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Samlex STS-30 30A Transfer Switch
Samlex STS-30 Automatic Transfer Switch
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List Price: $246.80
Price: $191.00


Product Code: STS-30

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The Samlex STS-30 Transfer Switch will automatically switch between two AC sources, ensuring that only one AC power source is connected to your AC loads at any one time. On the road, this means you can simply plug in to shore power without having to manually switch between power sources, and your AC sources will automatically switch without interruption.

The STS-30 can also be used in homes by installing the transfer switch at the breaker box and connecting a generator or inverter to the transfer switch. This will allow you to run selected circuits for appliances such as a furnaces, well and sump pumps, refrigerators, TV's, computers or lights during a power outage.

The STS-30 Transfer Switch features dual AC receptacles for setting up a backup power or UPS (Un-interruptible Power Supply) system consisting of an inverter, a battery charger and batteries. This type of backup power system / UPS can be used in a variety of applications including on-grid, off-grid and RV. It also features a 15A power cord providing an easy, pluggable connection to your inverter or generator.

The STS-30 Transfer Switch is designed for single phase operating voltage of 120 VAC, 60 Hz and can handle up to 30 Amps.

  • Product Features

    • Automatically switches between 2 separate AC input sources: Utility Power and Generator, Utility Power and Inverter or Generator and Inverter
    • Rated capacity of 30 Amps at 120 VAC and is suitable for a 30 Amp Utility Power Cord and a Generator of up to 3.6 KVA capacity
    • Utilizes a heavy duty Double Pole Double Throw (DPDT) relay for switching both the Line and Neutral
    • Can be installed on the line side of the main breaker panel allowing switching of the entire load or on the load side to only switch dedicated circuits
    • DIP Switch select to enable a time delay when transferring to a generator
    • Comes with a standard North American power cord for convenient connection to 15 Amp NEMA5-15R receptacles on a generator or an inverter with up to 1800 VA capacity (Replace this cord with 30 Amp cord if full 30 Amp capacity is required)
    • Has (2) NEMA5-20 outlets for convenient connection to a battery charger
  • Applications

    • Solar power systems
    • Emergency backup power
    • Mobile offices
    • Boats
    • Lighting systems
    • Recreational vehicles
    • Automotive
    • Telecommunications
    • Field work and construction sites