Transfer Switches A transfer switch provides reliable control of electrical power source selection between utility supply and backup generation. Designed for residential, commercial, and light industrial applications, these switches simplify transfer of critical loads while supporting a range of equipment and installation types. Key benefits Automatic and manual operation options to match application needs and user preferences. Eliminates manual generator connection steps by switching loads to backup power when utility power is unavailable. Prevents backfeed into the utility line through dedicated switching mechanisms that separate sources during transfer. Supports load management and selective transfer to prioritize essential circuits and reduce generator sizing requirements. Compact footprint and modular designs fit common electrical enclosures and panels, easing retrofits and installations. Core features and attributes Function: Transfers electrical load between two power sources with options for delayed transfer, programmed timers, and automatic sensing on automatic models. Compatibility: Available for single phase and three phase systems and a variety of voltage and current ratings to suit homes, businesses, and jobsite equipment. Compatible with most standby generators and utility connections when matched to system specifications. Size and form factor: Offered in compact and panelmount configurations as well as larger enclosure models for higher capacity installations. Material and construction: Rugged metallic enclosures and durable switching contacts designed for frequent operation and long service life. Performance: Designed to provide consistent make and break switching under load, with clear indicators or status outputs for integration with monitoring systems and control panels. Common applications Home backup power: Automatically restore power to selected circuits during an outage to keep refrigerators, heating controls, and lighting operational. Small business continuity: Maintain critical equipment such as point of systems, refrigeration, or security systems while utility power is interrupted. Construction and temporary sites: Simplify transfer between site generators and utility power for tools, lighting, and temporary facilities. Installation and operation notes Select the model that matches system voltage, phase, and current rating. Confirm compatibility with the generator control and the service panel layout. Automatic models require connection to the generator start circuit and meter or sensor inputs for source sensing. Manual models require a simple mechanical switch operation. Maintain clear labeling of transferred circuits and follow local electrical codes and installer guidelines for safe wiring and grounding. Why use a transfer switch A transfer switch provides controlled, reliable transfer of power sources while enabling selective load management and preventing unintended connection between sources. It streamlines backup power use and simplifies operation for residential, commercial, and temporary power applications.