Generac RTSN400J3: Specs & Datasheet

Generac RTSN400J3: Specs & Datasheet

MPN: RTSN400J3

The Generac RTSN400J3 is listed under automatic transfer switches in the Generac catalog at Portlandia Electric Supply. Contractors and buyers searching “RTSN400J3” for specifications or the datasheet land here: below are the published specifications we have on file for this exact part number, plus compatibility and sourcing notes.

Specifications

Manufacturer Generac
MPN RTSN400J3
Specification Title Specification Value
Rated Voltage 240/480 VAC
Phase Three Phase
Maximum Current 400 Amps
Enclosure Type Weather Resistant
Weight Approx. 150 lbs
Dimensions 34 x 28 x 12 inches
Transfer Time Less than 10 seconds
Warranty 5 Years Limited
Brand Generac
Model Number RTSN400J3
Amperage 400 (vendor listing)

Compatible With / Used In

  • Automatic Transfer Switches  applications — manufacturer-listed product category for this part number
  • Exact part-number replacements — this page covers MPN RTSN400J3 only — confirm the full part number on your unit, quote, or datasheet before ordering
  • Contractor and installer sourcing — quantity pricing and nationwide shipping from Portlandia Electric Supply — call (502) 790-0600

Datasheet Availability

Generac publishes datasheets and installation documents through its official website. For the RTSN400J3 datasheet PDF specifically, call (502) 790-0600 and we will include it with your quote.

● In stock at PES Supply → In stock at Portlandia Electric Supply — ships nationwide with quantity pricing for installers.
View the RTSN400J3 product page →Get a quote →
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Frequently Asked Questions

What are the specs of the Generac RTSN400J3?

Key published specs — Specification Title: Specification Value; Rated Voltage: 240/480 VAC; Phase: Three Phase; Maximum Current: 400 Amps. The full specification table above lists every value we have on file; values marked “vendor listing” are from our supplier feed and pending manufacturer verification.

Where can I get the RTSN400J3 datasheet?

Generac publishes datasheets and installation documents through its official website. For the RTSN400J3 datasheet PDF specifically, call (502) 790-0600 and we will include it with your quote.

Is the Generac RTSN400J3 in stock?

Yes — in stock at Portlandia Electric Supply with nationwide shipping. Call (502) 790-0600 for pricing and lead time.

How do I make sure the RTSN400J3 is the right part?

Match the full part number RTSN400J3 exactly against your unit, quote, or existing datasheet — part-number families differ in ratings. Call (502) 790-0600 and our team will verify it before you order.

Specifications sourced from the manufacturer listing data maintained by Portlandia Electric Supply. Where a value is not published, it is marked as such — we do not estimate specifications. Questions: call (502) 790-0600. Portlandia Electric Supply, Louisville, KY — 12+ US distribution hubs.