Top 21 Best Voltage Relays

 

DPA51CM44 3-Phase Monitoring Relay CurrentVoltage Monitoring Relay Phase Sequence Protector for Three-Phase System Without Neutral Phase Loss and Incorrect Phase Sequence 208-480VAC #ad

DPA51CM44 3-Phase Monitoring Relay, Current/Voltage Monitoring Relay Phase Sequence Protector for Three-Phase System, Without Neutral, Phase Loss and Incorrect Phase Sequence, 208-480VAC

DPA51CM44 3-Phase Monitoring Relay, Current/Voltage Monitoring Relay Phase Sequence Protector for Three-Phase System, Without Neutral, Phase Loss and Incorrect Phase Sequence, 208-480VAC #ad - Small size this 3-phase monitoring relay has a small compact size for easy and convenient use and install, and the size of the monitoring relay is 81 x 67 x 175 cm/31 x 26 x 06 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. 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 subsequent damage, very convenient and useful. 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.

 

Basler Electric BE4-81OU Over Under Voltage Relay Style 1A4N1 120V 5A BE4-810U #ad

Basler Electric BE4-81O/U Over Under Voltage Relay Style 1A4N1 120V 5A BE4-810/U

Basler Electric BE4-81O/U Over Under Voltage Relay Style 1A4N1 120V 5A BE4-810/U #ad - ☆[ Keenso service guarantee ]– professional, premium aftermarket replacement in terms of any problem of this product, you can send emails as soon keenso will provide you excellent customer service and 100% satisfaction warranty buy with confidence in geeriu. ☆[ Automatic reset ]– when the recovery of the main voltage is normal, the protector can contact the power automatically and have the electricity again, all functions can be processed automatically and without manual operation. ☆[ double color indicator led ]– the double color leds on the panel you can indicate the working condition of the protector you can apply electricity normally with green light, when switched to red light, the protection function started and cut off electricity. Dw2125. ☆[ Over voltage protection ]– when the main voltage exceeds the operating voltage of the protector, the protector can cut the circuit fast and reliable, to ensure the protection of the device and personal safety.

 

Omron LY2F-DC12 General Purpose Relay Standard Type Plug-InSolder Terminal Upper Mounting Bracket Single Contact Double Pole Double Throw Contacts 75 mA Rated Load Current 12 VDC Rated Load Voltage #ad

Omron LY2F-DC12 General Purpose Relay, Standard Type, Plug-In/Solder Terminal, Upper Mounting Bracket, Single Contact, Double Pole Double Throw Contacts, 75 mA Rated Load Current, 12 VDC Rated Load Voltage

Omron LY2F-DC12 General Purpose Relay, Standard Type, Plug-In/Solder Terminal, Upper Mounting Bracket, Single Contact, Double Pole Double Throw Contacts, 75 mA Rated Load Current, 12 VDC Rated Load Voltage #ad - Plug-in/solder terminals for plugging into a socket or soldering contacts. Mounts to an upper bracket. Ul listed for safety, csa certified for quality assurance. Electric relay for controlling electric signals in low current applications. Dpdt for simple change-over switching.

 

3 Phase Voltage Monitoring Sequence Relay JVR800-2 Voltage Protection Relay Under Over Voltage Protector #ad

3 Phase Voltage Monitoring Sequence Relay JVR800-2 Voltage Protection Relay Under Over Voltage Protector

3 Phase Voltage Monitoring Sequence Relay JVR800-2 Voltage Protection Relay Under Over Voltage Protector #ad - Function this voltage protection relay has overvoltage, undervoltage, phase loss, phase sequence and unbalanced three-phase voltage protection. The composition of this product three-phase voltage protector, chronograph and counter are integrated in one relay. Practicality this 3-phase voltage relay does not require an external power supply has practical functions power delay, output test, etc. 2 rest modules are optional, manual and automatic. The lcd can display data for easy reading.

