Manual transfer switches, without the backfeed risk A manual transfer switch lets you run selected circuits from a portable or standby generator without ever paralleling the generator with the utility. The operator connects the generator, then physically moves the switch from UTILITY to GENERATOR. That mechanical separation is the whole safety case: it makes backfeeding…
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Vendor:Reliance
MPN: REL-310A
Regular price $466.13 USDRegular priceUnit price per -
Vendor:Generac
MPN: GAP-P2-GENERACGNC633360AMPG
−2%Pallet of 10Regular price $166.99 USDRegular priceUnit price per$169.99 USDSale price $166.99 USDAvailable to orderExpected ship Nov 23 – Dec 07SaleIn Stock -
Vendor:Generac
MPN: GAP-P2-GENERACGNC6334100AMP
−1%Pallet of 10Regular price $226.99 USDRegular priceUnit price per$229.99 USDSale price $226.99 USDAvailable to orderExpected ship Nov 23 – Dec 07SaleIn Stock -
Vendor:Reliance
MPN: 310CDKN
−19%Pallet of 10-19%Regular price $536.00 USDRegular priceUnit price per$661.20 USDSale price $536.00 USDAvailable to orderLead time confirmed at checkoutSaleIn Stock -
Vendor:MidNite Solar
MPN: GAP-MIDNITESOL-MIDNITESOLAR60A
−1%Pallet of 10Regular price $157.41 USDRegular priceUnit price per$159.00 USDSale price $157.41 USDIn stockExpected ship Nov 10 – 11SaleIn Stock -
Vendor:Generac
MPN: GAP-GENERAC-GENERAC685230AM
Pallet of 10Regular price $379.99 USDRegular priceUnit price per -
Vendor:Generac
MPN: GAP-GENERAC-GENERAC685330AM
Pallet of 10Regular price $429.99 USDRegular priceUnit price per -
Vendor:Generac
MPN: GAP-GENERAC-GENERAC985550AM
Pallet of 10Regular price $799.99 USDRegular priceUnit price per -
Vendor:Generac
MPN: GAP-GENERAC-GENERAC685430AM
Pallet of 10Regular price $459.99 USDRegular priceUnit price per -
Vendor:Generac
MPN: GAP-GENERAC-GENERAC985450AM
Pallet of 10Regular price $619.99 USDRegular priceUnit price per -
Vendor:Generac
MPN: PES-SPS-SOL-6536
Pallet of 30Regular price $103.31 USDRegular priceUnit price per -
Vendor:Generac
MPN: PES-PA-ELC-1803
Regular price $226.99 USDRegular priceUnit price per -
Vendor:Generac
MPN: PES-PA-ELC-1802
Regular price $166.99 USDRegular priceUnit price per
About Manual Transfer Switches
Manual transfer switches, without the backfeed risk
A manual transfer switch lets you run selected circuits from a portable or standby generator without ever paralleling the generator with the utility. The operator connects the generator, then physically moves the switch from UTILITY to GENERATOR. That mechanical separation is the whole safety case: it makes backfeeding the grid impossible when the switch is installed and used correctly.
This collection carries 14 manual switches and panels, with Generac and Reliance well represented and pricing from roughly $100 to $800 depending on ampacity and circuit count.
How to size and choose
- Circuit count drives the panel choice. A 6-10 circuit panel covers a furnace, well pump, refrigerator and a few lighting circuits; a 10-16 circuit panel is the usual choice for a whole-home portable setup.
- Match the inlet to the generator's receptacle. A 30A twist-lock generator outlet pairs with a 30A inlet; a 50A outlet needs a 50A inlet and the right conductor size. Mismatched inlets are the most common ordering error.
- Indoor vs outdoor. NEMA 1 panels mount indoors near the main panel; NEMA 3R enclosures are required for exterior mounting and coastal installs should consider 4X.
- Manual vs automatic. Manual is the honest answer for portable generators - nobody wants to leave a portable unit running unattended. Automatic transfer switches exist for permanently installed standby generators.
Installation and code
Installation is a licensed electrician job: the switch must be fed from a dedicated breaker in the main panel, the selected circuits move to the transfer panel, and the neutral and grounding arrangement must follow NEC Article 702 and the manufacturer's listing. A permit is normally required, and the inspector will want the switch listing, the generator receptacle type and the load calculation.
Ordering
Tell us the generator model and outlet type plus the circuits you want to keep alive, and the quote desk will confirm the panel, inlet and conductor package. Freight is quoted against your ZIP; panels ship parcel.