Skip to content
Vashi Integrated Solutions is One-stop integrated products and solutions provider for all industrial and commercial sourcing needs
Vashi Integrated Solutions is One-stop integrated products and solutions provider for all industrial and commercial sourcing needs

Relays

  • Original price ₹10,875
    Original price ₹10,875 - Original price ₹10,875
    Original price ₹10,875
    Current price ₹5,133
    ₹5,133 - ₹5,133
    Current price ₹5,133

    (₹4,350 + GST)

    Siemens 3RB30361UB0- Overload relay 12.5...50 A for motor protection Size S2- Class 10E

    In stock

    Siemens 3RB30361UB0- Overload relay 12.5...50 A for motor protection Size S2- Class 10E

    Original price ₹10,875
    Original price ₹10,875 - Original price ₹10,875
    Original price ₹10,875
    Current price ₹5,133
    ₹5,133 - ₹5,133
    Current price ₹5,133
  • Original price ₹13,570
    Original price ₹13,570 - Original price ₹13,570
    Original price ₹13,570
    Current price ₹6,405
    ₹6,405 - ₹6,405
    Current price ₹6,405

    (₹5,428 + GST)

    Siemens 3RB30362UW1-OVERLOAD RELAY 12.5...50 A FOR MOTOR PROTECTION SIZE S2- CLASS 20E STAND-ALONE INSTALLAT

    In stock

    Siemens 3RB30362UW1-OVERLOAD RELAY 12.5...50 A FOR MOTOR PROTECTION SIZE S2- CLASS 20E STAND-ALONE INSTALLAT

    Original price ₹13,570
    Original price ₹13,570 - Original price ₹13,570
    Original price ₹13,570
    Current price ₹6,405
    ₹6,405 - ₹6,405
    Current price ₹6,405
  • Original price ₹20,510
    Original price ₹20,510 - Original price ₹20,510
    Original price ₹20,510
    Current price ₹9,681
    ₹9,681 - ₹9,681
    Current price ₹9,681

    (₹8,204 + GST)

    Siemens 3RB30362WW1-OVERLOAD RELAY 20...80 A FOR MOTOR PROTECTION SIZE S2- CLASS 20E STAND-ALONE INSTALLATIO

    Enquire Now

    Siemens 3RB30362WW1-OVERLOAD RELAY 20...80 A FOR MOTOR PROTECTION SIZE S2- CLASS 20E STAND-ALONE INSTALLATIO

    Original price ₹20,510
    Original price ₹20,510 - Original price ₹20,510
    Original price ₹20,510
    Current price ₹9,681
    ₹9,681 - ₹9,681
    Current price ₹9,681
    Enquire Now
  • Original price ₹3,090
    Original price ₹3,090 - Original price ₹3,090
    Original price ₹3,090
    Current price ₹1,604
    ₹1,604 - ₹1,604
    Current price ₹1,604

    (₹1,359 + GST)

    Siemens 3RU21264AC0 OVERLOAD RELAY 11...16A-MOTOR PROT.-S0- CLASS 10 SPRING TERM.

    Enquire Now

    Siemens 3RU21264AC0 OVERLOAD RELAY 11...16A-MOTOR PROT.-S0- CLASS 10 SPRING TERM.

    Original price ₹3,090
    Original price ₹3,090 - Original price ₹3,090
    Original price ₹3,090
    Current price ₹1,604
    ₹1,604 - ₹1,604
    Current price ₹1,604
    Enquire Now
  • Siemens 3RB20361QB0-OVERLOAD RELAY 6...25 A FOR MOTOR PROTECTION SIZE S2-

    Enquire Now

    Siemens 3RB20361QB0-OVERLOAD RELAY 6...25 A FOR MOTOR PROTECTION SIZE S2-

    Original price ₹0 - Original price ₹0
    Original price ₹0
    ₹0
    ₹0 - ₹0
    Current price ₹0
    Enquire Now
  • Original price ₹16,395
    Original price ₹16,395 - Original price ₹16,395
    Original price ₹16,395
    Current price ₹7,738
    ₹7,738 - ₹7,738
    Current price ₹7,738

    (₹6,558 + GST)

    Siemens 3RB30361WB0-Overload relay 20...80 A for motor protection Size S2- Class 10E Contactor mounting Main

    In stock

    Siemens 3RB30361WB0-Overload relay 20...80 A for motor protection Size S2- Class 10E Contactor mounting Main

