30 amp automatic transfer switch for 120V RV shore power and generator power systems. Provides generator-dominant automatic switching with reverse polarity and open ground protection, LED indication, mechanical interlocking contactors, and time delay at power-up.
The Southwire 41301 is a 30 amp automatic transfer switch designed for RVs with a 120V shore power source and onboard generator. It automatically transfers the RV’s AC power source between shore power and generator power, helping simplify power source management in compatible RV electrical systems.
This model is generator dominant. When both shore and generator power are available, it transfers to generator power after a 30-second delay. When the generator shuts down, it returns to shore power after approximately 3-4 seconds.
Switches between RV shore power and generator power automatically
Designed for 30 amp RV electrical systems using 120V AC service
Provides reverse polarity and open ground protection
Includes LED indication for reverse polarity and open ground protection
The Southwire 41301 is commonly used in RVs with a 30 amp shore power system and onboard generator. It is intended for hardwired installation between the shore power input, generator output, and RV main AC distribution panel. This model is an automatic transfer switch, not a manual switch, adapter, transformer, or surge protector.
• One Southwire 41301 30 amp reverse polarity automatic transfer switch • Installation documentation as supplied by manufacturer
This transfer switch is hardwired between the RV’s shore power input, generator output, and main AC distribution panel. Verify 30 amp service rating, 120V wiring, conductor size, neutral/ground routing, generator compatibility, enclosure space, and strain relief requirements before installation. This model includes reverse polarity and open ground protection but does not include surge protection. If surge, low/high voltage, open neutral, miswired pedestal, or full EMS-style protection is needed, use a separate surge/EMS device or choose a Southwire model that specifically includes those protections.
Transfer switch installation involves 120V AC power, shore power, generator power, high-current wiring, neutral/ground routing, and RV electrical code requirements. Installation should be performed by a qualified RV technician or electrician familiar with 30 amp RV electrical systems. Disconnect shore power, generator power, inverter power, and battery power before servicing.
The Southwire 41301 is a 30 amp, 120V automatic RV transfer switch with reverse polarity and open ground protection. It is not a manual switch and does not provide surge protection. Verify service rating, generator compatibility, protection needs, mounting space, and wiring before ordering.