Technical Guides

Compact DIN-rail ATS buyer guide When buying a compact automatic transfer switch, checking only “63A” or “2P / 4P” is not enough. A B2B buyer should confirm what the ATS…

Generator Backup ATS Guide An ATS generator backup system has two separate jobs that are often confused: the generator must become an available backup power source, and the automatic transfer…

Compact ATS Bulk Buying Guide Automatic transfer switch prices vary widely because the term “ATS” covers very different products. This guide focuses specifically on compact DIN-rail automatic transfer switches such…

IEC 60947-6-1 ATS Buyer Verification Guide IEC 60947-6-1 is the principal IEC product standard for transfer switching equipment used to transfer a load between power sources. For an ATS buyer,…

Automatic transfer switch sizing starts with the current that will actually pass through the ATS, but it does not end there. A reliable selection must also consider maximum demand, continuous…

Choosing a 3P or 4P automatic transfer switch for a three-phase system is mainly a neutral and earthing decision, not a voltage-label decision. A 380 V, 400 V or 415…

An automatic transfer switch wiring diagram for a generator panel should make three power connections immediately clear: the utility or normal source, the generator or emergency source, and the common…

ATS Working Principle & Sequence of Operation An automatic transfer switch does more than move electrical contacts from one power source to another. In a generator-backed system, the ATS must…

An automatic transfer switch for a generator backup system should not be selected as an isolated switch. The ATS must match the utility source, generator output, generator controller, backed-up load,…

B2B Automatic Transfer Switch Sourcing & OEM Guide If you are looking for an automatic transfer switch manufacturer, ATS factory or long-term ATS supplier, the first question is not simply…