    Original price ₹16,395
    Original price ₹16,395 - Original price ₹16,395
    Original price ₹16,395
    Current price ₹7,738
    ₹7,738 - ₹7,738
    Current price ₹7,738
  • Original price ₹13,570
    Original price ₹13,570 - Original price ₹13,570
    Original price ₹13,570
    Current price ₹6,405
    ₹6,405 - ₹6,405
    Current price ₹6,405

    (₹5,428 + GST)

    Siemens 3RB30362UB0 - 12.5 - 50A SIZE S2 CLASS 20E OVERLOAD RELAY

    In stock

    Siemens 3RB30362UB0 - 12.5 - 50A SIZE S2 CLASS 20E OVERLOAD RELAY

    Original price ₹13,570
    Original price ₹13,570 - Original price ₹13,570
    Original price ₹13,570
    Current price ₹6,405
    ₹6,405 - ₹6,405
    Current price ₹6,405
  • Original price ₹22,900
    Original price ₹22,900 - Original price ₹22,900
    Original price ₹22,900
    Current price ₹10,809
    ₹10,809 - ₹10,809
    Current price ₹10,809

    (₹9,160 + GST)

    Siemens 3RB31334WW1-OVERLOAD RELAY 20...80 A FOR MOTOR PROTECTION SIZE S2- CLASS 5E...30E STAND-ALONE INSTAL

    In stock

    Siemens 3RB31334WW1-OVERLOAD RELAY 20...80 A FOR MOTOR PROTECTION SIZE S2- CLASS 5E...30E STAND-ALONE INSTAL

    Original price ₹22,900
    Original price ₹22,900 - Original price ₹22,900
    Original price ₹22,900
    Current price ₹10,809
    ₹10,809 - ₹10,809
    Current price ₹10,809
  • Original price ₹16,395
    Original price ₹16,395 - Original price ₹16,395
    Original price ₹16,395
    Current price ₹7,738
    ₹7,738 - ₹7,738
    Current price ₹7,738

    (₹6,558 + GST)

    Siemens 3RB30361WW1-Overload relay 20...80 A for motor protection Size S2- Class 10E Stand-alone installatio

    In stock

    Siemens 3RB30361WW1-Overload relay 20...80 A for motor protection Size S2- Class 10E Stand-alone installatio

    Original price ₹16,395
    Original price ₹16,395 - Original price ₹16,395
    Original price ₹16,395
    Current price ₹7,738
    ₹7,738 - ₹7,738
    Current price ₹7,738
  • Original price ₹22,900
    Original price ₹22,900 - Original price ₹22,900
    Original price ₹22,900
    Current price ₹10,809
    ₹10,809 - ₹10,809
    Current price ₹10,809

    (₹9,160 + GST)

    Siemens 3RB31334WB0 - OVERLOAD RELAY 20?80A FOR MOTOR PROTECTION S2- FOR MOUNTING ONTO CONTACTORS MAIN

    In stock

    Siemens 3RB31334WB0 - OVERLOAD RELAY 20?80A FOR MOTOR PROTECTION S2- FOR MOUNTING ONTO CONTACTORS MAIN

    Original price ₹22,900
    Original price ₹22,900 - Original price ₹22,900
    Original price ₹22,900
    Current price ₹10,809
    ₹10,809 - ₹10,809
    Current price ₹10,809
  • Original price ₹10,700
    Original price ₹10,700 - Original price ₹10,700
    Original price ₹10,700
    Current price ₹5,555
    ₹5,555 - ₹5,555
    Current price ₹5,555

    (₹4,708 + GST)

    Siemens 3RU21364RB0 70-80A OVERLOAD RELAY- SIZE S2- SCREW TERMINALS

    In stock

    Siemens 3RU21364RB0 70-80A OVERLOAD RELAY- SIZE S2- SCREW TERMINALS

    Original price ₹10,700
    Original price ₹10,700 - Original price ₹10,700
    Original price ₹10,700
    Current price ₹5,555
    ₹5,555 - ₹5,555
    Current price ₹5,555
  • Original price ₹8,800
    Original price ₹8,800 - Original price ₹8,800
    Original price ₹8,800
    Current price ₹4,569
    ₹4,569 - ₹4,569
    Current price ₹4,569

    (₹3,872 + GST)

