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    Solid State Relays

    A solid state relay (SSR) is a non-contact switch composed of microelectronic circuits, discrete electronic devices, electronic power devices, realizing the isolation between the control side and load side. A solid state relay is applied to control high current load with inputting a small control signal. Compared with the electromagnetic relay (EMR), the solid state relay is more reliable, non-contact, long life, high speed and little interference, and it has been widely used. ATO provides single phase and three phase solid state relays, including DC-AC and AC-AC, with load current from 10A to 120A. More details are as below and you can select a most suitable one to switch on/off your facilities or machines.

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    Solid state relay SSR-10DA, 10A 3-32V DC to AC

    From $34.51
    SKU: ATO-SSR-DH10DA
    Cheap SSR-10DA, 10A single phase solid state relay, DC to AC, control voltage 3-32V DC, load volatage 24-480V AC. Excellent quality, high reliability and long lifetime.

    Solid state relay SSR-10AA, 10A 70-280V AC to AC

    From $35.98
    SKU: ATO-SSR-DH10AA
    Low cost SSR-10AA single phase solid state relay, load current 10A, AC control, input 70-280V AC, output 24-480V AC, compact design and high reliablity, suitable for frequent switching occasion.

    Solid state relay SSR-15DA, 15A 3-32V DC to AC

    From $34.67
    SKU: ATO-SSR-DH15DA
    Low price 15 amps single phase solid state relay, SSR-15DA, 3-32V DC control voltage and 24-480V AC load voltage, with LED indicator. Strong structure, compact size and high performance.

    Solid state relay SSR-15AA, 15A 70-280V AC to AC

    From $35.69
    SKU: ATO-SSR-DH15AA
    Single phase solid state relay (SSR), AC control, load current 15 Amp, input voltage 70-280V AC and load voltage 24-480V AC, with LED indicator and panel mount. High reliability and favorable price.

    Solid state relay SSR-25DA, 25A 3-32V DC to AC

    From $40.51
    SKU: ATO-SSR-DH25DA
    SSR-25DA, single phase solid state relay, DC control, 3-32V DC input voltage, 25A load current, 24-480V AC load voltage. High quality yet low price SSR suitable for commercial and industrial applications.

    Solid state relay SSR-25AA, 25A 70-280V AC to AC

    From $40.77
    SKU: ATO-SSR-DH25A
    SSR-25AA, single phase solid state relay, zero cross, load current rating 25 amp, AC control voltage 70-280V AC, load voltage 24-480V AC, panel mount, strong structure and high reliability.

    Solid state relay SSR-40DA, 40A 3-32V DC to AC

    From $41.28
    SKU: ATO-SSR-DH40DA
    Brand new solid state relay 40A, zero cross, control voltage 3-32V DC, load voltage 24-480V AC, LED indicator, panel mount, low cost and high quality SSR, ideal for automatic process control applications.

    Solid state relay SSR-40AA, 40A 70-280V AC to AC

    From $41.58
    SKU: ATO-SSR-DH40AA
    Favorable price AC to AC solid state relay (SSR), single phase, zero cross, switch the load current up to 40 amp, with input voltage 70-280V AC and load voltage 24-480V AC. Long service life and high quality.

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

    From $42.89
    SKU: ATO-SSR-DH60DA
    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.

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

    From $44.80
    SKU: ATO-SSR-DH60AA
    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.

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

    From $47.14
    SKU: ATO-SSR-DH80DA
    SSR-80DA, load current rating to 80 Amp, 3-32V DC input voltage, 24-480V AC load voltage, DC control solid state relay, excellent quality and low price, high reliability and long lifespan.

    Solid state relay SSR-80AA, 80A 70-280V AC to AC

    From $47.42
    SKU: ATO-SSR-DH80AA
    SSR-80AA single phase solid state relay 80 Amp, AC control, zero cross, control voltage70-280V AC, load voltage 24-480V AC, LED indicator, panel mount, excellent quality and economical price.

    Solid state relay SSR-100DA, 100A 3-32V DC to AC

    From $49.18
    SKU: ATO-SSR-DH100DA
    Cheap single phase solid state relay, SSR-100DA, DC to AC, 3-32V DC input voltage, 24-480V AC load voltage, 100 Amp load current SSR, zero cross, LED indicator, panel mount, strong structure, high quality and long life time.

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

    From $50.05
    SKU: ATO-SSR-DH100AA
    SSR-100AA single phase solid state relay 100 amp, AC to AC, control voltage 70-280V AC, load voltage 24-480V AC, zero crossing SSR, panel mount, high reliability and favorable price.

    Solid state relay SSR-120DA, 120A 3-32V DC to AC

    From $52.11
    SKU: ATO-SSR-DH120DA
    Low cost 120 Amp single phase solid state relay SSR-120DA , zero cross, input voltage 3-32V DC, load voltage 24-480V AC, LED indicator, excellent quality, high reliability and brand new.

    Solid state relay SSR-120AA, 120A 70-280V AC to AC

    From $52.98
    SKU: ATO-SSR-DH120AA
    Single phase solid state relay SSR-120AA, load current rating up to 120A, zero cross, AC control,70-280V AC input voltage, 24-480V AC load voltage, brand new, high quality and long life time.

    Solid state relay, 3 phase, SSR-10AA, 10A 70-280V AC to AC

    From $51.52
    SKU: ATO-SSR-TH10AA
    3-phase solid state relay, SSR-10AA, input voltage 70-280V AC, load current 10 amp and load voltage 24-480V AC, panel mount, LED indicator, high quality and long lifespan.

    Solid state relay, 3 phase, SSR-10DA, 10A 3-32V DC to AC

    From $50.93
    SKU: ATO-SSR-TH10DA
    SSR-10DA solid state relay, 3-phase 10 Amp, DC to AC, control voltage 3-32V DC, load voltage 24-480V AC, fast switching speed, high reliability and long lifespan.

    Solid state relay, 3 phase, SSR-25AA, 25A 70-280V AC to AC

    From $53.18
    SKU: ATO-SSR-TH25AA
    25 Amp 3-phase solid state relay, SSR-25AA, input voltage 70-280V AC, load voltage 24-480V AC, LED indicator, panel mount, excellent quality and brand new, general purposer SSR for wide applications.

    Solid state relay, 3 phase, SSR-25DA, 25A 3-32V DC to AC

    From $52.10
    SKU: ATO-SSR-TH25DA
    Cheap SSR-25DA, 3-phase solid state relay, load current rating to 25A , DC control, input voltage 3-32V DC, load voltage 24-480V AC, panel mount, compact size, high reliability and long lifespan.