Categories

Best Three Phase Relay

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..
Check Stock

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..
Check Stock

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..
Check Stock

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..
Check Stock

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..
Check Stock

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..
Check Stock

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..
Check Stock

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..
Check Stock

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..
Check Stock

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.
Check Stock

Shelly 3 EM Wireless 3-Phase Energy Meter Remote Control Sunrise/Sunset Weekly Schedules Device - 1 Pack

  • POWER MEASUREMENT & CONTROL: Shelly 3EM gives owners enhanced safety and everyday control over appliances or machinery, along with the ability to make smart decisions about electrical consumption. The 3EM is a Wi-Fi energy measurement device, monitoring up to three phases between 110 and 240v per line..
  • MONOPHASE SYSTEMS: Shelly 3EM can calculate 2-way consumption: produced and used energy for each of the three phases. The device can be configured to measure three separate points of a mono-phase electrical system and measure each of them separately..
  • CONTACTOR CONTROL: Shelly 3EM has an integrated 10A relay output for contactor control..
  • NO HUB REQUIRED: You can control Shelly 3EM directly, no hub required. It is compatible with any Wi-Fi router. Or if you prefer you can connect it to your home automation platform..
  • OVERCONSUMPTION PROTECTION: Shelly 3EM can automatically notify and/or switch off the circuit if consumption or energy reaches the preset limit..
Check Stock

Automotive Relay Tester 12V Auto Relay Diagnostic Tool Battery Checker Small Relay Tester with Clips

  • Easy To Use - The tester will automatically detect the pin position, the release time of the action, and the consistency of the relay in each test phase. If the tester lights up the green LED light, the relay is normal.
  • if the red LED light is on, the relay is abnormal..
  • To Operate - First, clip the alligator clip of the tester to the car battery, the black clip on the negative pole, and the red clip on the positive pole. When the red LED light is on, it means the tester can start the test. Check the relay before testing. Select the appropriate socket according to the pins, insert the relay into sockets, press the "Test" button, and the tester will automatically detect the pin position of the unknown relay..
  • Fitment - Suitable for most general-purpose automotive relays on the market. When testing, it needs to be connected to the car's 11V-15V battery. The car battery must be a 12V battery, and the battery voltage must be between 11V-15V.
  • 2. The applicable coil resistance is preferably above 20 ohms..
  • Compact - Our automotive Relay tester is small and easy to carry around for on-the-go jobs or for easy storage. Its compact design allows easy use no matter where you are..
  • Simple and Quick - With our patented design this relay tester will give you the ....
Check Stock

AC 480V 3 Phase Circuit Protection Voltage Monitoring Relay 5 Indicators Heavy Duty Phase Failure Sequence Protection Relay Stable for Air Compressors

  • Convenient Monitoring: The voltage relay can monitor its own operating voltage (true rms measurement)..
  • High Accuracy: The voltage relay has 8 adjustable rated voltages, and the voltage measurement accuracy is less than 1%..
  • Application: Equipment protection and control (tower cranes, elevators, agricultural equipment, refrigerated trucks).
  • LED Indicator: The working status of the voltage control relay is indicated by the LED indicator..
  • Small Size and Easy to Install: The voltage protection relay is ultra-small and can be mounted on a 35mm DIN rail..
Check Stock