Patent ID: 11869733
Assignee: ALPHA TECHNOLOGIES LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 16:
17. A power transfer switch for transferring a load between a utility and an uninterruptible power supply, comprising:
a displaceable linkage for abutting a first breaker that selectively connects or disconnects said load from said utility and a second breaker that selectively connects or disconnects said load from said uninterruptible power supply, displacement of said linkage causing abutment of said linkage against said first and second breakers to toggle said first and second breakers between a connected state and a disconnected state;
a compression spring mounted in a bi-stable over center configuration between a handle and said linkage so as to exert a driving force on said linkage when said linkage is displaced past a fulcrum point;
a handle for compressing said compression spring;
a releasable latch configured to selectively restrain said linkage from displacement; and,
a controller for controlling the release of said latch.