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    24V DC Signal Relay, SPDT, 3A

    $20.95
    Buy 24V DC signal relay online, contact form SPDT (1C), 3A contact switching capability, rated load 1A 240VAC/30VDC, 3A 120VAC, coil nominal power 360mW/200mW/450mW.
    SKU: ATO-SR-W38DC24V
    *
    This product has a minimum quantity of 10
    Free Shipping Worldwide
    Delivery date: 6-12 days

    24V DC signal relay is designed with silver alloy contacts and copper coil, more stable and precise.

    Features

    • 3A contact switching capability.
    • Contact form: SPDT (1C).
    • High sensitive type, coil power is 200mW/360mW/450mW.
    • Standard DIP construction terminal.
    • Ultra – small type, gold – plated contacts.
    • Suit for complete machine wave soldering and integral cleaning process.
    • Main applications: Electric power protection, automation, communication.

    Specification

    Model ATO-SR-W38DC24V
    Type Standard Type Sensitive Type High Power Consumption Type
    Coil Parameters (23℃) Nominal Voltage DC 24V
    Nominal Power 360mW 200mW 450mW
    Pick-up Voltage ≤18VDC ≤18VDC ≤18VDC
    Drop-out Voltage ≥1.20VDC ≥1.20VDC ≥1.20VDC
    Rated Cuttent 15mA 8.3mA 18.75mA
    Coil Resistance 1600Ω 2880Ω 1280Ω
    Max Voltage DC 31.2V DC 31.2V DC 31.2V
    Contact Parameters Contact Form SPDT (1C)
    Contact Resistance (Initial) ≤100mΩ (6VDC 0.1A)
    Contact Material AgNi + Gold Plating
    Rated Value Rated Load (Resistance Load) 1A 240VAC/30VDC
    3A 120VAC
    Max. Switching Voltage 240VAC/30VDC
    Max. Switching Current 5A
    Max. Switching Capacity 360VA/30W
    Min. Allowing Load 5VDC 100mA
    Electrical Performance Insulation Resistance (Initial) 1000mΩ (500VDC)
    Dielectric Strength (Initial) Between Open Contacts 500VAC, 1 min
    Between Coil & Contacts 1000VAC, 1 min
    Operate Time ≤10ms
    Release Time ≤5ms
    Mechanical Performance Shock Resistance Functional 98m/s2(10g)
    Destructive 980m/s2(100g)
    Vibration Resistance 10Hz ~ 55Hz 1.5mm DA
    Endurance Mechanical 1 x 107ops
    Electrical 1A 240VAC 1 x 105ops (ON/OFF=1s/9s)
    3A 120VDC 5 x 104ops (ON/OFF=1s/9s)
    Operate Condition Ambient Temperature -25℃ ~ 70℃
    Humidity 5% to 85%
    Termination PCB (DIP Encapsulation)
    Unit Weight 5g
    Construction Plastic Sealed, Flux Proofed

    Note: In order to maintain the initial performance parameters of the signal relay, please be careful not to drop it.

    Dimension

    Units: mm

    Dimensions of Signal Relay

    Performance curves

    Performance Curves of Signal Relay

    Tips: Major parameters of signal relay

    • Nominal voltage: It is the voltage required by the coil when the signal relay is in normal operation.
    • Direct current resistance: It is DC resistance of the coil in the relay, which can be measured with a multimeter.
    • Pull-in current: It is the minimum current at which a relay can produce a pull operation. In normal use, the given current must be slightly greater than the pull-in current for the signal relay to operate stably. The operating voltage of the coil do not exceed 1.5 times of the rated working voltage, otherwise it will produce a large current and burn the coil.
    • Release current: It refers to the maximum current generated by the release action of the signal relay. When the current in the pull-in state of the relay decreases to a certain extent, the relay will return to the release state. The current at this point is much less than the pull-in current.
    • Switching voltage and current of contact: They mean the voltage and current allowed to be loaded by the signal relay, which determines the size of the voltage and current that the relay can control, and cannot exceed specified value when using, otherwise it is easy to damage the contact of the relay.
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