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    Solid state relay, 3 phase, SSR-80DA, 80A 3-32V DC to AC

    SSR-80DA solid state relay, 3 phase, 80A load current rating, voltage input 3-32V DC, load voltage 24-480V AC, excellent quality, long life, brand new and ideal for the automatic control.
    SKU: ATO-TH8048ZD3
    Free shipping
    Delivery date: 6-12 days

    Solid state relay, 3 phase, 80A, DC to AC, zero-cross switch, built-in RC, with LED indicator. SSR features optical isolation between input and out circuit, no electric spark, no noise and no contact.

    3 Phase SSR-80DA Specification

    Basics Model ATO-TH8048ZD3
    Size 105х74х33mm
    Weight 500g
    Mounting method Bolted
    Ambient temperature -20℃~75℃
    Humidity ≤95%(non-condensing)
    Technical parameters Control mode DC-AC
    Load voltage 24~480V AC
    Load current 80A
    Control voltage 3~32V DC
    Control current 10-68mA
    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 Need fan for cooling or water cooling

    Solid State Relay Dimensions

    3 phase SSR dimensions

    Three Phase SSR Wiring Diagram

    3-phase SSR wiring diagram 3-32VDC

    Tips: How to choose the solid state relay (SSR)?

    The key is to choose a solid state relay with appropriate rated current. Unless otherwise specified, the rectifier, controllable module and other power module will be fine.

    The rated current of solid state relay (SSR) is selected according to different load types. The instantaneous current of resistive load, inductive load and capacitive load is large when starting. Even for the load with pure resistance, the resistance value is smaller in cold state because of the positive temperature coefficient, so it has a larger starting current. Moreover, the inductive load has higher back electromotive force.

    Capacitive loads have greater risks. The capacitor (load) is equivalent to a short circuit because the voltage at both ends of the capacitor cannot be mutated when starting. More attention should be paid to the selection of this type of load.

    It is important to point out that the surge current value of solid state relay (SSR) which is based on thyristor surge current should not be used as the basis for selecting the starting current of the load. Its prerequisite is a half (or one) cycle of power supply, that is, 10 or 20ms. The time of startup processes above-mentioned is ranging from hundreds of milliseconds, to several minutes, even to 10 minutes. Please pay high attention to this point.

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