About Phase Reversal Failure Relay
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 MotorsThis 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 InstallationWith 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 EnvironmentsThe 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.