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Phase Failure Relay

Our main goal is to provide superior customer service by offering high-quality Phase Failure Relays. These relays, which are available in plastic sealed and flux proofed varieties, are appropriate for absorbing voltage fluctuations in the event of a phase failure relay. A group of seasoned professionals created our Phase Failure Relay while adhering to the standards and regulations established by the sector. Some of the key characteristics of our relays are high dielectric strength and an extended operational life.

415 V Phase Failure Relay

Price: 250 INR /Piece

  • Ambient Temperature -10C to +55C
  • Coil Power <2 VA
  • Coil Voltage 415 V AC
  • Color White & Blue
  • Contact Form 1 C/O (SPDT)
  • Contact Load Other, 5A at 250V AC
  • Contact Material Silver Alloy
  • Contact Resistance <100 m
  • Delivery Time 3 Week
  • Dielectiric Strength 2000 VAC for 1 min
  • Dimension (L*W*H) 85 x 22.5 x 70 mm
  • Insulation Resistance >20 M (at 500 VDC)
  • Mechanical Life >10 Million Operations
  • Minimum Order Quantity 1
  • Operate Time <200 ms
  • Power Consumption <2 VA
  • Price 250 INR
  • Product Type Phase Failure Relay
  • Protect Feature Other, Phase Failure, Phase Sequence, Under/Over Voltage
  • Rated Voltage 415 V AC
  • Size Other, Standard (Refer Dimension)
  • Supply Ability 1000 Per Month
  • Supply Terminal 3-phase, 4-wire
  • Terminal Type Other, Screw Terminal
  • Theory Other , Electromagnetic Relay
  • Unit of Measure Piece/Pieces
  • Unit of Price Piece/Pieces
  • Usage Phase Monitoring, Industrial Equipment Protection
  • Weight Approx. 110 g
  • Working Temperature -10C to +50C

We are successfully engaged in providing a wide ambit of 415 V Phase Failure Relay. It is suitable for monitoring incoming 3- phase supply. This relay is simple to install and maintain. Moreover, provided relay is useful to give protection against any damage or defect which is caused by phase loss. 415 V Phase Failure Relay is available in various models and sizes at affordable prices. It is generally procured form the sourced market vendors. 



Fast and Reliable Phase Protection

This relay quickly detects phase failures and abnormal sequences, operating within 200 ms. Its automatic reset and advanced electronic design safeguard industrial equipment from voltage anomalies, ensuring continuous operational stability.


Durable and Safe Construction

Encased in flame-retardant ABS material and designed for DIN Rail mounting, the relay meets IEC 60255 standards. It withstands rough environments with high humidity, broad temperature tolerance, and superior insulation, enhancing long-term durability.

FAQ's of 415 V Phase Failure Relay:


Q: How does the Phase Failure Relay protect industrial equipment?

A: The relay continuously monitors voltage, phase sequence, and phase failure conditions in three-phase electrical systems. Upon sensing any abnormality such as phase loss or incorrect phase sequence, it activates the relay output to disconnect or alert equipment, helping prevent damage and downtime.

Q: What is the installation process for this relay?

A: This relay can be easily mounted on a DIN rail and uses screw terminals for secure wiring. It is installed into a 3-phase, 4-wire system, and oriented in any position, simplifying setup in various industrial environments.

Q: When should the Phase Failure Relay be used?

A: It is recommended wherever critical protection against phase failure, sequence errors, and voltage anomalies is needed-particularly in settings with heavy machinery, industrial motors, or sensitive electronic systems.

Q: Where can this relay be deployed?

A: The compact relay is suitable for industrial sites, manufacturing plants, commercial power panels, or any location requiring phase monitoring and equipment protection. Its durable enclosure and broad operating conditions make it adaptable to different environments.

Q: What standards does the relay comply with?

A: This relay is designed according to IEC 60255 standards, ensuring reliable operation, safety, and performance in professional and export-grade industrial applications.

Q: How does the automatic reset function benefit users?

A: The automatic reset restores the relay to its original state after the fault condition clears, minimizing manual intervention and supporting uninterrupted operations.

Q: What are the main usage and benefits of this relay?

A: It is primarily used for phase monitoring and equipment protection, resulting in reduced maintenance costs and increased operational safety. Rapid response and reliable performance safeguard critical systems from electrical faults.

