Southwire Automatic transfer switch 50A

SOUTHWIRE 50A Automatic Transfer Switch - Model 40100

Ensure seamless and reliable power management in your recreational vehicle with the SOUTHWIRE 50A Automatic Transfer Switch. As a critical component in the Electronics and Electrical Connections category, this device is expertly engineered to provide safe, automated switching between two separate 120/240V AC power sources, such as shore power and an onboard generator. Eliminate the hassle and potential danger of manually switching power cords; this robust transfer switch handles the transition for you, guaranteeing uninterrupted power for your appliances and sensitive electronics.

Designed for the demanding environment of RVs, marine applications, and mobile power systems, this automatic switch prioritizes safety and equipment protection. It intelligently defaults to the generator as the primary power source when it is running. This prevents accidental back-feeding to the shore power grid, a critical safety feature that protects line workers and your equipment. The switch also incorporates a mechanical interlock system, making it physically impossible for both power sources to be connected simultaneously, thus preventing dangerous power clashes and potential damage to your entire electrical system.

Key Benefits:

* Uninterrupted Power Flow: Experience a smooth and automatic transition between shore power and your generator, ensuring your lights, air conditioning, and appliances continue to run without interruption or the need for manual intervention.
* Enhanced Electrical Safety: Protects your valuable onboard electronics and appliances from power surges during source transfers. The unit is designed to prevent the dangerous feedback of generator power into the shore power line.
* Effortless Operation: Once installed, the switch operates completely automatically. It senses when the generator is active and performs the power transfer, providing true set-it-and-forget-it convenience for your power management needs.
* Prolonged Appliance & Generator Life: A built-in time delay feature allows the generator to warm up and stabilize its voltage output before the electrical load is applied. This "soft start" protects sensitive electronics and reduces strain on your generator´s engine.
* Durable and Reliable Construction: Built with heavy-duty components designed to handle the rigors of the road and continuous high-amperage demand, ensuring long-lasting and dependable performance.

Main Features:

* High-Capacity 50 Amp Switching Capability
* Automatic Power Source Detection and Switching
* Generator Dominant Operation
* Integrated Time Delay for Generator Stabilization
* Heavy-Duty Mechanical Relay Switch System
* Protective Mechanical Interlocking Feature
* Designed for Hardwire Installation
* Robust and Compact Enclosure

Technical Specifications:

* Product Type: Automatic Transfer Switch
* Attribute: Switch
* Amperage Rating: 50A
* Voltage Rating: 120/240V AC
* Frequency: 60 Hz
* Manufacturer: ‎Technology Research
* Part number: ‎40100
* Item Weight: ‎2.72 kg
* Product Dimensions: ‎34.29x23.19x15.24 cm
* Certifications: Conforms to UL Std. 1008