Top Monitoring Relay

AC Current Sensing Switch Flameproof Adjustable 0.2~30A IP30 Self-Powered Sensing Switch(Normally Closed)

  • Control of various automatic industrial control equipment, flash, buzzer, relay, single chip, or other power load equipment..
  • Using the electromagnetic mutual inductance principle of current, the advanced switch output detection, monitoring and protection alarm type products without power supply technology are adopted..
  • Widely used in substation, frequency control device, inverter device, electrolytic plating, electric locomotive, street lamp monitoring, coal mine and other need current monitoring automation industry..
  • Compared with traditional transformer and thermal protector, it has the advantages of high accuracy, stable performance and long service life..
  • The current-sensing switch is for safe, convenient monitoring or detecting the current of electric equipment. An ideal choice for automatic industrial control equipment and electric power 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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Phase Monitoring Relays JVR800-2 Under Over Voltage Protector, Three-Phase Voltage Monitoring Sequence Protection Relay with

  • This monitoring relay can monitor own working voltage..
  • 8 kinds of rated voltages are adjustable, can apply to voltages in all regions of the world.
  • The working status of the relay is indicated by the LED indicator.
  • Ultra-small size and it is easy to install..
  • It is applied to mobile device connection control, causing accidents in equipment protection against reverse operation, normal/emergency power switch, preventing phase failure of power load..
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Three Phase Voltage Monitoring Relay, Three Phase Voltage Small Monitoring Relay Phase Sequence Relay for Mobile Device Connection Control for Mobile Device(M265)

  • This monitoring relay can monitor own working voltage..
  • 8 kinds of rated voltages are adjustable, can apply to voltages in all regions of the world.
  • The working status of the relay is indicated by the LED indicator.
  • Ultra-small size and it is easy to install..
  • It is applied to mobile device connection control, causing accidents in equipment protection against reverse operation, normal/emergency power switch, preventing phase failure of power load..
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Siemens 3UG4511-1AP20 Monitoring Relay, Three Phase Voltage, Insulation Monitoring, 22.5mm Width, Screw Terminal, 1 CO Contacts, Delay Time, 420-690 Line Supply Voltage

  • This monitoring relay can monitor own working voltage..
  • 8 kinds of rated voltages are adjustable, can apply to voltages in all regions of the world.
  • The working status of the relay is indicated by the LED indicator.
  • Ultra-small size and it is easy to install..
  • It is applied to mobile device connection control, causing accidents in equipment protection against reverse operation, normal/emergency power switch, preventing phase failure of power load..
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ABB 1SVR730760R0500 CM-SFS.22S CURRENT MONITORING RELAY

  • Current sensing relay for monitoring electrical current.
  • Current carrying wire is routed through an aperture.
  • Electrical isolation between circuits (SPDT).
  • Variable trip point range with adjustable timer for stability.
  • UL recognized for safety and RoHS compliant for hazardous substances.
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Raguso AC Current Transducer, Small Compact Simple Installation AC Current Transmitter Widely Applicable for Home for Industry for Indoor

  • High-quality material: The AC current transmitter is made of high-quality ABS material, which is strong and durable..
  • High accuracy: professional design of transmitter and receiver modules, mutual inductance current monitoring, high current detection accuracy, safe isolation of input and output..
  • Self-powered: The current sensor clip is self-powered, no external power supply is required, and it is easy to use..
  • Withstand voltage: The current sensor relay adopts a straight-through structure design, and the isolation withstand voltage is up to 2000V..
  • Application: AC current sensor is suitable for AC current measurement and monitoring, AC motor overload protection, electronic switch of automatic control system, etc..
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Siemens 3UG4616-1CR20 Monitoring Relay, Three Phase Voltage, Insulation Monitoring, 22.5mm Width, Screw Terminal, 1 CO For Vmin and Vmax Contacts, 0-20s For Vmin and Vmax Delay Time, 160-690 (90-400 w.r.t. N) Line Supply Voltage

  • This monitoring relay can monitor own working voltage..
  • 8 kinds of rated voltages are adjustable, can apply to voltages in all regions of the world.
  • The working status of the relay is indicated by the LED indicator.
  • Ultra-small size and it is easy to install..
  • It is applied to mobile device connection control, causing accidents in equipment protection against reverse operation, normal/emergency power switch, preventing phase failure of power load..
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DZS Elec Temperature Controller -50 to 110 Celsius (-58 to 230 F) DC 12V Programmable Heating/Cooling Thermostat Control Switch Module NTC Waterproof Sensor Probe Dual Color LED Display Monitor

  • Temperature controller monitoring instrument, show the measured temperature (red) and set temperature (blue) at the same time. Can be used for cooling/heating control. Operating Voltage: DC12V 200mA.
  • Measurement Range: -50 to 110 Celsius (-58 to 230 F), the C/F button allows you to switch between Celsius and Fahrenheit temperatures.
  • Clear Working State: the relay is closed when the light is on, and the relay is disconnected when the light is off. It has high temperature protection..
  • With a waterproof NTC (10K 0.5%) temperature sensor probe, rogrammable heating/cooling mode, delay start, high temperature alarm, Celsius/Fahrenheit mode, etc..
  • Can be used for fish tank water temperature control, incubation field, equipment cabinet, air conditioning system, temperature control protection, control cabinet cooling system and other DIY temperature control systems..
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ATEN CN9950 1-Local/Remote Share Access Single Port 4K DisplayPort KVM Over IP Switch

  • Supports DisplayPort resolution up to 4K DCI (4096 x 2160 @ 30Hz) at both the local and remote consoles.
  • Provides an FPGA graphics processor for better image quality and enhanced fps (frames per second) throughput for crisp video display response.
  • Supports 5-pin Relay/DI Terminal for environment monitoring and reboot control.
  • Dual power supply and dual LAN for backup.
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Stage 1 Boost Cooler™ Forced Induction Water-Methanol Injection Kit Red High Temp Nylon Tubing Quick-Connect Fittings

  • Adjustable Boost Activated Water-Meth Engagement, 100% Methanol Resistant, Low Level Monitoring, LED Alert System, High Flow Check Valve, 300 PSI UHO....
  • Includes: 300 PSI UHO Pump, 3Qt Tank, Adjustable Boost Pressure Switch/Relay, 20 AMP Fuse/Fuse Holder, (20') Red High Temp Nylon Tubing, Boost....
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XtremPro 192KHz DAC Converter, 24bit Digital to Analog Audio Converter, Volume Control, Optical, Coaxial, Toslink To Analog, 3.5mm Audio Headphone Amplifier & Mini Stereo Pre-Amplifier - Black (61089)

  • Features the famous Burr-Brown (TI) A/D converter which is unsurpassed in terms of sound quality and performance. Improved overload handling for smoother clipping and analog warmth is handled by PCM4222.
  • Dual DAC architecture for enhanced stereo imaging and signal-to-noise ratio.
  • Dedicated D/A converter for greater convenience, allows monitoring a secondary source.
  • Acoustically Focused Clocking - The flawless clocking in Pure2 is ensured by the same oven-controlled crystal oscillator technology from Antelope Audio's legendary master clocks.
  • Transparent Analog Monitoring - A -1dB stepped relay attenuator with 0.05dB precision and full bypass option.
  • Easy-to-use Software Control - Super intuitive macOS and Windows compatible software panel.
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