Alternators
Parts knowledge
About Alternators
Alternators, also called alternating relays, distribute control demand between two compatible compressor or pump motor circuits. Alternating the lead unit can help balance runtime, reduce uneven wear, and support orderly operation in duplex systems.
Choose an alternator by control voltage, contact arrangement, mounting style, and the electrical requirements of the starter circuits it will control. Confirm the system wiring and sequence of operation before replacement or installation.