Reliable 400A transfer switch for three-phase systems with outdoor-rated protection. Built tough for commercial use with a 2-year warranty and weather-resistant housing.
$2,349.00
Most orders ship within 1-2 business days when in stock. Many items ship directly from our manufacturer or authorized distribution partners (including Generac facility in Wisconsin).
Delivery timelines vary by product and location.
Estimated delivery:
Standard parcel items: typically 5-10 business days
Freight (LTL) items: delivery is scheduled and can take longer depending on appointment availability and access requirements
Tracking is emailed when your order ships. Freight carriers may call to schedule delivery.
If an item is not currently available, it may be listed as Backorder. Backordered items are ordered from the manufacturer and ship when available.
Typical backorder delivery is 5–10 business days, but lead times can vary based on manufacturer availability.
Once a special order/backorder ships, it cannot be cancelled.
Some products ship by Freight (LTL) due to weight or packaging.
Freight deliveries are:
Curbside delivery (carrier brings it to the end of the driveway or nearest safe point)
Appointment-based (carrier may contact you to schedule)
Additional carrier fees may apply for:
Residential delivery
Liftgate service
Limited access locations
Re-delivery or storage due to missed appointments
If your order requires a freight quote, we will confirm delivery details and finalize shipping costs after you put in your order. We will send the final invoice for payment once we have verified the details.
Parcel (non-freight) items: returns may be accepted within 30 days of delivery if the product is new, unused, undamaged, and in original packaging with all accessories. A Return Authorization (RA) is required. Up to a 20% restocking fee may apply. Original shipping is non-refundable. Learn more by visiting our Return Policy page.
Freight (LTL) items: final sale unless the item arrives damaged or defective.
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Expanded enclosure for 400A three-phase jobs that need more working room and conduit entry.
| Model Number: | RTSN400K3 |
| Amperage / Phase: | 400A / 3Ø |
| Dimensions (L×W×H): | 48.1″ × 30.1″ × 13.1″ |
| Unit Weight: | 133 lbs |
| Weight | 133 lbs |
|---|---|
| Dimensions | 36.1 × 24 × 10 in |
| Amps | 400A |
| Phase | Three-phase |
| Enclosure | NEMA 3R |
| Service Entrance Rated | No |
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