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    Solid state relay SSR-60DA, 60A 3-32V DC to AC

    5 out of 5 based on 2 reviews | Write a review
    Solid state relay SSR-60DA, load current rating to 60 amp, 3-32V DC control voltage, 24-480V AC load voltage, with LED indicator, zero cross, ideal for frequent switching occasions.
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    Delivery date: 6-12 days


    60A 3-32V DC to 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-DH60DA
    Input Control voltage range 3-32V DC
    Max. input current 12mA
    Must operate voltage 2.8V DC
    Must release voltage 1.5V DC
    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 DC 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 DC to AC SSR Wiring Diagram

    Tips: Electromagnetic relay (EMR) vs solid state relay (SSR)

    1. Structural differences
      Electromagnetic relays work relying on suction effects generated between electromagnet core and armature by the internal circuit of input circuit. SSR, without any mechanical motion components inside, uses electronic components to perform its function. Its input and output are optically isolated.
    2. Working methods
      Electromagnetic relay uses the electromagnetic induction principle, and control on-off state of circuits through the power of the electromagnet. Therefore, AC or DC is allowed for contacts if DC is used for coils. SSRs achieve their functions of isolation and relay switching relying on electric, magnetic and optical characteristics of semiconductor devices and electronic components. Therefore, SSRs are divided into the type of DC input - AC output, DC input - DC output, AC input - AC output, AC input - DC output.
    3. Working conditions
      Electromagnetic relays use suction effects generated between armatures to connect and disconnect circuits. Therefore, it has slow reaction, noises, limited life expectancy. SSRs have short response time, noise-free operation and a long life.
    4. Operating environment
      As for factors such as temperature, humidity, atmospheric pressure (altitude), sand and dust pollution, chemical gases and electromagnetic interference, electromagnetic relays are generally not as good as SSRs.
    5. Electrical performances
      For electromagnetic relays and corresponding SSRs, the former is simple to drive, but the power consumption is large. It also has good isolation and short-term overload tolerance. The control of high-current, high-power occasions is not as good as the latter, and for the control of circuits with frequent action, its life expectancy is not as long as the latter.

    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-60DA, 60A 3-32V DC to AC
    Good replacement
    I controlled my heating system in my small green house replaced it with this solid state relay and has worked great and lasted through the first heating season without a problem.
    From: Carrie | Date: 16/01/2023
    Was this review helpful? Yes No (0/0)
    Solid state relay is better than I expected,and it is very queit.
    Good 60A solid state relay, through to disconnect all have no voice, really reached the mute state, even better than I expected.
    I use 60 amps solid state relay and the z-wave modules to control the big current equipment hot water tank, the pit pump, the sprinkler pump, and they do great work.
    From: Turner | Date: 23/11/2018
    Was this review helpful? Yes No (0/0)
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