Southwire 40100001 50A Automatic Transfer Switch

Transfers to generator power automatically when energized after 30 second delay. When both shore power and generator power are available, generator dominates after a 30 second delay. Once the generator is shut down, shore power activates after a 3-4 second delay.

• Proprietary electrical interlock
• Time delay at power up
• Dual contactor arrangement
• Does NOT provide surge protection