Phase Failure Relay

Price: 250 INR /Piece

  • Coil Power <2VA
  • Coil Voltage 415V AC (Same as Rated Voltage)
  • Color White and Black
  • Contact Form 1 C/O (SPDT)
  • Contact Load Other, 5A at 250V AC
  • Contact Material Silver Alloy
  • Contact Resistance 100m
  • Delivery Time 3 Week
  • Dielectiric Strength 2kV for 1 min between coil and contact
  • Dimension (L*W*H) 85mm x 35mm x 67mm
  • Insulation Resistance >=100M at 500V DC
  • Mechanical Life 10,000,000 Operations
  • Minimum Order Quantity 1
  • Operate Time 200 ms
  • Power Consumption <2VA
  • Price 250 INR
  • Product Type Phase Failure Relay
  • Protect Feature Other, Phase Failure, Phase Sequence, Phase Unbalance
  • Rated Voltage 415V AC
  • Size Other, Standard DIN Rail Mount Size
  • Supply Ability 1000 Per Month
  • Supply Terminal L1, L2, L3 and N
  • Theory Other , Electromagnetic Relay
  • Unit of Measure Piece/Pieces
  • Unit of Price Piece/Pieces
  • Weight Approx. 120g

It is our main motto to serve the customers with maximum satisfaction through supplying high quality Phase Failure Relay. Available in Plastic sealed and flux proofed types, these relays are suitable for bearing the voltage fluctuations in case of a power phase failure. Our Phase Failure Relay is made by a team of veteran professionals, following the norms and guidelines laid down by the industry. High dielectric strength and advance operational life are some of the salient attributes of our relays.

Features:

  • Manual switch function & Easy operation
  • Sturdy design with Competitive Price
  • Fastest Delivery Quality Product
  • Capacitor load up to 200uF
  • Creepage distance:8mm
  • Dielectric strength more than 4000VAC
  • Environmental friendly product  (RoHS compliant)

Popularly called as Single phasing preventer, the Phase Failure Relay operates instantaneously and safeguard the motor under any of the following states:

  • When any one of lines to the motor is disconnected.
  • When the connections of motor are reversed in phase.
  • Unbalanced voltage supply.

Tests:

  • Before dispatch, the relays are thoroughly tested to ensure their reliable operation in the application. All the relays are routine tested at 2Kv for 1 minute.

Specifications:

  • System : 415 V, 50Hz, 3Ph 
  • Voltage Variation : +10% and -20% of system Voltage
  • Auxiliary : 1 set of 1 N/o & 1 N/c
  • Relay contacts : Change over contacts 
  • Rating of relay contacts : AC - 220 VA (Inductive) or 400 VA (Resistive) or at 415 volts Max 5 amps.


Rapid and Reliable Phase Protection

Experience immediate safeguarding of your three-phase equipment, as this relay detects phase failure, incorrect sequence, and unbalanced conditions within 200 milliseconds. Built for industrial reliability, its robust electromagnetic design ensures continuous protection to prevent costly downtime or equipment damage.


User-Friendly Installation and Maintenance

Install effortlessly with the standard DIN rail mount and clear supply terminals (L1, L2, L3, N). The white-and-black enclosure not only looks modern but also aids in easy identification during maintenance. Low power consumption and durable contacts (1 C/O, silver alloy) make it a practical choice for long-term use.

FAQs of Phase Failure Relay:


Q: How does this phase failure relay enhance equipment safety?

A: The relay continuously monitors the power supply for phase failure, incorrect phase sequence, and unbalanced voltage. If it detects any abnormality, it disconnects your equipment within 200ms, minimizing potential damage and ensuring operational safety.

Q: What is the process for installing the relay in my system?

A: Simply connect the supply terminals to L1, L2, L3, and N, then mount the device onto a standard DIN rail. Its compact design and clear labeling facilitate quick and correct installation without the need for elaborate tools.

Q: When should I use a phase failure relay like this model?

A: This relay is essential for any three-phase system where motor protection, control panels, or sensitive equipment could be compromised by phase loss, sequence errors, or voltage unbalance. It is particularly valuable in industrial facilities and manufacturing plants.

Q: Where can this relay be installed for optimal performance?

A: Install the relay in control panels or distribution boards on a standard DIN rail, ensuring its close to the equipment or circuit requiring protection for the best response and ease of maintenance.

Q: What benefits does the relays high mechanical life offer?

A: With a mechanical life of up to 10,000,000 operations, the relay provides lasting performance, reducing the frequency of replacement and maintenance while keeping your system reliably protected over years of service.

