U251 Marathon General Purpose AC Motors
KKM Solutions is an independent parts distributor, not an authorized Marathon dealer — how we source.
Overview
Part number U251 from Marathon, listed in General Purpose AC Motors. Specifications on file: Catalog Number U251; Duty Continuous; Enclosure Type ODP; Frame 405TS. KKM Solutions quotes this part with pricing and availability confirmed per order.
Feature Meets or exceeds all USA mandated efficiencies UL recognized, CSA certified and CE mark Motors are suitable for 10:1 VT General Purpose Motor, 150 & 150 HP, 3 Ph, 60 & 50 Hz, 460 & 380 V, 3600 & 3000 RPM, 405TS Frame, DP - Marathon catalog number U251 (ordering code 405TSTDS6007). Marathon specifications: Phase: 3; Output HP: 150 & 150 Hp; Output KW: 112.0 & 112.0 kW; Voltage: 460 & 380 V; Speed: 3565 & 2955 rpm; Service Factor: 1.15 & 1.15; Frame: 405TS; Thermal Protection: NOT; Efficiency: 95 & 93.6 %; Ambient Temperature: 40 °C; Frequency: 60 & 50 Hz; Current: 165 & 202 A; Power Factor: 89.5; Duty: CONTINUOUS; Insulation Class: F1; Design Code: B; KVA Code: F; Drive End Bearing Size: 6313; Opp Drive End Bearing Size: 6313; Enclosure: DP; UL: V-INS, CONST UL REC; CSA: Y.
Specifications
| Catalog Number | U251 |
|---|---|
| Duty | Continuous |
| Enclosure Type | ODP |
| Frame | 405TS |
| Frame Material | Cast Iron |
| Frequency | 60 Hz |
| Full Load Amps | 165 A |
| Horsepower | 150 HP |
| Model | 405TSTDS6007 |
| Mounting | Rigid |
| Phase | 3 |
| Product Line | XRI General Purpose |
| Speed | 3600 RPM |
| Voltage | 460V |
| Weight | 1075 lb |
Product details
| Manufacturer | Marathon |
|---|---|
| Manufacturer part number | U251 |
| Product category | General Purpose AC Motors |
| Published specifications | 15 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 U251 cost?
U251 is listed at CA$11,229.80 (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 U251?
U251 is made by Marathon and is listed in our General Purpose AC Motors category. KKM Solutions is an independent distributor, not an authorized Marathon dealer: we source the exact Marathon part number U251, and the quote confirms condition and lead time before you order.
Is the U251 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 U251, 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 U251?
No published lifecycle status is on file for U251. 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 U251?
Key specifications include Catalog Number: U251; Duty: Continuous; Enclosure Type: ODP; Frame: 405TS. The full specification table on this page lists every published attribute for this part.
What voltage does U251 use?
Per the published specification for U251: 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 U251?
Per the published specification for U251: Horsepower: 150 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 U251 weigh?
Per the published specification for U251: Weight: 1075 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 U251 ship?
Lead time for U251 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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