    Siemens 3RU21364QB0 - S2-47...57- CLASS 10- SCREW TERMINALS THERMAL O/L RELAY

    In stock

    Siemens 3RU21364QB0 - S2-47...57- CLASS 10- SCREW TERMINALS THERMAL O/L RELAY

    Original price ₹8,800
    Original price ₹8,800 - Original price ₹8,800
    Original price ₹8,800
    Current price ₹4,569
    ₹4,569 - ₹4,569
    Current price ₹4,569
  • Original price ₹10,060
    Original price ₹10,060 - Original price ₹10,060
    Original price ₹10,060
    Current price ₹5,223
    ₹5,223 - ₹5,223
    Current price ₹5,223

    (₹4,426 + GST)

    Siemens 3RU21364KB0-OVERLOAD RELAY 62..73A FOR MOTOR PROTECTION-S2-CLASS 10A CONTACTORMOUNTING

    In stock

    Siemens 3RU21364KB0-OVERLOAD RELAY 62..73A FOR MOTOR PROTECTION-S2-CLASS 10A CONTACTORMOUNTING

    Original price ₹10,060
    Original price ₹10,060 - Original price ₹10,060
    Original price ₹10,060
    Current price ₹5,223
    ₹5,223 - ₹5,223
    Current price ₹5,223
  • Original price ₹9,770
    Original price ₹9,770 - Original price ₹9,770
    Original price ₹9,770
    Current price ₹5,073
    ₹5,073 - ₹5,073
    Current price ₹5,073

    (₹4,299 + GST)

    Siemens 3RU21364JB0 - S2-54...65- CLASS 10- SCREW TERMINALS THERMAL O/L RELAY

    In stock

    Siemens 3RU21364JB0 - S2-54...65- CLASS 10- SCREW TERMINALS THERMAL O/L RELAY

    Original price ₹9,770
    Original price ₹9,770 - Original price ₹9,770
    Original price ₹9,770
    Current price ₹5,073
    ₹5,073 - ₹5,073
    Current price ₹5,073
  • Original price ₹7,825
    Original price ₹7,825 - Original price ₹7,825
    Original price ₹7,825
    Current price ₹4,063
    ₹4,063 - ₹4,063
    Current price ₹4,063

    (₹3,443 + GST)

    Siemens 3RU21364HB0 - S2-41...50- CLASS 10- SCREW TERMINALS THERMAL O/L RELAY

    In stock

    Siemens 3RU21364HB0 - S2-41...50- CLASS 10- SCREW TERMINALS THERMAL O/L RELAY

    Original price ₹7,825
    Original price ₹7,825 - Original price ₹7,825
    Original price ₹7,825
    Current price ₹4,063
    ₹4,063 - ₹4,063
    Current price ₹4,063
  • Original price ₹7,335
    Original price ₹7,335 - Original price ₹7,335
    Original price ₹7,335
    Current price ₹3,808
    ₹3,808 - ₹3,808
    Current price ₹3,808

    (₹3,227 + GST)

    Siemens 3RU21364GB0 - S2-36...45- CLASS 10- SCREW TERMINALS THERMAL O/L RELAY

    In stock

    Siemens 3RU21364GB0 - S2-36...45- CLASS 10- SCREW TERMINALS THERMAL O/L RELAY

    Original price ₹7,335
    Original price ₹7,335 - Original price ₹7,335
    Original price ₹7,335
    Current price ₹3,808
    ₹3,808 - ₹3,808
    Current price ₹3,808
  • Original price ₹5,820
    Original price ₹5,820 - Original price ₹5,820
    Original price ₹5,820
    Current price ₹3,022
    ₹3,022 - ₹3,022
    Current price ₹3,022

    (₹2,561 + GST)

    Siemens 3RU21364FB0 - S2-28...40- CLASS 10- SCREW TERMINALS THERMAL O/L RELAY

    In stock

    Siemens 3RU21364FB0 - S2-28...40- CLASS 10- SCREW TERMINALS THERMAL O/L RELAY

    Original price ₹5,820
    Original price ₹5,820 - Original price ₹5,820
    Original price ₹5,820
    Current price ₹3,022
    ₹3,022 - ₹3,022
    Current price ₹3,022
  • Original price ₹5,820
    Original price ₹5,820 - Original price ₹5,820
    Original price ₹5,820
    Current price ₹3,022
    ₹3,022 - ₹3,022
    Current price ₹3,022

