Jackson Systems

ICM Controls ICM493 Single-Phase Line Voltage Monitor

BRAND: ICM Controls SKU: ICM493

(7 customer reviews)


MSRP: $273.69
You save 15%

Advanced Single-Phase Motor Protection

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ICM Controls' ICM493 is an advanced single-phase line voltage monitor with a bank of surge arresters for added protection against lightning strikes. Includes a built-in 40A contactor. Housed in a NEMA Rated 3R enclosure for outdoor installations. UL Recognized. Installs easily between the service disconnect and the condensing unit. Ideal for Mini-Splits or other valuable, single-phase equipment.


  • Protects against:

    • Over and under voltage
    • Rapid short cycling caused by transients
    • High-power surges
  • Ideal for mini-splits or other condensing units
  • Easy to view, backlit digital display
  • Bank of five L-L Surge Arresters
  • Built-in 40A Contactor
  • Waterproof, NEMA–rated 3R enclosure for outdoor use
  • Easy installation and setup

Additional information

Line Voltage Range



UPC 696333116299

7 reviews for ICM Controls ICM493 Single-Phase Line Voltage Monitor

  1. Eddie Sutton (verified owner)

    Buttons arent responding to touch

  2. Steve D. (verified owner)

    easy to install and set up. Will see how well it protects sensitive equipment.

  3. Herman Bruns (verified owner)

  4. Robert E. (verified owner)

    not yet wired in so not sure

  5. Dan (verified owner)

    All Good ! Fast Shipping, Great product and price !

  6. Roberto (verified owner)

    Arrived very fast & packaged very well. I have not installed it yet.

  7. Daniel M. (verified owner)

    Provides extra peace of mind for my mini split system, we get frequent lightning storms here in Florida that could damage it. Item was well packaged and arrived safely, very easy to install with the provided instructions.

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