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    Solid state relay SSR-60AA, 60A 70-280V AC to AC

    5 out of 5 based on 1 reviews | Write a review
    Brand new SSR-60AA solid state relay, 60A load current, AC control, 70-280V AC input voltage, 24-480V AC load voltage, zero cross, LED indicator, panel mount. Hight quality yet low cost.
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    Delivery date: 6-12 days


    60A 70-280V AC to 24-480V AC solid state relay (SSR) 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


    Model ATO-SSR-DH60AA
    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
    Maximum load current 60A
    Maximum off-state leakage current 2mA
    Maximum off-state time 10mS
    Maximum on-state voltage drop 1.5V
    General Type AC to AC, single phase
    Dimension L – W – H (mm) 57.4х44.8х28
    Weight 135g
    Dielectric strength (input to output) 4000V
    Dielectric strength (input, output to the base) 2500V
    Operating temperature -20℃~ 80℃
    Mount Panel
    Certification CE


    1. When the load is a resistive load, the maximum load current of the selected SSR should be 2~3 times greater than the actual load current;
    2. When the load is an inductive load, the maximum load current of the selected SSR should be more than 7~8 times the actual load current.
    3. When the maximum 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.

    Dimension (Unit: mm)

    Single Phase SSR Dimensions

    Wiring Diagram

    Single Phase AC to AC SSR Wiring DiagramTips: AC solid state relays vs DC solid state relays

    Based on the type of load power supply, SSRs can be divided into AC Solid State Relays (AC-SSRs) and DC Solid State Relays (DC-SSRs). AC-SSRs use a bidirectional thyristor as a switching device to turn on or off the AC load power supply. According to the type of control trigger, AC-SSR can be divided into zero-crossing and random turn-on. Zero-crossing AC-SSRs switch on when AC power supply goes through approx. zero voltage after control signals input. Therefore, their interference is small. The random turn-on AC-SSRs switch on or off in any phase of the AC power supply, so there may be more interference the moment they turn on.

    Compared with AC-SSR, DC-SSR has no zero-crossing control circuit and does not need to install a absorption circuit, and its switching devices generally use high-power switching transistor, except which, they have the same working principles. When DC-SSR is used, it should be noted that:

    1. In the case of inductive load, such as DC solenoid valves or electromagnets, a diode should be set in parallel at both ends of the load. Meanwhile, its current should be equal to the operating current, and its voltage should be 4 times greater than the operating voltage.
    2. During its operation, try to put SSR close to the load, and its output lead should meet the needs of the load current.
    3. Its filtering electrolytic capacitor should be large enough when the used power supply is obtained by AC brownout rectification.

    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.

    Existing reviews of Solid state relay SSR-60AA, 60A 70-280V AC to AC
    Control well pump
    With this solid state relay, I just needed a small float switch and a tiny 5V solar panel to provide a few milliamperes for control power. Highly recommended!!!
    From: Guyenng | Date: 20/11/2022
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