    (₹2,561 + GST)

    Siemens 3RU21364EB0 - S2-22...32- CLASS 10- SCREW TERMINALS THERMAL O/L RELAY

    In stock

    Siemens 3RU21364EB0 - S2-22...32- CLASS 10- SCREW TERMINALS THERMAL O/L RELAY

    Original price ₹5,820
    Original price ₹5,820 - Original price ₹5,820
    Original price ₹5,820
    Current price ₹3,022
    ₹3,022 - ₹3,022
    Current price ₹3,022
  • Original price ₹5,820
    Original price ₹5,820 - Original price ₹5,820
    Original price ₹5,820
    Current price ₹3,022
    ₹3,022 - ₹3,022
    Current price ₹3,022

    (₹2,561 + GST)

    Siemens 3RU21364DB0 - S2-18...25- CLASS 10- SCREW TERMINALS THERMAL O/L RELAY

    In stock

    Siemens 3RU21364DB0 - S2-18...25- CLASS 10- SCREW TERMINALS THERMAL O/L RELAY

    Original price ₹5,820
    Original price ₹5,820 - Original price ₹5,820
    Original price ₹5,820
    Current price ₹3,022
    ₹3,022 - ₹3,022
    Current price ₹3,022
  • Original price ₹5,820
    Original price ₹5,820 - Original price ₹5,820
    Original price ₹5,820
    Current price ₹3,022
    ₹3,022 - ₹3,022
    Current price ₹3,022

    (₹2,561 + GST)

    Siemens 3RU21364BB0 - S2-14...20A- CLASS 10- SCREW TERMINAL O/L RELAY

    Low stock

    Siemens 3RU21364BB0 - S2-14...20A- CLASS 10- SCREW TERMINAL O/L RELAY

    Original price ₹5,820
    Original price ₹5,820 - Original price ₹5,820
    Original price ₹5,820
    Current price ₹3,022
    ₹3,022 - ₹3,022
    Current price ₹3,022
  • Original price ₹17,565
    Original price ₹17,565 - Original price ₹17,565
    Original price ₹17,565
    Current price ₹8,291
    ₹8,291 - ₹8,291
    Current price ₹8,291

    (₹7,026 + GST)

    Siemens 3RB31334UW1-12.5A..50A-C5 - C12 SETTABLE-S2-WITH O/L-PHASE FAILURE & PHASE UNBALANCE-EARTH FAULT PRO

    In stock

    Siemens 3RB31334UW1-12.5A..50A-C5 - C12 SETTABLE-S2-WITH O/L-PHASE FAILURE & PHASE UNBALANCE-EARTH FAULT PRO

    Original price ₹17,565
    Original price ₹17,565 - Original price ₹17,565
    Original price ₹17,565
    Current price ₹8,291
    ₹8,291 - ₹8,291
    Current price ₹8,291
  • Original price ₹17,565
    Original price ₹17,565 - Original price ₹17,565
    Original price ₹17,565
    Current price ₹8,291
    ₹8,291 - ₹8,291
    Current price ₹8,291

    (₹7,026 + GST)

    Siemens 3RB31334UB0 OVERLOAD RELAY 12.5...50 A FOR MOTOR PROTECTION S2- FOR MOUNTING ONTO CONTACTORS MAIN

    Enquire Now

    Siemens 3RB31334UB0 OVERLOAD RELAY 12.5...50 A FOR MOTOR PROTECTION S2- FOR MOUNTING ONTO CONTACTORS MAIN

    Original price ₹17,565
    Original price ₹17,565 - Original price ₹17,565
    Original price ₹17,565
    Current price ₹8,291
    ₹8,291 - ₹8,291
    Current price ₹8,291
    Enquire Now
  • Original price ₹20,510
    Original price ₹20,510 - Original price ₹20,510
    Original price ₹20,510
    Current price ₹9,681
    ₹9,681 - ₹9,681
    Current price ₹9,681

    (₹8,204 + GST)

