Automatic Transfer Switches

Automatic Transfer Switches

This collection covers Automatic Transfer Switches for circuit switching, source selection and power distribution. Switching and distribution products route power from a source to individual circuits. Their suitability depends on whether the circuit is AC or DC, the switched voltage and current, and how the device is mounted and labelled. Products shown together may differ in function and specification; the collection is a starting point for comparison rather than a statement that every item suits the same system.

Comparing switching ratings

Compare AC or DC voltage rating, switched current, pole and position count, changeover behaviour, illumination, panel cut-out and terminal format. Confirm whether a device isolates, selects or simply switches a circuit before treating two items as alternatives.

Laying out circuits and sources

List each source and circuit, its expected current and the protection that will sit upstream. Allow for panel space, labelling, cable entry and service access, and follow the individual product documentation for wiring and mounting.

A circuit schedule showing sources, switched loads and panel positions keeps selection consistent across repeat installations. Confirm model-specific ratings, inclusions and installation instructions on the individual product page before final selection. Keep the selected product reference with the system or equipment record for later technical review.