OEM/ODM YOSHINE 220-459Vac Three-Phase Three-Wire Voltage Protection Relay
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YOSHINE 220-459Vac Three-Phase Three-Wire Voltage Protection Relay

The YOSHINE 220-459Vac Three-Phase Three-Wire Voltage Protection Relay (Model: YX741TAA01) is a high-reliability device designed to safeguard three-phase electrical systems. Featuring SPDT output characteristics, it provides precise monitoring of voltage irregularities to ensure safe and stable operation of industrial equipment. By continuously tracking three-phase voltage, the relay quickly responds to over-voltage or under-voltage conditions, offering essential protection for industrial production and power facilities.

This relay delivers sensitive over-voltage and under-voltage detection, helping minimize the risk of damage caused by voltage fluctuations. The YOSHINE YX741TAA01 is engineered for reliability and long service life, maintaining accurate monitoring and consistent operation even in environments with frequent power variations. Its user-friendly design allows for easy installation and integration across a variety of industrial applications, including machine tool control systems, distribution panels, power monitoring, and automation equipment.

Additionally, the YX741TAA01 incorporates rapid recovery functionality, enabling systems to resume normal operation as soon as voltage levels stabilize. Its compact size and standardized interfaces facilitate seamless integration into different devices, improving installation efficiency. Whether in factory workshops, commercial buildings, or large-scale electrical systems, the YOSHINE Three-Phase Three-Wire Voltage Protection Relay provides reliable and stable protection, supporting the safe and efficient operation of power systems.

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Parameter Functional Description Working Principle Diagram
■ Technical Data

YX741TAA01

■ 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 3S
■ Phase Sequence ■ Phase Failure
PTC Protection
- ■ Asymmetrical Voltage 5~40%
■ 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
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About Us

Who we are

YOSHINE is from China.
YOSHINE is a relay manufacturer.

Wenzhou Derrek Electric Co., Ltd. is an OEM/ODM YOSHINE 220-459Vac Three-Phase Three-Wire Voltage Protection Relay Supplier and Wholesale YOSHINE 220-459Vac Three-Phase Three-Wire Voltage 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
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