    Siemens 3RB30362WB0-MICR. OVERLOAD RELAY 20...80A FOR MOTOR PROTECTION S2-CLASS 20 SCREW TERMINALS FOR MOUNT

    In stock

    Siemens 3RB30362WB0-MICR. OVERLOAD RELAY 20...80A FOR MOTOR PROTECTION S2-CLASS 20 SCREW TERMINALS FOR MOUNT

    Original price ₹20,510
    Original price ₹20,510 - Original price ₹20,510
    Original price ₹20,510
    Current price ₹9,681
    ₹9,681 - ₹9,681
    Current price ₹9,681
  • Original price ₹1,530
    Original price ₹1,530 - Original price ₹1,530
    Original price ₹1,530
    Current price ₹794
    ₹794 - ₹794
    Current price ₹794

    (₹673 + GST)

    Siemens 3RU29363AA01 - SUPPORT F. SZ. S2-STAND-ALONE INSTALLATION MAIN CIRCUIT: SCREW TERMINAL

    In stock

    Siemens 3RU29363AA01 - SUPPORT F. SZ. S2-STAND-ALONE INSTALLATION MAIN CIRCUIT: SCREW TERMINAL

    Original price ₹1,530
    Original price ₹1,530 - Original price ₹1,530
    Original price ₹1,530
    Current price ₹794
    ₹794 - ₹794
    Current price ₹794

Relays, Electronic Relays, and Switches

Relays are switches that open and close circuits electromechanically or electronically. Relays control one electrical circuit by opening and closing contacts in another circuit. As relay diagrams show, when a relay contact is normally open (NO), there is an open contact when the relay is not energized. When a relay contact is Normally Closed (NC), there is a closed contact when the relay is not energized. In either case, applying electrical current to the contacts will change their state
Relays are generally used to switch smaller currents in a control circuit and do not usually control power-consuming devices except for small motors and solenoids that draw low amps. Nonetheless, relays can "control" larger voltages and amperes by having an amplifying effect because a small voltage applied to a relays coil can result in a large voltage being switched by the contacts. Protective relays can prevent equipment damage by detecting electrical abnormalities, including overcurrent, undercurrent, overloads, and reverse currents. In addition, relays are also widely used to switch starting coils, heating elements, pilot lights, and audible alarms.

Types of Relays:

  • Electromechanical Relays: Explore the traditional relays that utilize mechanical contacts, including their construction, advantages, and applications.
  • Solid-State Relays (SSRs): Discover the benefits of SSRs, which employ semiconductor switching elements such as thyristors or MOSFETs, and their advantages in terms of speed, reliability, and noise reduction.

Applications of Relays Switch:

  • Industrial Automation: Learn how relays play a crucial role in industrial control systems, facilitating automation processes and enhancing safety.
  • Automotive Industry: Explore the importance of relays in automotive applications, including power distribution, lighting control, and engine management.
  • Household Appliances: Discover how relays contribute to the functionality and safety of everyday household devices, such as refrigerators, air conditioners, and washing machines.
  • Telecommunications: Understand the significance of relays in telecommunication networks, ensuring reliable signal routing and network integrity.

Benefits of Using  Relays:

  • Circuit Protection: Discuss how relays provide isolation and protection against overcurrents, short circuits, and other electrical faults, safeguarding both equipment and users.
  • Remote Control and Signal Amplification: Highlight the ability of relays to amplify weak signals and enable remote control functionality in various applications.
  • Durability and Longevity: Emphasize the robustness and longevity of relays, making them a reliable choice for demanding environments.

Electronic Relays are indispensable components in the realm of electrical control systems, offering versatility, reliability, and enhanced functionality. By understanding the types, applications, and benefits of relays, you can harness their power to optimize your electrical circuits and systems. Embrace the world of relays and unlock new possibilities for efficient control and automation in your industry.

Q: What do relays mean?

Relays are electrical switches that use an electromagnet to control the flow of current in a circuit. They allow a low-power control signal to switch a larger load, making them essential components in various applications.

Q: How do relays work?

A: Relays work by utilizing an electromagnet to control the position of a set of contacts. When the coil of the relay is energized, it generates a magnetic field that attracts an armature or moves the contacts, either opening or closing the circuit. This action allows the control of high-power devices or circuits using a smaller control signal.

Q: What are the types of relays?

A: There are different types of relays, including electromechanical relays, solid-state relays (SSRs), thermal relays, and reed relays. Each type has its own construction, working principles, and applications.

Q: Where are relays commonly used?

A: Relays find applications in various industries and systems, such as industrial automation, automotive electronics, telecommunications, household appliances, power distribution, and control circuits. They are utilized for controlling motors, lights, heaters, and other high-power devices.