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    Electromagnetic Relay, DPDT, 12/24/110/220V coils

    Electromagnetic relay features with 8 pins, DPDT(Double Pole Double Throw), clear and plastic housing. The coil voltages of 12V DC, 24VDC, 110V AC and 220V AC are available with contact load 5A/240V AC 28V DC and widely used in automatic control system.
    Free Shipping Worldwide
    Delivery date: 6-12 days

    8-pin DPDT electromagnetic relay is in small size, easy to drive and has a wide range of applications like electronic equipment, household appliances, office automation etc.


    Basics Model ATO-HH52P (Relay with Socket)
    Dimension (L*W*H) 27×21×35mm
    Weight 30g
    Ambient Temperature -25℃~+55℃
    Terminal Type Plug-in
    Number of Pins 8
    Technical Parameters Contact Form DPDT (2 Form C)
    Contact Material Silver alloy
    Contact Capacity (Resistive load) 5A/28V DC, 5A/240V AC
    Coil Power DC≤0.9W, AC≤1.2VA
    Coil Voltage (Optional) 12V DC, 24VDC, 110V AC, 220V AC
    Pick-up Voltage at 23℃ DC≤75%, AC≤80%
    Drop-out Voltage at 23℃ DC≥10%, AC≥30%
    Contact Resistance @6V DC 1A ≤100MΩ
    Dielectric Strength Between open contact ≥1000V AC 50Hz/1min
    Between adjacent contact ≥1000V AC 50Hz/1min
    Between coil & contact ≥1500VAC 50Hz/1min
    Leakage current ≤1mA
    Insulation Resistance (MΩ) ≥500MΩ at 500V DC
    Service life Electrical 105 Times (Frequency: On 1 Time/1s, Off 1 Time/1s)
    Mechanical 106 Times (Frequency: 300 Time/1min)

    Note: Here just shows the contact form DPDT, and another contact forms 2NO (2 Form A) and 2NC (2 Form B) are still available. What's more, please kindly note that What's more, please kindly noted that other coil voltages are also available (DC: 6-220V; AC: 6-380V). If you have any requirments, please don't hesitate to contact us.

    Dimensions & Connection Diagram
    HH52PL electromangetic relay dimensions wiring

    Tips: Working principle of electromagnetic relay

    Electromagnetic replay uses electromagnet to control “on” or “off” status of operating circuit. Thus how an electromagnetic relay works specifically?

    Electromagnetic relay consists of electromagnet, armature, spring, movable contact and stationary contact. When applying voltage to both ends of a coil, the coil will be flowed with current and generate electromagnetic effect. The electromagnet will attract armature to the iron core against tension of spring, so as to pull the movable contact of the armature to the stationary contact (normally open contact, or NO). When users cut off power, attraction of the electromagnet will disappear and the armature will restore its position under tension of the spring to release the movable contract from the stationary contact (normally closed contract or NC). The pulling and releasing are used to control opening and closing of the circuit. Normally open and closed contacts respectively refer to the stationary contract when the coil is cut off from power and the stationery contract when the coil is connected to power.

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