Custom Time Relay

Home / Product / Time Relay

Time Relay

A time relay is an automatic control unit, which can be combined with various other electrical equipment to realize automatic control of the running circuit, When a present time is over, the contact output will be closed or opened so that the terminal electrical equipment can run or stop automatically.
This series of relays have the advantages of wide operating voltage range, clear working instructions, small volume, uniform size, easy installiation, ect.

Application:

  1. Industrial machinery
  2. Illumination
  3. Manufacturing
  4. HVAC system
  5. Food and Agriculture
About Us

Who we are

YOSHINE is from China.
YOSHINE is a relay manufacturer.

Wenzhou Derrek Electric Co., Ltd. is a China Time Relay Manufacturer and sales Time Relay. 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
NEWS & UPDATES

Latest News

Industry Knowledge Extension

Comprehensive Guide to Time Relays for Industrial Automation and Commercial Applications

A time relay is an electromechanical or electronic device that controls the timing of electrical circuits. It allows industrial machinery, commercial lighting, or HVAC systems to operate automatically according to preset delays or schedules. Unlike ordinary switches, time relays can perform delayed on/off, intermittent operations, and cyclic control, making them essential in modern automation systems.

Key Functions:

  • Delayed activation or deactivation of devices
  • Precise control of sequential operations
  • Protection of machinery and electrical equipment from overload or short-cycling

Importance of Time Relays in Industrial Automation

Time relays are critical in industrial automation because they:

  • Enhance Operational Efficiency – Automating on/off sequences reduces manual intervention and improves workflow reliability.
  • Protect Equipment – By controlling the timing of motors, pumps, and HVAC systems, relays prevent mechanical stress and electrical faults.
  • Reduce Energy Costs – Precise scheduling of lighting, motors, and HVAC units minimizes unnecessary electricity consumption.
  • Support Smart Manufacturing – Time relays integrate easily with PLCs, SCADA, and smart factory systems for optimized automation.

Programmable Time Relays for Industrial Automation Systems

What Makes a Relay Programmable?

Programmable time relays allow users to set customized time intervals, cyclic operations, and multiple modes according to industrial requirements. Unlike fixed-delay relays, these devices can be configured via buttons, digital displays, or software, providing flexibility for diverse applications.

Key Benefits in Automated Systems:

Feature

Description

Benefits

Customizable Timing

Adapts to different processes such as conveyor systems, mixing machinery, and assembly lines.

Optimizes process control and ensures precise timing for diverse industrial operations.

Reduced Downtime

Automated scheduling prevents operational errors and minimizes human intervention.

Enhances productivity and reduces maintenance-related interruptions.

Integration with Control Systems

Easily connects to PLCs, IoT devices, and smart factory networks.

Supports smart factory automation, central monitoring, and seamless system interoperability.

Digital Time Delay Relays in HVAC Applications

Role in HVAC Systems

In heating, ventilation, and air conditioning (HVAC) systems, digital time delay relays regulate fan motors, compressors, and pumps. They ensure smooth start/stop cycles and prevent short cycling, which can damage equipment.

Enhancing Energy Efficiency and Equipment Protection

Feature

Description

Benefits

Energy Savings

Controls HVAC operation based on occupancy or time schedules.

Reduces energy bills by ensuring HVAC systems operate only when needed.

Equipment Longevity

Prevents excessive wear by allowing proper timing between cycles.

Extends the lifespan of HVAC equipment and reduces maintenance costs.

Remote Monitoring

Digital relays support IoT-enabled monitoring for predictive maintenance.

Allows proactive maintenance and reduces unexpected downtime.

Adjustable Time Relays for Lighting Control in Commercial Buildings

Why Adjustable Timing Matters

Adjustable time relays provide precise control over lighting systems in offices, warehouses, and retail environments. Users can modify delays or dimming functions based on natural light, occupancy, or specific operational schedules.

Feature / Case

Description

Benefits / Insight

Office Buildings

Lights automatically turn off after working hours or when rooms are unoccupied.

Enhances energy efficiency and reduces unnecessary electricity consumption.

Warehouses

High-bay lights operate only when needed.

Significantly reduces electricity consumption and maintenance costs.

Export Insight

Adjustable relays are popular among European and U.S. buyers prioritizing energy efficiency compliance.

Supports smart building integration and meets international energy standards.

Multi-Timing Range Relays for Industrial Machinery

Flexibility in Timing Settings

Relays with multiple timing ranges allow one device to handle short, medium, and long delay operations, making them versatile for different industrial tasks.

Improving Machinery Performance and Safety

  • Reduces manual supervision
  • Ensures sequential operations run smoothly
  • Protects motors and mechanical components from overload

Choosing the Right Time Relay

When selecting a time relay for industrial or commercial use, consider:

  • Application type (lighting, HVAC, machinery)
  • Required timing range and programmability
  • Mounting method (DIN rail, panel, standalone)
  • Compliance with international standards (CE, UL, RoHS)

Future Trends in Industrial Automation

  • IoT-Enabled Time Relays: Integration with smart factories and predictive maintenance
  • Energy-Saving Features: Adaptive relays for green building initiatives
  • Multi-Function Relays: Combining time delay, protection, and automation in one device

By leveraging programmable, digital, adjustable, and multi-range relays, manufacturers can optimize operations, reduce costs, and meet international industrial standards, making these devices essential for global automation solutions.