 

Over-Voltage Under-Voltage Relay SVR1000 Single Phase Over-Voltage Under-Voltage Protection RelayAD220-1 #ad

Over-Voltage Under-Voltage Relay, SVR1000 Single Phase Over-Voltage Under-Voltage Protection Relay(AD220-1)

Over-Voltage Under-Voltage Relay, SVR1000 Single Phase Over-Voltage Under-Voltage Protection Relay(AD220-1) #ad - ✔1 co & 1nc contacts, over-voltage and under-voltage protection. ✔3 reset modes manual, automatic, automatic with power-on delay fault recording function output test function. ✔no additional auxiliary power supply is required over-voltage value and action time can be adjusted. ✔Standard modular structure, guide rail type installation ac/dc voltage universal, automatic identification of ac/dc voltage, no need to switch. ✔Built-in lcd chinese display voltage value, fault status, setting parameters real-time monitoring of single phase over-voltage and under-voltage fault.

 

Voltage Protection Relay Adjustable Automatic Reconnect Over&Under Voltage Protector Automatic Recovery Voltage Protection Relay Digital Display AC 230V 50Hz 50A63Aoptional63A #ad

Voltage Protection Relay Adjustable Automatic Reconnect Over&Under Voltage Protector Automatic Recovery Voltage Protection Relay Digital Display AC 230V 50Hz 50A/63A(optional)(63A)

Voltage Protection Relay Adjustable Automatic Reconnect Over&Under Voltage Protector Automatic Recovery Voltage Protection Relay Digital Display AC 230V 50Hz 50A/63A(optional)(63A) #ad - ☛Digital display reconnect over-voltage protection device, mainly used for photovoltaic grid, household and similar use of low-voltage distribution lines. ☛Working voltageac 230v 50hzovervoltage actionac 275v±5vundervoltage actionac 170v±5v. ☛Equipped with digital display, reading data is clearthe response speed of the product is fast, and the recovery time is only 60 seconds in theory. ☛Effective protection of the user load the safe operation of electrical appliances. ☛stable and reliable performance and can effectively protect the safety of your household electricity consumption.

 

Love 14 DIN TempProc Controller 4B-53-LV Current Output 1 and Relay Output 2 Low Voltage #ad

Love 1/4 DIN Temp/Proc Controller, 4B-53-LV, Current Output 1 and Relay Output 2, Low Voltage

Love 1/4 DIN Temp/Proc Controller, 4B-53-LV, Current Output 1 and Relay Output 2, Low Voltage #ad - Communication rs-485 modbus a-5-11/rtu communication protocol. Operating temperature 32 to 122°f (0 to 50°c). Supply voltage 100 to 240 vac, 50/60 hz or 24 vdc (depending on model) power consumption 5 va max. Inputs thermocouple, rtd, dc voltages or dc current. Control output ratings relay spst, 5 a @ 250 vac resistive voltage pulse 14 v, 10% to -20% (max 40 ma) current 4 to 20 ma linear voltage 0-10 v.

 

GRV8-02 Single-phase Voltage Control Monitoring Relay Over And Under Voltage Voltage Protection Relay GRV8-02AD240 #ad

GRV8-02 Single-phase Voltage Control Monitoring Relay Over And Under Voltage Voltage Protection Relay (GRV8-02/AD240)

GRV8-02 Single-phase Voltage Control Monitoring Relay Over And Under Voltage Voltage Protection Relay (GRV8-02/AD240) #ad - The operating mode can be selected via the rotaries knob. The working status of the relay is indicated by the led indicator, which is simple and convenient. Monitor the working voltage (true rms measurement). High accuracy, voltage measurement accuracy is ≦ 1%. Compact size, only 18mm width, 35mm rail mounting.

 

NOYITO Voltage Relay Module Upper Lower Limit Detection Control Switch Off ON Over Voltage Protection Battery Charge Discharge Timing 24V #ad

NOYITO Voltage Relay Module Upper Lower Limit Detection Control Switch Off ON Over Voltage Protection Battery Charge Discharge Timing (24V)

NOYITO Voltage Relay Module Upper Lower Limit Detection Control Switch Off ON Over Voltage Protection Battery Charge Discharge Timing (24V) #ad - Operating current standby average 16ma/12v, relay pull-in 45ma/12v, digital tube off standby current 6ma/12v. Relay parameters a set of conversion (normally open normally closed point), contact load 10a/277vac 10a/30 dc (note: the maximum dc load 30v 10a) (maximum load current is 1a at 50v dc voltage). User manual and wiring diagram download https//wwwamazoncom/clouddrive/share/nnv0kfdoz3h0g6qrno9gktkofhwh74bguzrxmyo0njm. Operating power dc 10-16v (12v version) dc18-28v (dc24v version) (note that 24v pulse charger may have a pulse voltage exceeding 30v and cannot be used as a relay board operating power supply). Voltage detection display range 0, 999v voltage detection error ±01v.

