Top Line Voltage Indicator Reviews

DUOYI Ground Digital Insulation Resistance Meters, 0-2000 Ohm DCV ACV Meter Megohmmeter Megohm

  • The ground resistance tester is a commonly used instrument for testing and measuring ground resistance. It is also a common tool for electrical safety inspection and grounding engineering completion acceptance. This product is suitable for grounding resistance measured by electric power, post and telecommunications, railway, petroleum, chemical, communication, mining as well as measuring low resistance conductor resistance..
  • High precision: Three-wire resistance compensation test method can eliminate the influence of lead resistance. Fast response: Display measurement data in approximately 5 seconds..
  • Withstand voltage protection: Grounding voltage file, can withstand 300VAC (1 minute), grounding resistance file, can withstand 200VAC (10 seconds)..
  • Three-speed measurement: 0-20 ohms (resolution 0.01 ohms), 0-200 ohms (resolution 0.1 ohms), 0-2000 ohms (resolution 1 ohm).
  • Indicator light guide:Power and Wiring indicator to guide the user to use correctly, power light: power indicator. Green light:Checking the test line correct or not, the 6th 5th battery installed correctly or not..
Check Stock

Low Voltage Thermostat, Heat-Cool-Off, LCD

  • Price For: Each Display: LCD Item: Line Voltage Thermostat Power Method: Hardwired/Battery Battery Backup: Yes Width: 5-1/8" Voltage: 24VAC For Use With: Heating and Cooling Programmable Fan: No System Switching: Heat-Cool-Off Stages Heat: 1 Temporary Temperature Hold: No Control Range: 37 Degrees to 102 Degrees F Terminal Designations: Y,G,C,W,R.
  • Fan Switching: Auto-On Automatic Changeover: No Height: 2-1/4" Includes: (2) AA Batteries, Screws and Wall Anchors Dual Transformer Compatible: No Low Battery Indicator: Yes Depth: 6-1/8" Batteries Included: Yes Temperature Limiting: No Humidification Control: No Temporary Program Override: No Filter Indicator: No Color: White Key Pad Lockout: No Stages Cool: 1 750mV Compatible: No.
  • Dehumidification Control: No Occupancy Sensor: No Country of Origin (subject to change): Mexico.
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

GeepKey 30 Amp Power Inlet Box, NEMA 3R Power Inlet Box, NEMA L14-30P PB30 Power Inlet Box, 125/250 Volt, 7500 Watts Generator Transfer Switch, Weatherproof for Outdoor Use, ETL Listed

  • ⚡Application automatic transfer switch device:Line Voltage: AC110V.
  • Display Function: Indicator light display.
  • Installation Dimension: 128mm*122mm hole: M6.
  • ⚡When one power goes wrong (only test normal Phase A voltage and reserve Phase A voltage, only test loss voltage or loss phase),it will automatic connect one or several load circuits from one power to the other power automatically, to ensure normal power supply of load circuits..
  • ⚡Complete protection function:This switch support variety protection function, including short circuit, overload, lack of phase, under voltage protection..
  • ⚡Easy installation:Reasonable structure, small size, equipped with protective cover, power supply is easy to install and reliable..
Check Stock

Alpinetech PL12MS 12mm 1/2' 12V LED Metal Signal Indicator Pilot Dash Light (Single Arrow (Green))

  • Product nameLight emitting diode metal signal indicator lamp.
  • Product size:14mm/0.55"*15mm/0.59"（D*L),Wire length:20mm/0.78".
  • Easy to install and use: plug-in design, just insert the LED Metal Signal Indicator Light where we need it, connect the line and you can use it..
  • Widely used: 12V metal signal indicator can be used in electrical appliances, doorbell, automobile, motorcycle modification, ship, yacht, etc..
Check Stock

Digital Phase Indicator , Akozon SP8030 Digital Phase Rotation Indicator LED Buzzer Phase Sequence Meter 200 ith Bag

  • It is durable, reliable and light-weight handheld device, which is necessary tool for those who often install, repair or maintain three-phase system or motor..
  • Without a need to link testing line, the motor rotation direction can be decided by placing this indicator above the motor and aligning it with motor drive shaft..
  • Used to test phase sequence input of three-phase voltage, to indicate phase line L1, L2 and L3..
  • PM5900 Motor and Phase Rotation Indicator is used to test magnetic field direction of three-phase system, phase rotation, motor rotation direction..
  • It also supports non-contact type magnetic field rotation direction test (motor rotation direction test)..
Check Stock

