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Best Phase Sequence Relay

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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3-Phase Voltage Monitoring Relay AC 220-440V Phase Sequence Protection Small Size Protection for Industry Applications

  • Dynamic phase loss, static phase loss protection: refers to the phase failure of any phase when the protected device is in the running state or non-operating state. The indicator light is in the form of red light and priority.
  • Wrong phase protection: A protection measure to prevent the phase sequence of L1, L2, L3 three-phase AC power supply from being connected incorrectly. Instant action. The indicator light is in the form of yellow light..
  • Voltage Unbalance Protection: Refers to a voltage imbalance that will affect the safe operation of the device. When the voltage imbalance rate is higher than 8%. The form of the indicator light is: the lack of phase red light is on, and priority..
  • Delay protection: When there is a fault, the monitor will delay after 1~2 seconds, and the relay will release..
  • The protection function of the monitor is not affected by the current of the line or load, the inrush current, the unbalanced current and the nature of the load. Long-term work with full performance and full climate. Power consumption is no more than 2W..
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Voltage Monitoring Relay Phase Sequence Protection TG30S Phase Sequence Relay 3-Phase Mini for Industry Applications

  • Dynamic phase loss, static phase loss protection: refers to the phase failure of any phase when the protected device is in the running state or non-operating state. The indicator light is in the form of red light and priority.
  • Wrong phase protection: A protection measure to prevent the phase sequence of L1, L2, L3 three-phase AC power supply from being connected incorrectly. Instant action. The indicator light is in the form of yellow light..
  • Voltage Unbalance Protection: Refers to a voltage imbalance that will affect the safe operation of the device. When the voltage imbalance rate is higher than 8%. The form of the indicator light is: the lack of phase red light is on, and priority..
  • Delay protection: When there is a fault, the monitor will delay after 1~2 seconds, and the relay will release..
  • The protection function of the monitor is not affected by the current of the line or load, the inrush current, the unbalanced current and the nature of the load. Long-term work with full performance and full climate. Power consumption is no more than 2W..
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Voltage Monitoring Relay Protection 3-Phase AC 220-440V Small Size Phase Sequence Protection Phase Sequence Relay for Industry Applications

  • Dynamic phase loss, static phase loss protection: refers to the phase failure of any phase when the protected device is in the running state or non-operating state. The indicator light is in the form of red light and priority.
  • Wrong phase protection: A protection measure to prevent the phase sequence of L1, L2, L3 three-phase AC power supply from being connected incorrectly. Instant action. The indicator light is in the form of yellow light..
  • Voltage Unbalance Protection: Refers to a voltage imbalance that will affect the safe operation of the device. When the voltage imbalance rate is higher than 8%. The form of the indicator light is: the lack of phase red light is on, and priority..
  • Delay protection: When there is a fault, the monitor will delay after 1~2 seconds, and the relay will release..
  • The protection function of the monitor is not affected by the current of the line or load, the inrush current, the unbalanced current and the nature of the load. Long-term work with full performance and full climate. Power consumption is no more than 2W..
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TG30S Mini AC 220-440V Voltage Monitoring Relay Phase Sequence Protection Protection 3-Phase Phase Sequence Relay for Industry Applications

  • Dynamic phase loss, static phase loss protection: refers to the phase failure of any phase when the protected device is in the running state or non-operating state. The indicator light is in the form of red light and priority.
  • Wrong phase protection: A protection measure to prevent the phase sequence of L1, L2, L3 three-phase AC power supply from being connected incorrectly. Instant action. The indicator light is in the form of yellow light..
  • Voltage Unbalance Protection: Refers to a voltage imbalance that will affect the safe operation of the device. When the voltage imbalance rate is higher than 8%. The form of the indicator light is: the lack of phase red light is on, and priority..
  • Delay protection: When there is a fault, the monitor will delay after 1~2 seconds, and the relay will release..
  • The protection function of the monitor is not affected by the current of the line or load, the inrush current, the unbalanced current and the nature of the load. Long-term work with full performance and full climate. Power consumption is no more than 2W..
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Mini AC 220-440V TG30S Phase Sequence Protection Voltage Monitoring Relay Voltage Phase Protective Relay Building Electronics Projects for Industry Applications

  • Dynamic phase loss, static phase loss protection: refers to the phase failure of any phase when the protected device is in the running state or non-operating state. The indicator light is in the form of red light and priority.
  • Wrong phase protection: A protection measure to prevent the phase sequence of L1, L2, L3 three-phase AC power supply from being connected incorrectly. Instant action. The indicator light is in the form of yellow light..
  • Voltage Unbalance Protection: Refers to a voltage imbalance that will affect the safe operation of the device. When the voltage imbalance rate is higher than 8%. The form of the indicator light is: the lack of phase red light is on, and priority..
  • Delay protection: When there is a fault, the monitor will delay after 1~2 seconds, and the relay will release..
  • The protection function of the monitor is not affected by the current of the line or load, the inrush current, the unbalanced current and the nature of the load. Long-term work with full performance and full climate. Power consumption is no more than 2W..
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Garosa Voltage Monitoring Relay, Overvoltage Undervoltage Monitoring Sequence Protector with LED Lights, 480VAC