 

Over-Voltage Under-Voltage RelaySVR1000 Single Phase Over-Voltage Under-Voltage Protection RelayAD220 #ad

Over-Voltage Under-Voltage Relay,SVR1000 Single Phase Over-Voltage Under-Voltage Protection Relay(AD220)

Over-Voltage Under-Voltage Relay,SVR1000 Single Phase Over-Voltage Under-Voltage Protection Relay(AD220) #ad - Built-in lcd chinese display voltage value, fault status, setting parameters3 reset modes manual, automatic, automatic with power-on delay. Real-time monitoring of single phase over-voltage and under-voltage fault. Standard modular structure, guide rail type installationover-voltage value and action time can be adjusted. Ac/dc voltage universal, automatic identification of ac/dc voltage, no need to switch,fault recording function. No additional auxiliary power supply is required1 co & 1nc contacts, over-voltage and under-voltage protection.

 

Electronics-Salon 8 Channel 10Amp SPDT Power Relay Module Board Operating Voltage DC 24V #ad

Electronics-Salon 8 Channel 10Amp SPDT Power Relay Module Board (Operating Voltage: DC 24V)

Electronics-Salon 8 Channel 10Amp SPDT Power Relay Module Board (Operating Voltage: DC 24V) #ad - Js1-24v-f series power relays led indicator for each relay channel darlington transistors circuit driving relay, improve the reliability of action. 8 channel 10amp spdt power relay module board, operationg voltage dc 24v. Fr-4 fiber glass dual layers pcb. This item has been assembled, and electrical test passed. Datasheet https//images-nassl-images-amazoncom/images/i/91ahtk3pt3lpdf.

 

440VAC 3 Phase Power Supply Monitor Relay,Over Under Voltage Failure Phase Sequence Protector,Circuit Protection Relay,Voltage Imbalance Protection #ad

440VAC 3 Phase Power Supply Monitor Relay,Over & Under Voltage Failure Phase Sequence Protector,Circuit Protection Relay,Voltage Imbalance Protection

440VAC 3 Phase Power Supply Monitor Relay,Over & Under Voltage Failure Phase Sequence Protector,Circuit Protection Relay,Voltage Imbalance Protection #ad - Undervoltage protection it means that the voltage of the protected line is lower than the set value, the delay is 3~8s, and the recovery is 3~20vac. It is an indispensable protection product for the normal working voltage of the maintenance equipment in the operation of industrial equipment. Installation method the base of the protector adopts the rail type, and there are two m4 screw holes in the structure, which can be directly installed separately or installed on the ht35 rail. Widely used in air compressors, electric motors, distribution boxes, water pumps, oil pumps, central air conditioning units, electric control boxes, power distribution cabinets, cranes, etc. Overvoltage protection it 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.

 

TurboChef 101272 Voltage Relay for Compatible TurboChef Ovens #ad

TurboChef 101272 Voltage Relay for Compatible TurboChef Ovens

TurboChef 101272 Voltage Relay for Compatible TurboChef Ovens #ad - The voltage relay fits turbochef models encore, encore 2, g5, ngc, ngc-2019, ngc2, ngo/sota, i1-sota, i3, and i5. This replacement part is approved by the original equipment manufacturer (oem). The turbochef 101272 voltage relay is a replacement part that is suitable for use with compatible turbochef ovens.

