Power Relays | RS
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    Power Relays

    What are Power Relays?

    Power relays are electromechanical devices that are used to control the flow of electrical power in a circuit. They are commonly used in industrial and commercial applications to control large electrical loads, such as motors, heaters, and lighting systems.Power relays consist of a coil, which generates a magnetic field when a current flows through it, and a set of contacts that are mechanically switched by the magnetic field. When the coil is energized, the contacts close, allowing current to flow through the relay and to the load. When the coil is de-energized, the contacts open, breaking the circuit and stopping the flow of current.Power relays are available in a variety of configurations, including single-pole, double-pole, and three-pole versions. They may also include auxiliary contacts, which can be used to monitor the status of the relay or to control other devices in the circuit. Additionally, power relays may have features such as time delays or surge suppression to provide additional protection and control.

    Applications where Power Relays are used

    Power relays are used in a wide range of applications where electrical power needs to be controlled. Some common examples of applications where power relays are used include:Motor control: Power relays are used to control the operation of electric motors in various industrial and commercial applications, such as pumps, conveyors, and HVAC systems.Lighting control: Power relays are used to control lighting systems, such as streetlights, outdoor lighting, and indoor lighting in commercial and industrial buildings.Heating and cooling systems: Power relays are used to control the operation of heaters and cooling systems, such as air conditioners and refrigeration units.Power distribution: Power relays are used to switch power between different parts of an electrical system, such as between a main power source and a backup power source.Power factor correction: Power relays are used to correct the power factor in electrical systems, which helps to improve the efficiency of the system.Uninterruptible power supplies (UPS): Power relays are used in UPS systems to switch between different power sources, such as between a battery backup and a main power source.Security systems: Power relays are used in security systems to control the operation of various devices, such as door locks, alarms, and cameras.These are just a few examples of the many applications where power relays are used. Power relays are essential components in many electrical systems and are critical for ensuring the safe and efficient operation of these systems.