Q: How can I verify the relays operational status?

A: Check for status indicators on the relay body or observe the connected equipments operation. For technical assurance, you may also check insulation and dielectric strength periodically, as specified in its technical parameters.

Phase Reversal Failure Relay

Price: 250 INR /Piece

  • Ambient Temperature -10C to +55C
  • Coil Power Approx. 2W
  • Coil Voltage 415V AC
  • Color Black
  • Contact Form SPDT
  • Contact Load Other, 5A at 230V AC
  • Contact Material AgCdO
  • Contact Resistance <50 m
  • Delivery Time 3 Week
  • Dielectiric Strength 2kV AC for 1 min
  • Dimension (L*W*H) 90 mm x 22.5 mm x 65 mm
  • Insulation Resistance 100 M min (at 500V DC)
  • Mechanical Life >1,000,000 operations
  • Minimum Order Quantity 1
  • Operate Time Less than 300 ms
  • Power Consumption Less than 3VA
  • Price 250 INR
  • Product Type Phase Reversal Failure Relay
  • Protect Feature Other, Phase reversal and failure protection
  • Rated Voltage 415V AC
  • Size Other, Standard
  • Supply Ability 1000 Per Month
  • Supply Terminal L1, L2, L3
  • Terminal Type Other, Screw Type
  • Theory Other , Electromagnetic Relay
  • Unit of Measure , , Piece/Pieces
  • Unit of Price Piece/Pieces
  • Usage Protection of three-phase electrical motors and equipment from phase reversal and failure
  • Weight Approx. 150 g
  • Working Temperature -10C to +50C

 We are indulged in providing a distinct stock of Phase Reversal Failure Relay in the market. It is suitable for monitoring incoming 3-phase supply from Mains. It finds the application for monitoring electricity distribution line. Phase Reversal Failure Relay measure the sequence of the phases when being switched on. It is also suitable to give protection to the motor from overheating. It increases the motor life by preventing the motor from rotating in the wrong direction.

   

Technical details

System

415 V, 3Ph, 50Hz.

Voltage Variation

+10% and -20% of system Voltage

Auxiliary supply

1 set of 1N/o and 1N/c

Relay contacts

Change over contacts.

Rating of relay contacts

AC - 400 VA (Resistive) or 220 VA (Inductive) with Max 5 amps at 415 volts.





Reliable Phase Protection for Industrial Motors

This relay ensures continuous operation and damage prevention by detecting phase reversal or failure in three-phase systems. Its quick reaction and automatic reset help maximize equipment lifespan and minimize downtime.


User-Friendly Design and Installation

With standard DIN rail mounting, screw terminals, and a visible LED indicator, the relay offers simple installation and operation. Its robust construction and compliance with IS/IEC standards guarantee long-term reliability in varied industrial settings.


Built for Versatile Environments

The device functions efficiently within a wide range of storage and operating temperatures and is resistant to high humidity. Its ABS plastic enclosure and standard size facilitate easy integration in diverse control panels.

FAQs of Phase Reversal Failure Relay:


Q: How does the Phase Reversal Failure Relay protect three-phase motors?

A: The relay continuously monitors the supply phases (L1, L2, L3). If a phase reversal or failure occurs, it immediately activates its output contact to disconnect or signal the protection system, preventing motor damage.

Q: What is the correct installation process for this relay?

A: Mount the relay on a DIN rail inside the control panel and connect the supply terminals (L1, L2, L3) using the screw-type terminals. Ensure proper wiring as per the product manual before applying power.

Q: When will the relay automatically reset itself?

A: The automatic reset occurs after the correct phase sequence and supply is restored. The relay recognizes the normal condition and resets itself without requiring manual intervention.

Q: Where can this relay be used effectively?

A: It is ideal for industrial or commercial applications where three-phase motors and sensitive equipment require reliable protection against phase reversal and failure, such as pump stations, HVAC systems, and manufacturing plants.

Q: What benefits does the LED status indicator provide?

A: The LED indicator visibly displays the relays operational status, allowing technicians to quickly check if the relay is powered and whether a fault condition is present, thus aiding in efficient troubleshooting.

Q: How does compliance with IS/IEC Standards benefit users?

A: Adhering to IS/IEC standards ensures the relay meets quality, safety, and performance benchmarks, providing reliable and consistent protection in electrical installations as expected in global and Indian markets.

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