Technology Research 40141001 50 Amp Automatic Transfer Switch with Reverse Polarity Protection

The Technology Research 40141001 is a generator-dominant automatic transfer switch designed for RV applications, providing reliable power transfer between shore power and generator sources. This UL-listed 50 amp, 120/240 volt unit features reverse polarity and open ground protection to safeguard your electrical system.

Key Features:

• Dual 50 amp rated contactors with mechanical interlocking design prevent both contactors from engaging simultaneously
• LED indicator provides visual notification of reverse polarity and open ground conditions when on shore power
• Automatic generator-dominant operation transfers to generator power after 30 second delay when both sources are available
• Time delay at power up: 3-4 seconds for shore power, 30 seconds for generator
• Durable plastic enclosure resists corrosion and eliminates risk of energized metal housing
• 60 Hz frequency rating suitable for RV and recreational vehicle applications

This hardwired transfer switch is designed for permanent installation and connects directly to your power distribution panel. Note that this model does not provide surge protection. The rugged construction and reliable contactors ensure safe, hassle-free power management for your RV electrical system.