 

Power Supply Monitor Relay Over Under Voltage Failure Phase Sequence Protector 3 Phase Power Supply Monitor Relay 415VAC for Pumps Crane Elevator #ad

Power Supply Monitor Relay, Over & Under Voltage Failure Phase Sequence Protector 3 Phase Power Supply Monitor Relay 415VAC for Pumps Crane Elevator

Power Supply Monitor Relay, Over & Under Voltage Failure Phase Sequence Protector 3 Phase Power Supply Monitor Relay 415VAC for Pumps Crane Elevator #ad - ✔Overvoltage protection it 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 undervoltage protection it means that the voltage of the protected line is lower than the set value, the delay is 3~8s, and the recovery is 3~20vac. ✔It is an indispensable protection product for the normal working voltage of the maintenance equipment in the operation of industrial equipment installation method the base of the protector adopts the rail type, and there are two m4 screw holes in the structure, which can be directly installed separately or installed on the ht35 rail. ✔Widely used in air compressors, electric motors, distribution boxes, water pumps, oil pumps, central air conditioning units, electric control boxes, power distribution cabinets, cranes, etc such as central air conditioning compressor protection, power monitoring of various elevators, phase loss of pumps and oil pumps, reverse phase protection, etc. ✔indicator light indicated by 5 indicators normal, lack of phase (voltage three-phase unbalance), reverse phase, overvoltage, undervoltage phase loss protection when the protected line is in the running state or non-operating state, any phase failure occurs, and the delay is 2s. ✔Reverse phase protection a protection measure to prevent l1, l2, l3 three-phase ac phase sequence from being connected incorrectly, delay 2s action voltage unbalance protection it refers to a protection measure that the three-phase voltage imbalance will affect the safe operation of the line when the three-phase unbalance rate x100%>10%, the protection delay 2s action.

 

380VAC 3 Phase Power Supply Monitor Relay,Over Under Voltage Failure Phase Sequence Protector,Circuit Protection Relay Voltage Imbalance Protection #ad

380VAC 3 Phase Power Supply Monitor Relay,Over & Under Voltage Failure Phase Sequence Protector,Circuit Protection Relay Voltage Imbalance Protection

380VAC 3 Phase Power Supply Monitor Relay,Over & Under Voltage Failure Phase Sequence Protector,Circuit Protection Relay Voltage Imbalance Protection #ad - Voltage unbalance protection it refers to a protection measure that the three-phase voltage imbalance will affect the safe operation of the line when the three-phase unbalance rate x100%>10%, the protection delay 2s action. Phase loss protection when the protected line is in the running state or non-operating state, any phase failure occurs, and the delay is 2s. Overvoltage protection it 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. Widely used in air compressors, electric motors, distribution boxes, water pumps, oil pumps, central air conditioning units, electric control boxes, power distribution cabinets, cranes, etc. Reverse phase protection a protection measure to prevent l1, l2, l3 three-phase ac phase sequence from being connected incorrectly, delay 2s action.

 

Dwyer Love Series 4B 14 DIN Temperature and Process Controller Voltage Pulse Output and Relay Output #ad

Dwyer Love Series 4B 1/4 DIN Temperature and Process Controller, Voltage Pulse Output and Relay Output

Dwyer Love Series 4B 1/4 DIN Temperature and Process Controller, Voltage Pulse Output and Relay Output #ad - The series 4b 1/4 din temperature/process controller is designed to accept thermocouple, rtd, current or voltage input and provide dual outputs for control. The units can be programmed for on/off, pid, auto-tuning, or manual tuning control methods. The second relay output can be reconfigured as a third alarm output. The controller features dual led displays for local indication of process and setpoint values. Available outputs include relay/relay, voltage pulse/relay, current/relay, or linear voltage/relay. The pid control is supported by 64 ramp/soak actions. The alarm type can be selected from 13 different preprogrammed alarm functions. The series 4b also includes two additional alarm outputs.

 

Voltage Monitoring Relay GRV8-04 M460 3-Phase Voltage Monitoring Relay Phase Sequence Phase Failure Protection 176V-552V Range for Equipment Protection #ad

Voltage Monitoring Relay, GRV8-04 M460 3-Phase Voltage Monitoring Relay Phase Sequence Phase Failure Protection 176V-552V Range for Equipment Protection

Voltage Monitoring Relay, GRV8-04 M460 3-Phase Voltage Monitoring Relay Phase Sequence Phase Failure Protection 176V-552V Range for Equipment Protection #ad - Relay working status is indicated by led indicators. With super small volume, this relay can be mounted on 35mm din rail. 8 kinds of adjustable rated voltage. Voltage measurement accuracy is not more than 1%. This relay can monitor own working voltage (true rms measurement).

