Jackery Smart Transfer Switch 120V 240V UPS Backup Solar Integration

Jackery Smart Transfer Switch STS 120V/240V~ 60Hz

Free shipping to the 48 states. We also ship to PR, HI, AK, VI, Guam, and Saipan — message us for a quote.  

If you don’t see the power station brand or model you need, message us.
We can often create a private listing for you at a great price!

Warranty Information

Full factory warranty applies to all customers, including island locations. 
The only exception is warranty shipping to and from island locations, which is not included.
We offer a low‑cost 5‑year Replacement Shipping Protection plan that covers those shipping costs.

SKU: 21-0006-000117
UPC: 810105528824
Dimensions: 7.87" x 22" x 14.7"
Weight: 25.57 Lbs

The Jackery Smart Transfer Switch STS 120V/240V~ 60Hz is designed to seamlessly integrate compatible Jackery whole home backup systems with your residential electrical panel. Manufactured by Jackery, this smart transfer switch enables safe, efficient, and automatic switching between utility power and backup power during outages.

Seamless Backup Power Integration

The Smart Transfer Switch allows your Jackery power station to supply selected home circuits when grid power fails. It automatically detects outages and transitions your designated loads to backup power, helping maintain comfort and safety without manual intervention.

When grid power is restored, the system smoothly switches back to utility power.

120V and 240V Compatibility

With support for 120V and 240V at 60Hz, this transfer switch is suitable for a wide range of residential circuits. It enables backup support for essential appliances such as refrigerators, freezers, lighting circuits, internet routers, sump pumps, and other priority loads.

This flexibility makes it an important component for building a reliable whole home backup solution.

Intelligent Power Management

The Smart Transfer Switch works in coordination with compatible Jackery power stations to optimize load distribution and protect connected circuits. It helps prevent overload conditions and ensures efficient use of available battery capacity.

Its intelligent design contributes to stable performance during both short term outages and extended power interruptions.

Professional Installation Ready

Designed for integration with residential breaker panels, the Smart Transfer Switch is built for clean installation and long term reliability. It is recommended that installation be performed by a qualified electrician to ensure proper configuration and compliance with local electrical codes.

The compact enclosure allows for organized mounting near your main service panel.

Enhanced Safety and Protection

Safety is central to the Smart Transfer Switch design. It provides isolation between grid power and backup power, reducing risk and ensuring safe operation during transitions.

Durable construction and high quality internal components support dependable performance in residential environments.

Ideal Applications

Whole home backup integration
Critical circuit backup management
Emergency preparedness systems
Residential energy resilience upgrades
Off grid and hybrid energy systems

Frequently Asked Questions

• Does the Smart Transfer Switch work with all power stations?
It is designed for use with compatible Jackery whole home backup models. Always verify compatibility before installation.

• Is professional installation required?
Yes, installation by a licensed electrician is strongly recommended to ensure safety and compliance with electrical codes.

• Can it power the entire home?
It powers selected circuits that are connected through the transfer switch. The number of supported circuits depends on system capacity and configuration.

• Does it switch automatically during an outage?
Yes, it is designed to detect grid failure and automatically transfer selected loads to backup power.