Automatic Generator Transfer Switch, 125A 120V 3 Pole Transfer Switch for Generator Backup Power & RVs, LED Display, Priority Phase Selectable, Over/Under Voltage Protection, DIN Rail Mount
【Seamless Generator Power Transfer】:This generator transfer switch offers 3 pole Automatic Switching, seamlessly transferring loads between your Primary, Backup 1, and Backup 2 power sources during outages, voltage irregularities, or sags. It’s the reliable automatic transfer switch for home backup power, ensuring continuous operation and automatically reverting to the preferred source once stable.
【Built-In Safety & Protection】:Designed as a durable transfer switch, it incorporates advanced electrical protection—including Overvoltage (140V max), Undervoltage (90V min), and Overcurrent (125A max) safeguards—to shield your appliances and systems from damage caused by unstable grid or generator power.
【Smart & Flexible Power Management】:With flexible phase priority settings, you can designate any input as Primary, optimizing for cost or reliability. The programmable energy-saving timer (1–999s) allows automatic shutdown during off-hours, reducing standby power consumption. Ideal as an RV transfer switch or for residential backup setups.
【Clear Real-Time Monitoring】:An intuitive LED display shows live voltage levels for all three sources, with instant status indicators for active source, transfer events, and faults. Stay informed and in control of your power system at a glance.
【Easy Installation & Compact Build】:Engineered for quick DIN rail installation, this space-saving transfer switch is rated for 125A (150A max) at AC 110V and built for a 10⁶-operation mechanical lifespan. Install in minutes and enjoy reliable transfer switch for home generator, RV, or backup generator use.
Overview
Operation Mode : ON-OFF-ON
Current Rating : 125 Amps
Operating Voltage : 120 Volts
Contact Type : Normally Closed
Connector Type : Plug In
Brand : MARSTEK
Switch Type : Transfer Switch
Terminal : Screw
Material : Plastic
Item dimensions L x W x H : 3.8 x 3.5 x 2.6 inches
Shipping takes place within 3-5 business days. If there is a problem with the shipment of the product, we will notify you via the email address you entered when ordering.
🌿 Is free shipping available?
We do not currently offer free shipping. However, this may be added at some point. We apologize.
🌿 How can I get a tracking number for my order?
If your order has been shipped, we will add the tracking number to your order and notify you via the email address you entered when ordering.
🌿 How do I process a return or exchange?
For returns or exchanges, please contact us within 14 days of receiving the product, along with a receipt or screenshot of the purchase, and a photo of the product with the packaging or tag intact.
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