Reviews Three Phase Relay

YWBL-WH Monitoring Relay,JVRD6 Phase Sequence Protection Relay Monitoring Voltage Control Device

  • Function: Three-phase monitoring of phase sequence, phase loss..
  • Application: This monitoring relay is suitable for pumps, fans, blowers, motor elevators, cranes, central air conditioners, etc..
  • Construction and installation: This phase sequence relay uses standard modular construction and rail-mounted mounting..
  • Power supply mode: Powered by the measurement circuit, no additional auxiliary power supply is required..
  • Accessories: With 2 indicators to indicate various working conditions, the two groups usually open/close contacts..
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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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GRV8-03 Monitoring Relay, 176V-552V Ultrasmall Three Phase Voltage Relay Voltage Monitoring Relay Adjust for Mobile Device Connection Control(M265)

  • Small Size: 2021 Improved Version, This 3-Phase Monitoring Relay has a smaller compact size for easier and convenient use and install, and the size of the Monitoring Relay is 8.1 x 6.7 x 1.75 cm/3.1 x 2.6 x 0.6 inch, you can install it on any places around the room, saving a lot of place.
  • Multi-functioanl: This DPA51CM44 3-Phase Monitoring Relay has a widely use on the electric filed, and it can be applied to motor protection, elevator, air conditioning system, power system and other industries, very helpful tool during daily life.
  • Work Well: DPA51CM44 3-Phase Monitoring Relay features with strong anti-interference performance, so it helps maintain a constant and efficient work of the motor, it will provide an excellent performance during the working process.
  • 3-Phase Design: This Current Monitoring Relay is designed with 3-Phase Monitoring Relay to provide a correct phase sequence, without neutral, phase Loss and Incorrect phase sequence, so it can detect when all phases are present and have the correct sequence.
  • LED Indication: This DPA51CM44 Monitoring Relay features an LED indication for easier installation and trouble shooting, which permits a maximum degree of protection to be achieved for machines, plants and systems, and avoid far more significant....
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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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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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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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NR2-25 Professional Thermal Overload Relay Electric Thermal Relay with Adjustable Motor Protection(17-25A)

  • Durable to use ::It is made of quality material, and it is durable to use..
  • Practical to use ::This thermal relay can be used in the circuit of 50-60hz, rated insulation voltage 690V..
  • Professional protection function ::It is used for protecting the phase break when the electric motor is overload..
  • Different mechanism and temperature compensation ::The relay features different mechanism and temperature compensation..
  • Excellent design ::It is designed with phase break protection, manual and automatic reset, temperature compensation, trip indication, test button, and stop button..
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Dorhea 12Pcs JQC-3F 12V SPST Power Relay Module PCB Type DC 12 Volt Coil 5 Pins Mini SPST Power Coil Relay Electric Circuit Protection DC Power Relay

  • Made of quality material, having long service time..
  • This thermal relay can be used in the circuit of 50-60hz, rated insulation voltage 690V..
  • Used for protecting the phase break when the electric motor is overload..
  • The relay has different mechanism and temperature compensation.
  • With phase break protection, manual and automatic reset, temperature compensation, trip indication, test button, stop button.
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