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Most orders ship within 1–2 business days via UPS. Larger equipment ships via freight carrier, and customers can use the shipping estimator on the product page for a location-specific quote. Local pickup is also available at the Fairfield, IL facility, typically ready within 4 hours.

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MRO Exchange accepts all major credit cards, PayPal, and Shop Pay. Purchase order and wire transfer payment is also available, with payment due prior to shipment. Custom terms are available for established accounts.

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Miller TIG Welder Syncrowave 351 350 Amp 200/230/460V 1 Phase

$3,499.00 USD

Sale Sold out

ConditionSurplus - Untested MPNSyncrowave 351 Stock #Stock # 0626-01841

Photos reflect current condition. Items differing from description may be eligible for return or refund — see our condition guide.

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Product Specifications

Manufacturer: Miller Electric Mfg. Co.
MPN / Model: Syncrowave 351 903219
Product Type: CC AC/DC Welding Power Source
Serial Number: KF863240
Input Voltage: 200/230/460V
Phase: 1
Frequency: 60 Hz
Input Amperes: 151/131/67A
Power: 17.4 kW
Rated Output: 300A at 32V, 60 percent duty cycle (NEMA Class I); 350A at 34V, 40 percent duty cycle (NEMA Class II)
Welding Range AC/DC: 3 to 400A
Maximum OCV: 80V

Product Description

This Miller Syncrowave 351 is a CC AC/DC welding power source identified by nameplate model Syncrowave 351 and stock number 903219, serial number KF863240. It is a single phase unit rated for 200, 230, or 460 volt input, delivering 300A at 32V on a 60 percent duty cycle or 350A at 34V on a 40 percent duty cycle, with a welding range of 3 to 400A and a maximum open circuit voltage of 80V. The unit is paired with a Miller Coolmate 4 water coolant system for torch cooling, along with a cart, torch leads, and coiled hose sets shown in the listing photos. Confirmed identifiers include the nameplate serial number and Miller stock number, both useful for buyers matching an exact replacement or spare unit. Buyers sourcing a Syncrowave 351 for TIG or stick welding applications can use the MPN 903219 to confirm compatibility against their existing equipment or purchasing requirements.

Stock # 0526-01841

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Frequently Asked Questions

Shipping & Handling

Most orders ship within 1–2 business days via UPS, but expedited same-day handling is available as an add-on to orders in cart. Larger equipment ships via freight carrier. Use the shipping estimator above for a location-specific quote. Local pickup is also available at our Fairfield, IL facility, typically ready within 4 hours.

Returns & Condition

All items are sold as-described based on the photos and condition listed. If an item arrives differing from its description, it may be eligible for return or refund. See our full condition guide for details on our grading terms.

Payment Options

We accept all major credit cards, PayPal, and Shop Pay. Purchase order and wire transfer payment is also available by selecting "Purchase Order / Wire Transfer" at checkout. Payment is due prior to shipment. Contact us for custom terms on established accounts. Tax exemptions are honored if proper documentation is provided.