive to provide you with the highest quality product and the best customer experience, if you're not entirely satisfied, please just feel free to contact us at any time..
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NEW TeSys LRD thermal overload relays LR-D16 LRD16 9-13A Class 10A

  • Class 10 Ambient Compensated Overload with Phase Loss Protection..
  • New Aftermarket Replacement for Telemecanique Overload Relay including a 1 year warranty..
  • "12-18A Adjustable Overload Mounts to NC1- D12, D18, D25 or D32 Contactor".
  • Series LR overload relays are intended and UL recognized for use with US Breaker NC1D contactors..
  • Telemecanique parts are provided to assist selection. Select products according to each applicaion..
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Cumberland Swan/Vi-Jon 1000032061 Witch Hazel (Pack of 12)

  • USED FOR-- High quality generator controller is integrated with digital, intelligent, and network technology for the automation and monitoring system of a single generator set.
  • MULTIFUNCTION-- Realize the automatic start/stop, data measurement, alarm protection and "three remote" functions of the generator set. Speed sensor frequency range: 1Hz-10KHz, speed sensor voltage range: 0.5V-70V.
  • WITH LARGE-SCREEN-- The controller adopts large-screen liquid crystal (LCD) display, Chinese, English, Spanish and Russian optional interface operation, simple operation and reliable operation.
  • WIDE APPLICATION-- Generator controller is suitable for 3?phase 4?wire, 3?phase 3?wire, single?phase 2?wire, 2?phase 3?wire (120V/240V) power supply 50Hz/60Hz system.
  • GOOD REPLACEMENT-- This generator controller module is a good replacement for your old or broken one, comes with 4pcs brackets, easy to install.
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Impedance Analysis Module Wideband Logarithmic Amplifier 1.6mm Thick Double‑sided Board AD8302

  • Has the functions of remote system monitoring and diagnosis, return loss, and AC signal logarithmic ratio..
  • Using Printed Circuit Board1.6mm thick double‑sided board, the whole process of spraying tin to ensure good current passing performance..
  • Precise radio frequency power control, precise gain measurement scale, improve efficiency..
  • Measure gain, loss and phase up to 2.7GHz, dual demodulation logarithmic amplifier and phase detector, input range in 50Ω system ‑60dBm to 0dBm..
  • Various measurements, AD8302 can measure the gain and phase difference of amplifiers, mixers and other circuits..
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