 

Power Supply Monitor Relay 3 Phase Circuit Protection Voltage Monitoring Relay Phase Failure Sequence Protector for Motors Pumps #ad

Power Supply Monitor Relay, 3 Phase Circuit Protection Voltage Monitoring Relay Phase Failure Sequence Protector for Motors Pumps

Power Supply Monitor Relay, 3 Phase Circuit Protection Voltage Monitoring Relay Phase Failure Sequence Protector for Motors Pumps #ad - ✔phase loss protection 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. ✔Ideal for widely used in air compressors, electric motors, distribution boxes, water pumps, oil pumps, central air conditioning units, etc. ✔Features the protector base adopts 35mm rail type or device type, and has two screw hole structures inside, which can be directly installed separately or ht35 rail indicated by three indicators normal, phase loss(voltage three-phase unbalance), reverse phase. ✔Reverse phase protection reverse phase protection, a protection measure to prevent l1, l2, l3 three-phase ac phase sequence from being connected incorrectly, delay 2s action. ✔Voltage imbalance protection voltage imbalance protection, which refers to a protective measure that will affect the safe operation of the line due to three-phase voltage imbalance.

 

Phase Sequence Protector Over Under Voltage Phase Sequence LCD Display Protector 3 Phase Voltage Relay Motor for Elevator Industrial Control System #ad

Phase Sequence Protector, Over Under Voltage Phase Sequence LCD Display Protector 3 Phase Voltage Relay Motor for Elevator Industrial Control System

Phase Sequence Protector, Over Under Voltage Phase Sequence LCD Display Protector 3 Phase Voltage Relay Motor for Elevator Industrial Control System #ad - Adjustable overvoltage value, undervoltage value, voltage imbalance rate and action time. Real-time of three-phase overvoltage, undervoltage, phase error, phase loss, voltage imbalance faulty. Lcd display shows voltage value, fault status, parameter setting. Standard modular construction, rail mounted. Powered by the measuring circuit, no additional auxiliary power required.

 

Siemens 3TX7116-5FC13C Basic Plug In Relay Square Base Narrow Mechanical Flag 3PDT Contacts 15A Contact Rating 24VAC Coil Voltage #ad

Siemens 3TX7116-5FC13C Basic Plug In Relay, Square Base, Narrow, Mechanical Flag, 3PDT Contacts, 15A Contact Rating, 24VAC Coil Voltage

Siemens 3TX7116-5FC13C Basic Plug In Relay, Square Base, Narrow, Mechanical Flag, 3PDT Contacts, 15A Contact Rating, 24VAC Coil Voltage #ad - Typical minimum holding current for bifurcated contacts is 3ma instead of 100ma. Premium bifurcated style relays are ideal for low minimum holding current requirements on the contacts. Siemens offers a wide range of plug-in relays to meet your industrial needs. This feature is very handy during comissioning and troubleshooting. Premium style relays are full featured with led and mechanical flag indication, push to test button and typically a latching hold down door which provides a method of activating the contacts without applying power to the coil. Basic style relays are the most economical and are equipped with a mechanical flag indicator only.

 

Omron G3NA-225B DC5-24 Solid State Relay Zero Cross Function Yellow Indicator Phototriac Coupler Isolation 25 A Rated Load Current 24 to 240 VAC Rated Load Voltage 5 to 24 VDC Input Voltage #ad

Omron G3NA-225B DC5-24 Solid State Relay, Zero Cross Function, Yellow Indicator, Phototriac Coupler Isolation, 25 A Rated Load Current, 24 to 240 VAC Rated Load Voltage, 5 to 24 VDC Input Voltage

Omron G3NA-225B DC5-24 Solid State Relay, Zero Cross Function, Yellow Indicator, Phototriac Coupler Isolation, 25 A Rated Load Current, 24 to 240 VAC Rated Load Voltage, 5 to 24 VDC Input Voltage #ad - Screw terminals for connecting to contacts. Solid state relays for high-speed switching in low current applications. Ul listed for safety, csa certified for quality assurance, and rohs compliant for hazardous substances. Noise suppression activated when the load current rises suddenly. Yellow operation indicator alerts users to operating status.





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