Cummins/Onan

RA412N3 400 AMP AUTOMATIC TRANSFER SWITCH

Name: RA412N3 400 AMP AUTOMATIC TRANSFER SWITCH
Brand: Cummins/Onan
SKU: C021 A050W633
Price: 2514.84 USD
Availability: InStock

$2,514.84

SKU: C021 A050W633

In Stock

Ships by Jun 7

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Non-Returnable Item

DIY PRO SHOP

Moderate — 2–4 hours

Description

The Cummins RA Series Automatic Transfer Switch, MPN A050W633, is a 400-amp, 120/240V single-phase, NEMA3R rated switch compatible with Cummins liquid-cooled RS Series and RX Series generators for residential and light commercial standby power systems.

Fitment

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Specifications

Brand	Cummins/Onan
Part Number	C021 A050W633

Videos

Automatic Transfer Switch - ATS 101

Automatic Transfer Switches (ATS) for Generator Backup | nooutage.com

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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