  • 【Item Main Purpose】This phase sequence protector is mainly used for various fault detection of 3-phase voltage.not easy to be damaged, can be used for a long time without worry..
  • 【5 Indicators To Indicate】Normal, phase loss (voltage three-phase unbalance), reverse phase, overvoltage and undervoltage.We fully guarantee the quality of our products.Please rest assured to buy our items..
  • 【Full-Featured】It integrates three-phase voltage display, over-voltage protection, under-voltage protection, phase-gap protection (phase-break protection), three-phase voltage unbalance protection, phase sequence protection (phase-staggered protection) and acoustooptic alarm..
  • 【Installation Method】The base of the protector adopts a rail type with two screw holes, which can be directly installed separately or mounted on the HT35 rail..
  • 【Application Scenarios】This phase sequence protector is widely used in air compressor, motor distribution box, pump, central air conditioning units, power distribution cabinet, crane, etc.Safety using. If you still have any questions, please send us emails, we're available 24 hours..
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1Pcs Photocell Cap,TwistLock Photocell Shorting Cap,Photo Control Sensor Receptacle with Surge Protection,Dusk to Dawn 3 Prong Bypass Cap

  • ◆ Function: phase sequence detection, live line check, simple performance check, live cable identification, phase loss assessment, search for cable break position, detection of DC line break point, line maintenance.
  • ◆ Non-Contact Inspection: Non-contact inductive measurement of the terminal type without opening the cable, without touching the exposed high voltage fire cable, with the three highly insulated super inductive terminals inserted directly into the cable insulation skin 3-phase live detection for safe and quick productivity..
  • ◆ Positive and Negative Phase: With the LED display, dynamic sound and light perfectly show the positive or negative phase of the phase sequence of the three-phase power supply, which can be seen at a glance..
  • ◆ Magnetic base: The base plate of the instrument is equipped with 4 magnets that can stand a quality of 800 g. They can be attached to the metal case of the device during the test, and it is convenient and convenient to use..
  • ◆ Wide Voltage Test: This phase meter can detect three-phase voltages from 70V to 1000V and has excellent performance..
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EATON CUTLER HAMMER - XTOB040DC1 - OVERLOAD RELAY

  • APPLICABLE OCCASIONS: Suitable for power systems with rated isolation voltage up to 690V and circuit 50-60hz..
  • PRODUCT FUNCTION: This relay can be used as an overload protection for long-term or indirect long-term maintenance of the motor..
  • FUNCTION: This relay is used for protecting the phase break when the electric motor is overload..
  • VERSATILE: The relay has different mechanism and temperature compensation..
  • EASY TO OPERATE: With phase break protection, manual and automatic reset, temperature compensation, trip indication, test button and stop button..
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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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KAIWEETS Multimeter, Electric Tester, Pen-Type Multimeter, Digital Multimeter 0.8-600V,Professional Multimeter Pen for AC/DC Voltage/Live Wire Test/Capacitance/Resistance/Continuity/Diode,ST120

  • 【Multi-Parameter Measurement】Enter the Smart (Auto) mode by default, the digital multimeter automatically identifies and measures AC/DC Voltage, Resistance, and Continuity. It also tests Capacitance, Diode, Frequency, and Live Wire..
  • 【Phase Sequence 】ST120 stands out with its unique phase sequence detection. When turn on the “PA” mode, the operator can detect whether the phase sequence is clockwise or anti-clockwise..
  • 【Easy to Use】Switch measurement mode with button “Func” and hold data with button “H” . Backlight LCD screen ensures reading to be clearly seen in either dark or bright areas. The flashlight below the red probe helps you to work without concerns under dim light..
  • 【Wide Application】 Industrial electrical safety measurements, household electric problems, vehicle and circuit inspection..
  • 【 Customer Service】Lifelong technical support is guaranteed. Please don’t hesitate to contact us if there are any questions with our ST120 pen-type multimeter..
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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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Omron K8DS-PH1 Phase Monitoring Relay

  • The base of the protector adopts a rail type with two screw holes, which can be directly installed separately or mounted on the HT35 rail..
  • Use 5 indicators to indicate: normal, phase loss (voltage three-phase unbalance), reverse phase, overvoltage and undervoltage..
  • Phase loss protection means that when the protected line is in the running state or non-operating state, any phase failure occurs, and the delay is 2S..
  • Overvoltage protection means that the voltage of the protected line is higher than the set value, and the delay is 3~8S, and the recovery is 6~20VAC..
  • Reverse phase protection, a protection measure to prevent L1, L2, L3 three-phase AC phase sequence from being connected incorrectly, delay 2S action..
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