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U353B Marathon Electric Motors
KKM Solutions is an independent parts distributor, not an authorized Marathon dealer — how we source.
Overview
Part number U353B from Marathon, listed in Electric Motors. Specifications on file: Catalog Number U353B; Duty Continuous; Enclosure Type TEFC; Frame 256JM. KKM Solutions quotes this part with pricing and availability confirmed per order.
Feature Meets or exceeds all USA mandated efficiencies Division 2 / zone 2 class 1 (gases), groups A, B, C, D NEMA JM pump shaft dimensions Suitable for use on a VFD.
Specifications
| Catalog Number | U353B |
|---|---|
| Duty | Continuous |
| Enclosure Type | TEFC |
| Frame | 256JM |
| Frame Material | Aluminum |
| Frequency | 60 Hz |
| Full Load Amps | 55.5 A |
| Horsepower | 20 HP |
| Model | 256TTFL16041 |
| Mounting | Rigid |
| Phase | 3 |
| Product Line | Close-Coupled Pump |
| Speed | 1775 RPM |
| Voltage | 200V |
| Weight | 324 lb |
Product details
| Manufacturer | Marathon |
|---|---|
| Manufacturer part number | U353B |
| Product category | