Taihua Phase Failure Sequence Over Under Voltage Reversal Relay AS11(XJ11)

The XJ11 Phase Failure Sequence Over Under Voltage Reversal Relay is an indispensable device for ensuring the safe and reliable operation of three-phase AC circuits and irreversible transmission devices. The device provides reliable protection against overvoltage, undervoltage, and phase failure, thereby significantly reducing the risk of accidents and downtime due to electrical faults.One of the key features of the XJ11 is its built-in microprocessor-based technology, ensuring accurate and precise monitoring and protection of AC circuits. With its comprehensive protection functions, including voltage and frequency monitoring, phase imbalance detection, and phase sequence protection, the XJ11 is the perfect solution for a wide range of industrial and commercial applications.The XJ11 features a user-friendly interface, allowing operators to easily configure and customize protection settings according to their specific needs. The device is also equipped with a communication interface for remote monitoring and control, making it easy to monitor and protect multiple circuits from a central location.The XJ11 is designed for easy installation and maintenance, with a compact and durable enclosure that can withstand harsh environments. The device is also compatible with a wide range of AC circuits and transmission devices, making it a versatile solution for any application.In summary, the XJ11 Phase Failure Sequence Over Under Voltage Reversal Relay is a reliable and efficient device that offers comprehensive protection for three-phase AC circuits and irreversible transmission devices. Its microprocessor-based technology, user-friendly interface, and wide range of protection functions make it an ideal choice for any industrial or commercial application that requires reliable and safe operation. With its convenient installation and maintenance features, the XJ11 is a must-have product for any electrical system.
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Products Details

Main technical parameter

Application

Model AS-11(XJ11)
Working power 3-phase 380VAC
Protection function Over/under voltage,phasefailure,phase protection
Over voltage protection range AS-11(XJ11)：AC380V～AC460V(adjustable)； AS-11X(XJ11X)：AC360V～AC440V(adjustable)
Under voltage protection range AS-11(XJ11)：AC300V～AC380V(adjustable)； AS-11X(XJ11X)：AC260V～AC340V(adjustable)
Overpressure recovery time

1s～10s(adjustable)
Undervoltage recovery time

0.5s～5s(adjustable)
Number of contacts Change over contact 1Z
Contact capacity AC-12  Ue/Ie：AC220V/3A  Ith：3A
Mechanical life 1×106 time
Electrical life 1×105 time
Installation Device type/din railtype

Features

●Standard outline dimension （46×78mm）, with socket type, din-rail type installation.
●Conform to GB/T14048.5 and many other national or industry standards.
● Adopt integrated circuits, with high accuracy, reliable performance, wide range of applications, easy to use, etc.
● Use voltage sampling method, with overvoltage protection, undervoltage protection, phase-failure protection, and phase sequence protection.  

Wiring diagram

Outline and installation dimensions

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