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    Solid state relay, 3 phase, SSR-10AA, 10A 70-280V AC to AC

    3-phase solid state relay, SSR-10AA, input voltage 70-280V AC, load current 10 amp and load voltage 24-480V AC, panel mount, LED indicator, high quality and long lifespan.

    Solid State Relay Features

    10A 3-phase solid state relay (SSR) with 70-280V AC to 24-480V 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

    10 Amps 3 Phase SSR Specification

    Model ATO-SYTH1048ZA2
    Input Control voltage range 70-280V AC
    Max. input current 20mA
    Must operate voltage 70V AC
    Must release voltage 50V AC
    Output Load voltage range 24-480V AC
    Peak voltage 800V AC
    Load current 10A
    Maximum off-state leakage current 8mA
    Maximum off-state time 10mS
    Maximum on-state voltage drop 1.5V
    General Dimension L – W – H (mm) 105х74.8х33
    Weight 500g
    Dielectric strength (input to output) 4000V
    Dielectric strength (input, output to the base) 2500V
    Operating temperature -20℃~ 80℃
    Mount Panel
    Certification CE

    * When the load current is higher than 10A, a heat sink must be added to the SSR or the SSR should be mounted on a metal base plate with heat dissipation effect, and apply the thermal grease between them. 
    When the load current is higher than is 40A or more, it also needs to add fan cooling or water cooling.
    * Heat sink is Not included.

    Solid State Relay Dimension

    3 phase SSR dimensions

    3 Phase SSR Wiring Diagram

    3 phase SSR wiring diagram 70 280VAC

    Tips: How to choose a solid state relay for different loads?

    It is not be a problem to choose a suitable solid state relay (SSR) for normal loads, but special load conditions must also be considered so that excessive impact current and overvoltage as well as unnecessary damages caused to device performance are avoided. The feature of cold-state resistance of filament lamps, electric furnaces, etc. result in surge current at the turn-on moment, which is several times higher than the rated working current value. Generally, ordinary-type solid state relays may work properly at the point of 2/3 of its rated current value. Enhanced solid state relays may be selected according to the parameters provided by the manufacturer. In the harsh conditions such as industrial control sites, it is recommended to leave enough voltage and current margin.

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