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Please Note: Protek only supply products direct to electrical wholesalers. We do not supply directly to end users or contractors. Please contact us if you require help locating a local electrical wholesaler.

Enclosed Automatic Changeover Switches

Can't Find What You Are Looking For? Contact Us!
Can't Find What You Are Looking For? Contact Us!
Can't Find What You Are Looking For? Contact Us!

Automatic Changeover Switches are vital in situations where an uninterrupted power supply is critical to maintain the continuity of essential processes. In this regard, Protek’s SCO Automatic Changeover Switches are equipped with a contactor changeover system that can operate in either 2 pole or 4 pole. These changeover switches are rated at 230V or 400V AC and feature electromechanical interlocked AC1 / AC3 rated contactors that meet the essential requirements necessary for switching to a replacement power supply.

The SCO range of Automatic Changeover Switches are managed by a door-mounted front panel controller, which provides options for automatic or manual switching of the load from a MAIN LINE to a stand-by or emergency SECONDARY LINE or vice versa. The controller monitors two three-phase voltage inputs coming from two sources and connects to the output line that is within the limits. This controller is designed for use in both three-phase and neutral or two-phase systems and controls the contactors to perform the transfer between the lines.

The front panel controller is user-friendly and shows all the necessary information with LEDs, which provide a clear visualization of the Automatic Transfer System’s status. The push buttons on the controller allow you to select the operating mode, automatic or manual, and change the operating mode to manual switching of the load in position 1 (Line 1), position 0 (Neutral position), or position 2 (Line 2) as required, without needing to program any settings on the controller.

Moreover, the front panel mounted controller features NFC connectivity, allowing you to configure the controller’s parameters easily and quickly using an Apple iPhone or Android-based device (NFC functionality required) with the NFC App. Additionally, on the back of the controller, there are two potentiometers that enable manual setting of line presence delays or tripping delays for the protection threshold.

Model: SCO040AL
Enclosed metal IP40 single and three phase automatic changeover units. Designed and built in the UK to BSEN 60947-6-1.FeaturesDesigned and built in the UK to BS EN 60947-6-1IP40 sheet steel enclosureRAL 7035W Powder coatingGalvanized steel mounting plateFully welded constructionFoamed-in door PU sea..
£1,315.10
Model: SCO060AL
Enclosed metal IP40 single and three phase automatic changeover units. Designed and built in the UK to BSEN 60947-6-1.FeaturesDesigned and built in the UK to BS EN 60947-6-1IP40 sheet steel enclosureRAL 7035W Powder coatingGalvanized steel mounting plateFully welded constructionFoamed-in door PU sea..
£1,448.74
Model: SCO080AL
Enclosed metal IP40 single and three phase automatic changeover units. Designed and built in the UK to BSEN 60947-6-1.FeaturesDesigned and built in the UK to BS EN 60947-6-1IP40 sheet steel enclosureRAL 7035W Powder coatingGalvanized steel mounting plateFully welded constructionFoamed-in door PU sea..
£1,509.42
Model: SCO100AL
Enclosed metal IP40 single and three phase automatic changeover units. Designed and built in the UK to BSEN 60947-6-1.FeaturesDesigned and built in the UK to BS EN 60947-6-1IP40 sheet steel enclosureRAL 7035W Powder coatingGalvanized steel mounting plateFully welded constructionFoamed-in door PU sea..
£1,586.52
Model: SCO125AL
Enclosed metal IP40 single and three phase automatic changeover units. Designed and built in the UK to BSEN 60947-6-1.FeaturesDesigned and built in the UK to BS EN 60947-6-1IP40 sheet steel enclosureRAL 7035W Powder coatingGalvanized steel mounting plateFully welded constructionFoamed-in door PU sea..
£1,932.01
Model: SCO200AL
Enclosed metal IP40 single and three phase automatic changeover units. Designed and built in the UK to BSEN 60947-6-1.FeaturesDesigned and built in the UK to BS EN 60947-6-1IP40 sheet steel enclosureRAL 7035W Powder coatingGalvanized steel mounting plateFully welded constructionFoamed-in door PU sea..
£2,414.88
Model: SCO250AL
Enclosed metal IP40 single and three phase automatic changeover units. Designed and built in the UK to BSEN 60947-6-1.FeaturesDesigned and built in the UK to BS EN 60947-6-1IP40 sheet steel enclosureRAL 7035W Powder coatingGalvanized steel mounting plateFully welded constructionFoamed-in door PU sea..
£2,964.00
Model: SCO400AL
Enclosed metal IP40 single and three phase automatic changeover units. Designed and built in the UK to BSEN 60947-6-1.FeaturesDesigned and built in the UK to BS EN 60947-6-1IP40 sheet steel enclosureRAL 7035W Powder coatingGalvanized steel mounting plateFully welded constructionFoamed-in door PU sea..
£4,763.20
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