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    Solid state relay, 3 phase, SSR-100AA, 100A 70-280V AC to AC

    Low cost SSR-100AA, solid state relay, 3 phase, 100 Amp load current, AC control, input voltage 70-280V AC, load voltage 24-480V AC, LED indicator, panel mount, high reliability and good performance.
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    Delivery date: 6-20 days

    Solid State Relay Features

    100A 3-phase solid state relay (SSR) with 70-280V AC to 24-480V AC has 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

    100 Amps 3 Phase SSR Specification

    Model ATO-SYTH10048ZA2
    Input Control voltage range 70-280V AC
    Max. input current 20mA
    Must operate voltage 70V AC
    Must release voltage 50V AC
    Output Load voltage range 24-480V AC
    Peak voltage 800V AC
    Load current 100A
    Maximum off-state leakage current 8mA
    Maximum off-state time 10mS
    Maximum on-state voltage drop 1.5V
    General 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

    * When the load current is higher than 10A, a heat sink must be added to the SSR or the SSR should be mounted on a metal base plate with heat dissipation effect, and apply the thermal grease between them. 
    When the load current is higher than is 40A or more, it also needs to add fan cooling or water cooling.

    Heat Sink for 3 Phase SSR

    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

    Solid State Relay Dimension

    3 phase SSR dimensions

    Three Phase SSR Wiring Diagram

    3 phase SSR wiring diagram 70-280VAC

    Tips: SSR-ordinary type of Triac output and enhanced type of unidirectional SCR anti-parallel output

    In the case of inductive load, when the SSR is turned off by the on-state, a large voltage rise rate dv/dt (commutation dv/dt) will be generated at both ends of the triac due to inconsistent phase of current and voltage. The value exceeding the triac's commutation dv/dt (typically 10V/μs) will lead to delayed turn-off, or even failure. However, the unidirectional triac is unipolar and only affected by satic voltage rising rate dv/dt (typical value 100V/μs). The commutation dv/dt of ordinary type SSR formed by only triac has been greatly improved compared to enhanced SSR composed of two unidirectional SCR in anti-parallel, so the enhanced SSR should be selected in inductive or capacitive load field.

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