OEM/ODM YOSHINE Three-Phase Three-Wire Protection Relay

YOSHINE Three-Phase Three-Wire Protection Relay

The YX741TRA01 SPDT Three-Phase Three-Wire Protection Relay is designed to offer precise voltage supervision for three-phase electrical networks. This relay actively monitors voltage levels and responds promptly when abnormal conditions are detected, providing effective protection against both undervoltage and overvoltage situations. Its SPDT output ensures flexible connectivity with control circuits, allowing seamless integration into a variety of electrical systems.

Built with reliability in mind, the relay features adjustable protection and recovery delays, allowing it to distinguish between brief voltage fluctuations and persistent deviations. This intelligent timing control helps prevent unnecessary system interruptions while safeguarding critical equipment. The device supports a broad range of working voltages, making it adaptable to multiple applications, from industrial machinery to commercial electrical setups, where voltage stability is essential.

The relay’s design emphasizes ease of installation and operation. Clear configuration options and robust construction make it a practical choice for engineers and technicians seeking dependable voltage protection. Once installed, the YX741TRA01 relay continuously monitors the network, triggering timely responses to maintain system integrity and minimize the risk of equipment damage.

By incorporating this relay into an electrical network, users gain peace of mind knowing that their three-phase systems are protected by a device engineered for both accuracy and durability. Its thoughtful combination of advanced monitoring and responsive control ensures that equipment remains safe while maintaining operational efficiency. For anyone looking to strengthen the reliability of their electrical systems, the YX741TRA01 SPDT Three-Phase Three-Wire Protection Relay offers a trusted solution.

Download PDF
Contact Us
Parameter Functional Description Working Principle Diagram
■ Technical Data

YX741TRA01

■ Monitoring Type 3P3W
■ Output Characteristics SPDT ■ Working Voltage 220-459VAC
■ Frequency 50/60Hz ■ Over Voltage ≤30
■ Under Voltage ≤30 ■ Protection Delay 3S
■ Hysteresis Voltage - ■ Recovery Delay 0.1-10S
■ Phase Sequence ■ Phase Failure
PTC Protection
- ■ Asymmetrical Voltage 15%
■ Response Time of Relay 0.1S ■ Contact Rating 8A 250VAC
■ Ambient Temperature -10°C~+55°C ■ Setting Tolerance ±10% MAX
■ Repeatability ±2% MAX ■ Temperature Error ±2% MAX
Contact Us

Get in Touch

  • SEND
About Us

Who we are

YOSHINE is from China.
YOSHINE is a relay manufacturer.

Wenzhou Derrek Electric Co., Ltd. is an OEM/ODM YOSHINE Three-Phase Three-Wire Protection Relay Supplier and Wholesale YOSHINE Three-Phase Three-Wire Protection Relay Company. YOSHINE's products can be divided into two categories:
  1. Products that manage electronic control processes (Step Relay, Time Relay, Switching Power Supply, Floatless Level Switch, etc.).
  2. Products that protect equipment (e.g. motors) from voltage and current failures (Voltage Protection Relay, Current Monitoring Relay). OEM service is offered according to the client's requirements.
YOSHINE has made its contribution to the development of our society and the global intelligence industry with the mission of “Made for Connection”.

YOSHINE

  • Current employees
    0+

    The company currently has more than 50 employees, including 7 professional technicians and 2 engineers.

  • Factory area
    0

    We have our own manufacturing plant which covers an area of ​​12000 square meters.

  • Monthly production capacity
    0+

    Our monthly production capacity is over 100,000 pcs, which can meet the needs of different clients.

Honor

Our Certificate

  • 2022 CE Certificate 2022 CE Certificate
    2022 CE Certificate
  • YX7 (30826-30827) M.2021.206.C64486_00 YX7 (30826-30827) M.2021.206.C64486_00
    YX7 (30826-30827) M.2021.206.C64486_00
  • CB Certificate CB Certificate
    CB Certificate
  • CE-EMC CERTIFICATE YX189 CE-EMC CERTIFICATE YX189
    CE-EMC CERTIFICATE YX189
  • CE-EMC CERTIFICATE YX190  YX192  YX805  YX810 CE-EMC CERTIFICATE YX190  YX192  YX805  YX810
    CE-EMC CERTIFICATE YX190 YX192 YX805 YX810
  • CE-LVD CERTIFICATE YX189 CE-LVD CERTIFICATE YX189
    CE-LVD CERTIFICATE YX189
NEWS & UPDATES

Latest News