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U546 Marathon Electric Motors
KKM Solutions is an independent parts distributor, not an authorized Marathon dealer — how we source.
Overview
Part number U546 from Marathon, listed in Electric Motors. Specifications on file: Catalog Number U546; Duty Continuous; Enclosure Type ODP; Frame 447TS. KKM Solutions quotes this part with pricing and availability confirmed per order.
Marathon U546 — Electric Motors. Specs: Catalog Number: U546 · Weight: 2544 lb. Quoted per order by KKM Solutions. Fire Pump Motor, 400 HP, 3 Ph, 60 Hz, 460 V, 447TS Frame, DP - Marathon catalog number U546 (ordering code 447TSTDCD4028). Marathon specifications: Phase: 3; Output HP: 400 Hp; Output KW: 300 kW; Voltage: 460 V; Speed: 1787 rpm; Service Factor: 1.15; Frame: 447TS; Thermal Protection: No Protection; Efficiency: 95.4 %; Ambient Temperature: 50 °C; Frequency: 60 Hz; Current: 442 A; Power Factor: 87.5; Duty: Continuous; Insulation Class: F; Design Code: B; KVA Code: G; Drive End Bearing Size: 6319; Opp Drive End Bearing Size: 6317; Enclosure: Drip Proof; UL: Listed; CSA: Y.
Specifications
| Catalog Number | U546 |
|---|---|
| Duty | Continuous |
| Enclosure Type | ODP |
| Frame | 447TS |
| Frame Material | Cast Iron |
| Frequency | 60 Hz |
| Full Load Amps | 442 A |
| Horsepower | 400 HP |
| Mounting | Rigid |
| Phase | 3 |
| Speed | 1787 RPM |
| Voltage | 460V |
| Weight | 2544 lb |
Product details
| Manufacturer | Marathon |
|---|---|
| Manufacturer part number | U546 |
| Product category | Electric Motors |
| Published specifications | 13 attributes listed |
Request a quote for this part
Email orderdesk@kkmsolutions.com or call (825) 454-5367 for pricing and availability.
Frequently Asked Questions
How much does U546 cost?
U546 is listed at CA$32,104.14 (CAD) and can be ordered directly from this page with Add to Cart. That figure is a reference price and can change: your card is authorized at checkout and charged only once our order desk confirms the part, stock, and final price, and we email you first if anything has moved. Larger quantities or custom terms — email orderdesk@kkmsolutions.com for a volume quote.
Who manufactures the U546?
U546 is made by Marathon and is listed in our Electric Motors category. KKM Solutions is an independent distributor, not an authorized Marathon dealer: we source the exact Marathon part number U546, and the quote confirms condition and lead time before you order.
Is the U546 new and genuine?
Parts we supply are new and genuine unless the quote expressly states otherwise. Where a part is new-old-stock, from excess inventory, refurbished or open-box, the quote says so before you approve it.
What warranty comes with the U546, and can I return it?
Parts we supply are warranted against manufacturing defects for 1 year from the date of delivery; where the manufacturer's own warranty is longer, the manufacturer's warranty applies. The warranty covers repair, replacement, or credit of the defective part and does not cover normal wear items, misapplication, improper installation, or consequential damages. Contact us within 30 days of delivery before returning anything — all returns need a return authorization from the order desk.
What is the lifecycle status of U546?
No published lifecycle status is on file for U546. Marathon lists whether a catalog number is current, superseded or end-of-life on its own product page, and our order desk confirms the status with the manufacturer at quote time, before you commit. Send the part number through the quote form on this page.
What are the key specifications of U546?
Key specifications include Catalog Number: U546; Duty: Continuous; Enclosure Type: ODP; Frame: 447TS. The full specification table on this page lists every published attribute for this part.
What voltage does U546 use?
Per the published specification for U546: Voltage: 460V. Confirm against the full specification table on this page, or ask our order desk to verify it with the manufacturer at quote time.
What is the power rating of U546?
Per the published specification for U546: Horsepower: 400 HP. Confirm against the full specification table on this page, or ask our order desk to verify it with the manufacturer at quote time.
How much does U546 weigh?
Per the published specification for U546: Weight: 2544 lb. Confirm against the full specification table on this page, or ask our order desk to verify it with the manufacturer at quote time.
How quickly can U546 ship?
Lead time for U546 is quoted per order and confirmed on your quote, which our order desk sends within 1 business day. For a line-down emergency, call the 24/7 order desk at (825) 454-5367.
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