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    Solid state relay SSR-80AA, 80A 70-280V AC to AC

    SSR-80AA single phase Solid State Relay 80A, AC-AC, 70-280V AC to 24-480V AC, excellent quality and high reliability, especially suitable for frequently switching and some harsh environment such as corrosion, moisture, dust, etc.
    SKU: ATO-DH8048ZA2

    SSR-80AA Solid State Relay 80A, voltage input 70-280V AC output 24-480V AC, with LED indicator, zero-crossing switch, built-in RC, high structural strength, good impact resistance, anti-vibration.


    Basics Model ATO-DH8048ZA2
    Size 57.4х44.8х28mm
    Weight 135g
    Mounting method Bolted
    Ambient temperature -20℃~75℃
    Humidity ≤95%(non-condensing)
    Technical parameters Control mode AC-AC
    Load voltage 24~480V AC
    Load current 80A
    Control voltage 70~280V AC
    Control current AC ≤12mA
    On-state voltage drop ≤1.5V
    Off-state leakage current ≤2mA
    Off-state time ≤10ms
    Dielectric strength 2500V AC (1min)
    Insulation resistance 500МΩ with 500V DC
    LED indication YES
    Cooling Install fan for cooling.


    SSR single phase dimensions

    Wiring diagram

    SSR single phase wiring ac-ac

    Tips: Four tips for installation and use of solid state relays

    1. In the event of long-term operating current more than 5A, SSR must be equipped with a radiator matched, the temperature of whose baseplate shall not exceed 80 ℃ in operation. If the ambient temperature is too high, air cooling must be adopted to accelerate air flow for better heat dissipation.
    2. In order to ensure that the SSR contacts closely the surface of the radiator in the process of installation to achieve a better heat dissipation effect, please install the heat-conducting film in parallel between the SSR baseplate and contact surface of the radiator and tighten the fixing screw. Appropriate amount of thermal grease, if any, may be coated evenly on the SSR baseplate and tighten the fixing screw.
    3. In order to prevent breakdown damage to SSRs caused by load short-circuit or over-current, voltage overload, it is recommended to install and use to a special fast acting fuse matched. For inductive load, it is also necessary to install varistors and RC absorption circuits at the solid-state output. For a DC SSR, a freewheeling diode and other protection devices shall be installed if inductive load exists.
    4. SSRs work must ensure sufficient operating voltage and current but no more than nominal trigger voltage and current values. For example, the control terminal 3-32V DC means that the minimum input voltage shall not be less than 3VDC, and the maximum shall not exceed 32V DC. Therefore, trigger requirements of SSRs should be met when SSRs are used in series or parallel.
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