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    Solid state relay SSR-15AA, 15A 70-280V AC to AC

    $41.69
    Single phase solid state relay (SSR), AC control, load current 15 Amp, input voltage 70-280V AC and load voltage 24-480V AC, with LED indicator and panel mount. High reliability and favorable price.
    SKU: ATO-SSR-DH15AA
    *
    Free Shipping Worldwide
    Delivery date: 6-20 days

    Features

    15A solid state relay (SSR) with 70-280V AC features high structural strength, good impact resistance, and strong shock resistance. The SSR offers a reliable switching the commercial and industrial loads, such as computer peripheral interface device, printing machine, molding machine, food machine, packaging machine, and so on.

    • Built in RC absorption
    • Photoelectric isolation
    • SCR output
    • LED indicator for operation status
    • Removable protective cover for safety
    • Panel mount
    • Zero-crossing switch type

    Specification

    Model ATO-SYDH1548ZA2
    Input Control voltage range 70-280V AC
    Max. input current 15mA
    Must operate voltage 70V AC
    Must release voltage 50V AC
    Output Load voltage range 24-480V AC
    Peak voltage 800V AC
    Load current 15A
    Maximum off-state leakage current 2mA
    Maximum off-state time 10mS
    Maximum on-state voltage drop 1.5V
    General Dimension L – W – H (mm) 57.4х44.8х28
    Weight 100g
    Dielectric strength (input to output) 4000V
    Dielectric strength (input, output to the base) 2500V
    Operating temperature -20℃~ 80℃
    Mount Panel
    Certification CE

    Note:
    When the load current is higher than 10A, a heat sink must be installed to the solid state relay, or the SSR relay should be mounted on a metal base plate with heat dissipation effect, and the thermal grease is applied between them. When the load current is 40A or more, a fan cooling radiator or water cooling radiator must be equipped.

    Heat Sink

    Product Name Heat Sink for SSR SSR-15A heat sink dimension
    Material Aluminum
    Dimension Roof Size: 60 x 50mm
    Foot Size: 80 x 50mm
    Height: 50mm
    Mounting Size Mounting Hole Diameter: 3mm
    Threaded Hole Distance: 48mm
    Weight 115g
    Application ≤15A single phase SSR solid state relay

    Dimensions (Unit: mm)

    Single Phase SSR Dimensions

    Wiring Diagram

    Single Phase AC to AC SSR Wiring Diagram

    Tips: Overheat protection of solid state relays

    When the SSR is on, devices will withstand the dissipated power of P = V (tube voltage drop) × I (load), where effective values of V and I are the ones of saturation voltage drop and operating current, respectively. The load capacity of solid state relays is greatly affected by the ambient temperature and its own temperature rise. It is necessary to strictly refer to the allowable temperature rise (75 ℃) of the case when the rated working current is used according to the actual working environment conditions, to reasonably select the size of radiators or reduce the current usage. In the process of installation and use, good heat emission conditions should be ensured and otherwise, overheat will lead to incontrollable situation, or even cause damage to the product.
    In general, for the product with rated operating current less than 10A, the instrument baseplate with good heat emission conditions can be used. For more than 10A, radiators should be equipped with. For 30A or less, natural air-cooling is used, while for products with continuous load current greater than 30A, the fan in the instrument should be used for forced air cooling. For more than 100A, a radiator and a fan for forced cooling should be equipped with. In the installation, pay attention to good contact between the bottom of the relay and the radiator, and consider the amount of thermal grease coated appropriate to achieve the best cooling effect. If the relay works under high temperature (40 ℃ ~ 80 ℃) in a long term, the user can consider derating to ensure normal operation according to data of maximum output current and ambient temperature curve.

    Solid state relay (SSR) is simple but widely used in the automation fields. Thus, it is not complex to wire a solid state relay. In this vedio, ATO takes a 40 Amp SSR (DC - AC) for example to show the wiring of a SSR and then switch on/off a motor with this SSR.

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