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400 Amp Automatic Transfer Switches

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Model Number 071111-SD is a Hot Seller
Learn More About 071111-SD
Briggs & Stratton
Briggs & Stratton By ASCO Series 285 - 400-Amp Automatic Transfer Switch (120/240V Single Phase) (Scratch & Dent)
Model: 071111-SD
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View All Scratch & Dent 400 Amp Automatic Transfer Switches
Scratch & Dent
$3,149.00
Was 
$3,199.00
SAVE $50.00
Only 1 In-Stock
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Model Number RTSW400A3 is the Number 1 Seller
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Generac
Generac 400-Amp Automatic Smart Transfer Switch w/ Power Management (Service Disconnect)
Model: RTSW400A3
57% Buy This
4.8 out of 54.8 out of 54.8 out of 54.8 out of 54.8 out of 5(4)
Q&A (2)
$2,645.00
In-Stock
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Model Number RTSC400A3 is the Number 2 Seller
Learn More About RTSC400A3
Generac
Generac 400-Amp Automatic Smart Transfer Switch w/ Power Management
Model: RTSC400A3
15% Buy This
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$1,792.00
Only 4 In-Stock
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Model Number RDT-CFNC-0400A is the Number 3 Seller
Learn More About RDT-CFNC-0400A
Kohler
Kohler RDT Series 400-Amp Outdoor Automatic Transfer Switch
Model: RDT-CFNC-0400A
5% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(1)
Q&A (2)
$1,878.00
Factory-Direct
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Model Number RTSN400G3 is the Number 4 Seller
Learn More About RTSN400G3
Generac
Generac 400-Amp Automatic Transfer Switch (120/208V)
Model: RTSN400G3
5% Buy This
Write a Review
Ask a Question
$1,930.00
Factory-Direct
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Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
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Model Number RTSN400K3 is the Number 5 Seller
Learn More About RTSN400K3
Generac
Generac 400-Amp Automatic Transfer Switch (277/480V)
Model: RTSN400K3
5% Buy This
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$2,175.00
Factory-Direct
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Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
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Learn More About A040C971
Cummins Power Generation
Cummins OTEC400 - 400-Amp PowerCommand® Outdoor Automatic Transfer Switch (120/240V 3-Phase)
Model: A040C971
3% Buy This
Write a Review
Ask a Question
$2,920.00
Factory-Direct
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Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
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Learn More About RDT-CFNC-0400ASE
Kohler
Kohler RDT Series 400-Amp Automatic Transfer Switch (Service Disconnect)
Model: RDT-CFNC-0400ASE
3% Buy This
Write a Review
Q&A (1)
$2,716.00
Factory-Direct
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Free Shipping & Lift Gate
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
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Learn More About A040C974
Cummins Power Generation
Cummins OTEC400 - 400-Amp PowerCommand® Indoor Automatic Transfer Switch
Model: A040C974
2% Buy This
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$2,550.00
Factory-Direct
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Free Shipping & Lift Gate
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
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Learn More About A040C975
Cummins Power Generation
Cummins OTEC400 - 400-Amp PowerCommand® Outdoor Automatic Transfer Switch
Model: A040C975
2% Buy This
Write a Review
Ask a Question
$2,920.00
Factory-Direct
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Free Shipping & Lift Gate
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
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Learn More About A040C970
Cummins Power Generation
Cummins OTEC400 - 400-Amp PowerCommand® Outdoor Automatic Transfer Switch (120/208V)
Model: A040C970
2% Buy This
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$2,920.00
Factory-Direct
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Free Shipping & Lift Gate
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Add To Cart
Learn More About A050W853
Cummins Power Generation
Cummins RA-400-SE - 400-Amp Outdoor Automatic Transfer Switch For RS/RX Series Generators (Service Disconnect)
Model: A050W853
2% Buy This
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$2,699.00
Factory-Direct
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Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
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Learn More About 71057
Briggs & Stratton
Briggs & Stratton 400-Amp Split Service Automatic Transfer Switch + AC Shedding (Service Disconnect)
Model: 71057
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(1)
Ask a Question
$2,099.00
Factory-Direct
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Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Add To Cart
Learn More About RXT-JFNC-0400ASE
Kohler
Kohler RXT Series 400-Amp Outdoor Automatic Transfer Switch (Service Disconnect)
Model: RXT-JFNC-0400ASE
4.0 out of 54.0 out of 54.0 out of 54.0 out of 54.0 out of 5(1)
Ask a Question
$2,672.00
Factory-Direct
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Free Shipping & Lift Gate
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Add To Cart
Learn More About 071111
Briggs & Stratton
Briggs & Stratton By ASCO Series 285 - 400-Amp Automatic Transfer Switch (120/240V Single Phase)
Model: 071111
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Ask a Question
$3,199.00
Factory-Direct
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Free Shipping
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Add To Cart
Learn More About 071112
Briggs & Stratton
Briggs & Stratton By ASCO Series 285 - 400-Amp Automatic Transfer Switch (120/208V 3-Phase)
Model: 071112
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$3,199.00
Factory-Direct
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Free Shipping
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
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Learn More About 071113
Briggs & Stratton
Briggs & Stratton By ASCO Series 285 - 400-Amp Automatic Transfer Switch (120/240V 3-Phase)
Model: 071113
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$3,199.00
Factory-Direct
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Free Shipping
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Add To Cart
Learn More About 071115
Briggs & Stratton
Briggs & Stratton By ASCO Series 285 - 400-Amp Automatic Transfer Switch (277/480V 3-Phase)
Model: 071115
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$3,199.00
Factory-Direct
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Free Shipping
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Add To Cart
Learn More About A040C967
Cummins Power Generation
Cummins OTEC400 - 400-Amp PowerCommand® Indoor Automatic Transfer Switch (120/240V 3-Phase)
Model: A040C967
Write a Review
Ask a Question
$2,550.00
Factory-Direct
Freight Icon
Free Shipping
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Add To Cart
Learn More About A040C966
Cummins Power Generation
Cummins OTEC400 - 400-Amp PowerCommand® Indoor Automatic Transfer Switch (120/208V)
Model: A040C966
Write a Review
Ask a Question
$2,550.00
Factory-Direct
Freight Icon
Free Shipping & Lift Gate
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Add To Cart
Learn More About A040C969
Cummins Power Generation
Cummins OTEC400 - 400-Amp PowerCommand® Indoor Automatic Transfer Switch (277/480V 3-Phase)
Model: A040C969
Write a Review
Ask a Question
$2,550.00
Factory-Direct
Freight Icon
Free Shipping & Lift Gate
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Add To Cart
Learn More About A040C972
Cummins Power Generation
Cummins OTEC400 - 400-Amp PowerCommand® Outdoor Automatic Transfer Switch (277/480V 3-Phase)
Model: A040C972
Write a Review
Ask a Question
$2,920.00
Factory-Direct
Freight Icon
Free Shipping & Lift Gate
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Add To Cart
Learn More About A050W633
Cummins Power Generation
Cummins RA-400-NSE - 400-Amp Outdoor Automatic Transfer Switch For RS/RX Series Generators
Model: A050W633
Write a Review
Ask a Question
$1,699.00
Factory-Direct
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Free Shipping
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Add To Cart
Learn More About RTSK400A3
Honeywell
Honeywell™ 400-Amp SYNC™ Smart Automatic Transfer Switch w/ Power Management
Model: RTSK400A3
Write a Review
Ask a Question
$1,799.00
Factory-Direct
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Free Shipping & Lift Gate
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Add To Cart

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