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

    3 phase 60 Amp solid state relay, SSR-60DA, zero cross switching type, 3-32V DC control voltage, 24-480V AC load volatage, LED indicator, panel mount, high reliability, long lifespan and low price.
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    Delivery date: 6-12 days


    60A 3-phase solid state relay (SSR) with 3-32V DC input and 24-480V AC output features compact size, 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-TH60DA
    Input Control voltage range 3-32V DC
    Max. input current 20mA
    Must operate voltage 4V DC
    Must release voltage 2.7V DC
    Output Load voltage range 24-480V AC
    Peak voltage 800V AC
    Maximum load current 60A
    Maximum off-state leakage current 8mA
    Maximum off-state time 10mS
    Maximum on-state voltage drop 1.5V
    General Type DC to AC, 3 phase
    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


    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.

    Heat Sink

    Product Name Heat sink for 3 phase SSR SSR 150Amp heat sink dimension
    Material Aluminum alloy
    Dimension (L*W*H) 150*125*135mm
    Mounting Size Mounting Hole Diameter: 3mm
    Groove Distance: 84mm
    Weight 2.1kg
    Application ≤150A 3 phase solid state relay

    Dimensions (Unit: mm)

    3-phase SSR Relay Dimensions

    Wiring Diagram

    3-phase 3-32V DC to AC SSR Wiring Diagram

    Tips: Ambient temperature for solid state relay

    Load capacity of solid state relay is greatly affected by the ambient temperature and its own temperature rise. During installation and use, good heat dissipation should be ensured. The SSR with the rated working current above 10A should be equipped with a heat sink and the SSR above 100A should be a radiator and a fan for forced cooling. In the installation, pay attention to good contact between the bottom of the relay and the radiator, and consider appropriate amount of thermal grease coated in order to achieve the best cooling effect.
    If the solid state relay is working at high temperature (40 ℃ ~ 80 ℃) for a long time, the user can consider derating to ensure normal operation according to the maximum output current and ambient temperature curve data provided by the manufacturer.

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