Top Three phase Ac

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.
Check Stock

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

Simran 5000 Watt Step Up/Down Voltage Transformer Converter Box with Built-in Voltage Regulator for 110V-240V Circuit Breaker Protection VSR-5000

  • 5000 watt two way Step Up Down voltage transformer with built-in voltage Regulator/stabilizer. Converts 110/120 volt to 220/240 V and Single Phase 220....
  • It can regulate big range fluctuating input voltage from AC 75V-130V or 180V-260V to output voltage: AC 110v+-3% or Single Phase AC 220v+-3%.....
  • Two Universal 220V outlet accepts plugs from any country except the big South African Plug. Three 110V outlet accepts 3 or 2 prong US plugs and 2....
  • Circuit breaker and metal casing with carry handle. Remember to leave at least 100% margin for power surges/Spike when buying a transformer. For....
Check Stock

Victron Energy Quattro 5000VA 12-Volt Pure Sine Wave Inverter 220 amp Battery Charger

  • Victron Energy Quattro 12-Volt 5000VA 220 amp is a combined 120V inverter and battery charger, additionally it can be connected to two independent AC....
  • In the event of grid failure, the Quattro takes over the supply to the connected loads. This happens so fast that computers and other electronic....
  • With the unique Power Assist feature the Quattro will prevent overload of a limited AC source, such as a generator or shore power connection.
  • Up to 6 Quattros can operate in parallel to achieve virtually unlimited power, three phase or split phase operations are also possible.
  • Incorrect installation can be hazardous, Please consult a licensed professional and follow all applicable electrical codes during installation.
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

Victron BMV-712 Battery Monitor (BLACK) with Battery Temperature Sensor kit

  • Victron Energy Quattro 48-Volt 5000VA 70 amp is a combined 120V inverter and battery charger, additionally it can be connected to two independent AC sources.
  • In the event of grid failure, Victron Energy Quattro takes over the supply to the connected loads. This happens so fast that computers and other electronic equipment will continue to operate.
  • With the unique Power Assist feature Victron Energy Quattro will prevent overload of a limited AC source, such as a generator or shore power connection.
  • Up to 6 Victron Energy Quattros can operate in parallel to achieve virtually unlimited power, three phase or split phase operations are also possible.
  • When coupled with a Victron Energy GX device (Sold separately) you can monitor and control your Victron Energy Quattro and system remotely via the internet from anywhere in the world.
Check Stock

Victron Energy Quattro 5000VA 48-Volt Pure Sine Wave Inverter and 70 amp Battery Charger

  • Victron Energy Quattro 48-Volt 5000VA 70 amp is a combined 120V inverter and battery charger, additionally it can be connected to two independent AC sources.
  • In the event of grid failure, Victron Energy Quattro takes over the supply to the connected loads. This happens so fast that computers and other electronic equipment will continue to operate.
  • With the unique Power Assist feature Victron Energy Quattro will prevent overload of a limited AC source, such as a generator or shore power connection.
  • Up to 6 Victron Energy Quattros can operate in parallel to achieve virtually unlimited power, three phase or split phase operations are also possible.
  • When coupled with a Victron Energy GX device (Sold separately) you can monitor and control your Victron Energy Quattro and system remotely via the internet from anywhere in the world.
Check Stock

Victron Energy Quattro 5000VA 24-Volt Pure Sine Wave Inverter and 120 amp Battery Charger

  • Victron Energy Quattro 24-Volt 5000VA 120 amp is a combined 120V inverter and battery charger, additionally it can be connected to two independent AC sources.
  • In the event of grid failure, Victron Energy Quattro takes over the supply to the connected loads. This happens so fast that computers and other electronic equipment will continue to operate.
  • With the unique Power Assist feature Victron Energy Quattro will prevent overload of a limited AC source, such as a generator or shore power connection.
  • Up to 6 Victron Energy Quattros can operate in parallel to achieve virtually unlimited power, three phase or split phase operations are also possible.
  • When coupled with a Victron Energy GX device (Sold separately) you can monitor and control your Victron Energy Quattro and system remotely via the internet from anywhere in the world.
Check Stock

Phase Sequence Meter, 20 Hz ~ 400 Hz Compact Handheld Three Phase Sequence Rotation Meter, No Battery Needed, for General Measuring Tool

  • Wide range of uses: 100% brand new high quality digital phase indicator. An indicator with two functions to check the phase sequence and indicate whether the phase is disconnected..
  • Easy to use: This indicator can check three-phase AC voltage from 200V to 480V, with excellent performance. The LED light can show whether the phase is disconnected and supports buzzer indication..
  • Easy to carry: small size, light weight, convenient to carry, simple operation, safe and reliable to use. Small and light, with a bag for you to take with you..
  • High-quality materials: Made of high-quality plastic, it has excellent insulation, heat resistance, and is not easily damaged by collision. High-quality products provide you with a high-quality guarantee..
  • Professional manufacturing: factory unified standards, excellent, professional manufacturing, CNC edge processing and cutting, long service life, all components meet strict production requirements. You can add it to the shopping cart immediately and enjoy this home digital display test pen quickly..
Check Stock