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

    3-phase Solid State Relay, SSR-10AA 10A, voltage input 70-280V AC output 24-480V AC, high quality, high reliability, long lifespan, good performance and wide application in automatic control area.
    SKU: ATO-TH1048ZA2

    Solid State Relay, 3 phase, load current 10A, AC-AC, equipped with LED indicator, zero-crossing switch, built-in RC, high switching speed, high structural strength, anti-vibration, especially suitable for frequent switching occasion.


    Basics Model ATO-TH1048ZA2
    Size 105(L)х74(W)х33(H)mm
    Weight 500g
    Mounting method Bolted
    Ambient temperature -20℃~75℃
    Humidity ≤95%(non-condensing)
    Technical parameters Control mode AC-AC
    Load voltage 24~480V AC
    Load current 10A
    Control voltage 70~280V AC
    Control current ≤12mA
    On-state voltage drop ≤1.5V AC
    Off-state leakage current ≤10mA
    Off-state time ≤10ms
    Dielectric strength 2500V AC (1min)
    Insulation resistance 500МΩ with 500V DC
    LED indication YES
    Cooling Heat sink or fan needed for cooling


    3 phase SSR dimensions

    Wiring diagram

    3 phase SSR wiring diagram 70 280VAC

    Tips: How to choose a SSR in different loads?

    It is not be a problem to choose a suitable 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 SSRs may work properly at the point of 2/3 of its rated current value. Enhanced SSRs 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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