Phase Sequence Meter, 60V ~ 600V AC 3 Phase Sequence Rotation Tester, with 5 LED Lights, for General Measuring Tool

  • It is durable, reliable and light-weight handheld device, which is necessary tool for those who often install, repair or maintain three-phase system or motor..
  • Used to test phase sequence input of three-phase voltage, to indicate phase line L1, L2 and L3..
  • PM5900 Motor and Phase Rotation Indicator is used to test magnetic field direction of three-phase system, phase rotation, motor rotation direction..
  • Without a need to link testing line, the motor rotation direction can be decided by placing this indicator above the motor and aligning it with motor drive shaft..
  • It also supports non-contact type magnetic field rotation direction test (motor rotation direction test)..
Check Stock

Fluke 378FC AC/DC TRMS Non-Contact Voltage Wireless Clamp w/PQ Indicator & iFlex

  • Measure voltage and current with your clamp jaw.
  • Faster, safer testing - all without touching a live wire - using FieldSense technology.
  • Complete 3-phase voltage and current tests with fewer steps.
  • Power quality indicator shows whether equipment or power line is faulty (378 FC).
Check Stock

MADE IN USA - Battery Relocation Kit, 2 AWG Cable, Top Post 12 FT RED 3 FT BLACK

  • 【Manual state use function】——The blue indicator light is ON, press the button each time, you can complete the circuit connection and disconnection. The circuit switched on the red indicator, the voltmeter lights up at the same time. The circuit disconnect red indicator light, the voltmeter goes out at the same time.
  • 【Automatic state use Function】——When the input voltage exceeds 13.3V, the circuit will be connected automatically. The voltmeter and red (LED) indicator will also be ON. When the input voltage drops to 12.7V, the circuit will be disconnected automatically. The voltmeter and red (LED) indicator will also be OFF.
  • 【Voltmeter display】—— If two batteries are connected, then the voltage displayed on the voltmeter is the battery that has higher voltage. Only connect the battery that you would like test the voltage and disconnect the other battery.When the voltmeter is not working, press the button once, the voltmeter will display the value for 2 seconds.
  • 【High & low pressure protection】—— When the input voltage reaches lower than 11V or more than 17V, the circuit will be disconnected automatically to protect the main battery from over discharging or protect the secondary battery from high voltage impact.
Check Stock

Over-Voltage Under-Voltage Protection Monitoring Relay Circuit Breaker Adjustable Control Module DC 12V/24V/36V/48V(DC24V)

  • Voltage RegulationWhen a faulty line occurs, the voltage protection relay can adjust the overvoltage value and the action time, and record the fault for more flexible use..
  • Real-time MonitoringThe voltage protection relay can monitor overvoltage and undervoltage faults in real time and take protective measures in time..
  • LED DisplayThe voltage protection relay includes two sets of normally open and closed contacts, and the two indicator lights respectively indicate different working states..
  • Rail MountingThe voltage protection relay adopts a standard modular structure and is mounted on a 35mm rail without additional auxiliary power..
  • Our ServiceWe 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

BXST One Outlet Plug Surge Protector Voltage Protector for Home Protects Against High and Low Voltage Surge Protector for Refrigerators

  • The shell material is ABS, PC, PA 66, V0 flame retardant grade. The hardware is 0.7mm thick beryllium bronze. Using high-quality relays, the product performance is more excellent..
  • Four kinds of indicator lights: output indicator light (green light), delay indicator light (yellow light), overvoltage indicator light (red light), undervoltage indicator light (red light), when the yellow light is on, the device will delay 180s to confirm the voltage stable for re-establishment..
  • Delay protection: The device encounters voltage fluctuations and will protect the device by providing output until the voltage is stable. The yellow light is on. The device will delay for 180S and work again..
  • Our products have a number of international certifications, as well as original patents. We promise product warranty for one year. If you have any questions about the product, please contact us and we will solve it for you as soon as possible..
Check Stock