Technology Research 40100001 Surge Guard 50 Amp Automatic Transfer Switch

The Technology Research 40100001 Surge Guard Automatic Transfer Switch is a basic 50-amp hardwired transfer switch designed for RV and marine applications. This essential power management device automatically switches between shore power and generator power, ensuring uninterrupted electrical service to your recreational vehicle or boat.

Key Features:

• 50 amp capacity, 120/240V AC operation at 60 Hz
• Automatic transfer to generator power after 30-second delay when energized
• Generator-dominant configuration: when both power sources are available, generator takes priority after 30-second delay
• Fast switchback to shore power within 3-4 seconds when generator shuts down
• Mechanical interlocking contactors prevent simultaneous engagement of both power sources
• Hardwired installation for permanent RV or marine mounting
• Black finish

This basic model provides reliable automatic switching functionality without additional surge protection or diagnostic features found in premium models. The time-delay feature prevents rapid switching and allows generators to stabilize before transferring load. Compatible with standard RV and marine electrical systems, this transfer switch is also cross-referenced as Winnebago Industries part number 189995-01-000. Backed by a one-year manufacturer warranty on materials and workmanship when properly installed.