Modular Step Relays Factory
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About Us

Who we are

YOSHINE is from China.
YOSHINE is a relay manufacturer.

Wenzhou Derrek Electric Co., Ltd. is a China Twilight Switch Factory and Modular Step Relays Manufacturer. 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.
Application of YOSHINE’s products is mainly in reset control (small hospitals, nursing homes, community houses), Lighting Control, Pump Control, Generator Control, etc. Considering the important role of our products, we keep developing new products and improving quality standards. YOSHINE not only involves all aspects of the industrial field but also intelligent control of offices and residences. We strive to provide clients with more efficient and intelligent products.
YOSHINE has gained a reputation for short lead time, flexible design, and excellent technical support.
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
  • CE-LVD CERTIFICATE YX190  YX192  YX805  YX810 CE-LVD CERTIFICATE YX190  YX192  YX805  YX810
    CE-LVD CERTIFICATE YX190 YX192 YX805 YX810
  • CE-EMC CERTIFICATE YX-222 CE-EMC CERTIFICATE YX-222
    CE-EMC CERTIFICATE YX-222
  • CE-LVD CERTIFICATE YX-222 CE-LVD CERTIFICATE YX-222
    CE-LVD CERTIFICATE YX-222
  • CE-ROHS CERTIFICATE YX-222 CE-ROHS CERTIFICATE YX-222
    CE-ROHS CERTIFICATE YX-222
  • Software Certificate Software Certificate
    Software Certificate
  • Over-current and under-current relay Over-current and under-current relay
    Over-current and under-current relay
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Industry Knowledge Extension

In today’s world, where automation and precision control play vital roles in a wide array of industries, understanding key electrical components is essential. Among these components, the Twilight Switch, Modular Step Relays, and DC Undervoltage Relay hold significant importance, contributing to efficiency, safety, and convenience in various applications.

The Specific Role of Twilight Switch

A Twilight Switch, also known as a light-sensitive switch or dusk-to-dawn switch, is a device that automatically controls lighting based on ambient light levels. It is primarily used to switch on or off outdoor lighting systems, streetlights, and other lighting fixtures in environments where lighting control is crucial for safety or energy efficiency.

The fundamental role of the Twilight Switch is to detect the surrounding light conditions, adjusting lighting accordingly. It uses a photosensitive sensor to monitor the light intensity in the environment. When the natural light decreases below a certain threshold, typically at dusk, the switch activates the connected lights, ensuring that they turn on automatically as the sun sets. Conversely, as daylight returns in the morning, the switch senses the increase in natural light and deactivates the lights.

This automatic operation not only improves convenience but also helps conserve energy. For example, streetlights in urban areas can be controlled by a Twilight Switch, ensuring they only operate when necessary, reducing energy consumption during the day. In residential settings, these switches can be used for outdoor lighting, like garden lamps or porch lights, saving homeowners the trouble of manually turning lights on and off every evening.

Overall, the Twilight Switch simplifies the management of outdoor lighting, enhances energy efficiency, and supports safety by ensuring lights are automatically illuminated during periods of darkness.

The Use of Modular Step Relays in Life

Modular Step Relays are versatile components widely used in modern electrical systems for their ability to provide precise control over multiple circuits. These relays are particularly effective in systems that require a step-by-step progression of operations, such as in lighting control, automation systems, and industrial machinery.

In everyday life, Modular Step Relays find applications in automated lighting systems, where they can control multiple lights in sequence or adjust the intensity of lights according to predefined stages. For instance, in smart home systems, these relays can gradually increase or decrease the lighting levels in a room, creating the desired ambiance or optimizing energy use based on the time of day or activity level.

Moreover, in industrial applications, Modular Step Relays are crucial for sequential control in machinery. In manufacturing processes, these relays can be programmed to control various machines in a synchronized manner, ensuring smooth operations and avoiding system overloads. For example, in production lines, the relays can manage conveyor belts, robotic arms, or other automated systems in a way that ensures each step is carried out in a logical order.

The Characteristics of DC Undervoltage Relay

The DC Undervoltage Relay is a protective device commonly used in systems where stable DC voltage is crucial for operation, such as in battery-powered systems, solar power systems, or industrial control systems. Its primary function is to monitor the DC voltage level and trigger a protective response when the voltage falls below a certain predefined threshold, preventing damage to sensitive equipment and ensuring the proper functioning of the system.

One of the main characteristics of a DC Undervoltage Relay is its ability to detect voltage drops that could compromise system performance. When the voltage dips below the set level, the relay activates, typically cutting off power or signaling an alarm to alert operators. This is particularly important in systems that rely on DC power for stability, such as electric vehicles, backup power systems, and telecommunication equipment.

Additionally, DC Undervoltage Relays are known for their fast response time and reliability. They are designed to react quickly to voltage drops, the risk of damage to sensitive components and prevent system failures. This makes them an essential component in ensuring the longevity and safe operation of DC-powered systems.

These relays are also compact and energy-efficient, offering a cost-effective solution for voltage protection in small-scale and large-scale applications. Their use in various DC-powered systems highlights their importance in safeguarding equipment and enhancing the overall reliability of electrical systems.