    5955 Products showing for Power Relays

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    230V ac
    2W
    DPDT
    8200Ω
    Plug In
    10A
    1.5kV ac
    -
    -
    2
    Through Hole
    240V
    30V dc
    Power
    35mm
    35mm
    56mm
    -
    -
    Silver Alloy
    -
    10 Million (Mechanical) cycles
    +55°C
    -45°C
    -
    CUR E125370, UL E125370
    -
    230V ac
    1.2W
    DPDT
    12500Ω
    Plug In
    10A
    1.5kV ac
    -
    -
    2
    PCB Pin
    240V ac
    30V dc
    Power
    28mm
    21.5mm
    36mm
    -
    -
    Silver Alloy
    -
    1000000 (Electrical) cycles, 10000000 (Mechanical) cycles
    +55°C
    -45°C
    -
    CUR E125370, UL E125370
    -
    240V ac
    480W
    SPDT
    -
    Plug In
    16A
    2kV ac
    -
    -
    1
    Plug In
    250V ac
    30V dc
    General Purpose
    28mm
    21.5mm
    36mm
    -
    -
    Silver Alloy
    -
    100000 (Electrical) cycles, 10000000 (Mechanical) cycles
    +55°C
    -25°C
    -
    CE, CQC, CULus, RoHS Compliant
    -
    24V dc
    1.2W
    3PDT
    478Ω
    Plug In
    10A
    1.5kV ac
    -
    -
    3
    Through Hole
    240V ac
    30V dc
    Power
    35mm
    35mm
    56mm
    -
    -
    Silver Alloy
    -
    10000000 (Mechanical) cycles
    +65°C
    -45°C
    -
    CUR E125370, UL E125370
    -
    230V ac
    530mW
    SPDT
    23000Ω
    Plug In
    10 A, 12A
    5kV ac
    10 A
    12 A
    1
    PCB Pin
    250V
    30V dc
    Interface
    29mm
    12.6mm
    28mm
    -
    -
    Silver Alloy
    -
    10000000 cycles
    +55°C
    -40°C
    RFT
    CE:CQC, CULus
    -
    24V ac
    1.2W
    DPDT
    180Ω
    Plug In
    10A
    1.5kV ac
    -
    -
    2
    PCB Pin
    240V ac
    30V dc
    Power
    28mm
    21.5mm
    36mm
    -
    -
    Silver Alloy
    -
    1000000 (Electrical) cycles, 10000000 (Mechanical) cycles
    +55°C
    -45°C
    -
    CUR E125370, UL E125370
    -
    24V ac
    180W
    4PDT
    -
    Plug In
    6A
    2kV ac
    -
    -
    4
    Plug In
    250V ac
    30V dc
    General Purpose
    28mm
    21.5mm
    36mm
    -
    -
    Silver Alloy
    -
    100000 (Electrical) cycles, 10000000 (Mechanical) cycles
    +70°C
    -55°C
    -
    CE, CQC, CULus, RoHS Compliant
    -
    24V dc
    150W
    4PDT
    -
    Plug In
    5A
    2kV ac
    -
    -
    4
    Plug In
    250V ac
    30V dc
    General Purpose
    28mm
    21.5mm
    36mm
    -
    -
    Silver Alloy
    -
    100000 (Electrical) cycles, 10000000 (Mechanical) cycles
    +70°C
    -55°C
    -
    CE, CQC, CULus, RoHS Compliant
    -
    24V dc
    300W
    DPDT
    -
    Plug In
    10A
    2kV ac
    -
    -
    2
    Plug In
    250V ac
    30V dc
    General Purpose
    28mm
    21.5mm
    36mm
    -
    -
    Silver Alloy
    -
    100000 (Electrical) cycles, 10000000 (Mechanical) cycles
    +55°C
    -25°C
    -
    CE, CQC, CULus, RoHS Compliant
    -
    24V dc
    530mW
    SPDT
    1100Ω
    Plug In
    10 A, 12A
    5kV ac
    10 A
    12 A
    1
    PCB Pin
    250V
    30V dc
    Interface
    29mm
    12.6mm
    28mm
    -
    -
    Silver Alloy
    -
    10000000 cycles
    +55°C
    -40°C
    RFT
    CE:CQC, CULus
    -
    24V dc
    180W
    4PDT
    -
    Plug In
    6A
    2kV ac
    -
    -
    4
    Plug In
    250V ac
    30V dc
    General Purpose
    28mm
    21.5mm
    36mm
    -
    -
    Silver Alloy
    -
    100000 (Electrical) cycles, 10000000 (Mechanical) cycles
    +70°C
    -55°C
    -
    CE, CQC, CULus, RoHS Compliant
    -
    12V dc
    900mW
    DPDT
    160Ω
    Plug In
    10A
    1.5kV ac
    -
    -
    2
    PCB Pin
    240V ac
    30V dc
    Power
    28mm
    21.5mm
    36mm
    -
    -
    Silver Alloy
    -
    1000000 (Electrical) cycles, 10000000 (Mechanical) cycles
    +70°C
    -45°C
    -
    CUR E125370, UL E125370
    -
    240V ac
    1.2W
    DPDT
    15700Ω
    Plug In
    10A
    1.5kV ac
    -
    -
    2
    PCB Pin
    240V ac
    30V dc
    Power
    28mm
    21.5mm
    36mm
    -
    -
    Silver Alloy
    -
    1000000 (Electrical) cycles, 10000000 (Mechanical) cycles
    +55°C
    -45°C
    -
    CUR E125370, UL E125370
    -
    230V ac
    2.75W
    3PDT
    8200Ω
    Plug In
    10A
    1.5kV ac
    -
    -
    3
    Through Hole
    240V ac
    30V dc
    Power
    35mm
    35mm
    56mm
    -
    -
    Silver Alloy
    -
    1000000 (Electrical) cycles, 10000000 (Mechanical) cycles
    +55°C
    -45°C
    -
    CUR E125370, UL E125370
    -
    110V ac
    300W
    3PDT
    -
    Plug In
    10A
    2.5kV ac
    -
    -
    3
    Plug In
    250V ac
    30V dc
    General Purpose
    36mm
    36mm
    53mm
    -
    -
    Silver Alloy
    -
    100000 (Electrical) cycles, 10000000 (Mechanical) cycles
    +55°C
    -10°C
    -
    CE, CQC, CULus, RoHS Compliant
    -
    240V ac
    300W
    3PDT
    -
    Plug In
    10A
    2.5kV ac
    -
    -
    3
    Plug In
    250V ac
    30V dc
    General Purpose
    36mm
    36mm
    53mm
    -
    -
    Silver Alloy
    -
    100000 (Electrical) cycles, 10000000 (Mechanical) cycles
    +55°C
    -10°C
    -
    CE, CQC, CULus, RoHS Compliant
    -
    240V ac
    1.2W
    DPDT
    15700Ω
    Plug In
    10A
    1.5kV ac
    10 A
    10 A
    2
    PCB Pin
    240V ac
    30V dc
    General Purpose
    28mm
    21.5mm
    36mm
    -
    -
    Silver Alloy
    -
    1000000 (Electrical) cycles, 10000000 (Mechanical) cycles
    +55°C
    -45°C
    -
    CUR E125370, UL E125370
    -
    24V dc
    290mW
    SPDT
    2350Ω
    PCB Mount
    10A
    5kV ac
    -
    -
    1
    Through Hole
    440V ac
    125V dc
    Power
    28.5mm
    10.1mm
    12.5mm
    -
    -
    Silver Alloy
    -
    100000 (Electrical) cycles, 10000000 (Mechanical) cycles
    +85°C
    -40°C
    -
    CQC CQC04001011425, RoHS Compliant, UL E133481, VDE File No.: 40010480
    -
    240V ac
    1.1W
    4PDT
    18790Ω
    Plug In
    5A
    2kV ac
    -
    -
    4
    Through Hole
    250V ac
    125V dc
    Power
    28mm
    21.5mm
    36mm
    -
    -
    Gold Plated
    -
    200000 (Electrical) cycles, 50000000 (Mechanical) cycles
    +70°C
    -55°C
    -
    CE, CSA, RoHS Compliant
    -
    230V ac
    530mW
    DPDT
    23000Ω
    Plug In
    8A
    5kV ac
    5 A
    8 A
    2
    PCB Pin
    250V
    30V dc
    Interface
    29mm
    12.6mm
    27mm
    -
    -
    Silver Alloy
    -
    10000000 cycles
    +55°C
    -40°C
    RFT
    CE:CQC, CULus
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