Worldwide adaptive multi-coil automatic transfer switch

A worldwide multi-coil automatic transfer switch (ATS), comprising:

• an input configured to be coupled to a power source including a voltage within a predetermined voltage range;
• an output;
• a low voltage main contact coupled to the input and the output;
• a high voltage main contact coupled to the input and the output and coupled in parallel with the low voltage main contact;
• a high voltage auxiliary contact coupled to the input;
• a low voltage coil coupled in series with the high voltage auxiliary contact and coupled to ground, the low voltage coil magnetically linked to the low voltage main contact;
• and
• a high voltage coil coupled to the input and ground, the high voltage coil magnetically linked to both the high voltage auxiliary contact and the high voltage main contact, wherein:
• the high voltage main contact and the high voltage auxiliary contact are configured in opposite phase,
• the high voltage coil is configured to open the high voltage auxiliary contact to disconnect the low voltage coil and close the high voltage main contact when the input is coupled to a high voltage power source, based on the predetermined voltage range, such that the ATS operates in a high voltage mode, and
• the low voltage coil is configured to close the low voltage main contact when the input is coupled to a low voltage power source, based on the predetermined voltage range, such that the ATS operates in a low voltage mode.

A method of manufacturing a multi-coil automatic transfer switch (ATS) adapted for automatically switching an appropriately rated component to render the ATS operational over a predetermined voltage range, the method comprising:

• providing an input configured to be coupled to a power source including a voltage within the predetermined voltage range;
• providing an output;
• coupling a low voltage contactor to the input and the output, the low voltage contact including a normally open low voltage main contact coupled to the input and the output and further including a low voltage coil magnetically linked with the normally open low voltage main contact;
• coupling a high voltage contactor to the input and the output, the high voltage contactor coupled in parallel with the low voltage contactor and including a normally open high voltage main contact to the input and the output and further including a high voltage coil magnetically linked with the normally open high voltage main contact;
• and
• coupling a normally closed high voltage auxiliary contact to the input and in series with the low voltage coil, the normally closed high voltage auxiliary contact coupled to ground and magnetically linked with the high voltage coil, the normally closed high voltage auxiliary contact including a phase opposite the normally open high voltage main contact, wherein:
• the high voltage coil is configured to open the normally closed high voltage auxiliary contact to disconnect the low voltage coil from the input and configured to close the normally open high voltage main contact when the input is coupled to a high voltage power source, based on the predetermined voltage range, such that the ATS operates in a high voltage mode, and
• the low voltage coil is configured to close, via the low voltage coil, the normally open low voltage main contact when the input is coupled to a low voltage power source, based on the predetermined voltage range, such that the ATS operates in a low voltage mode.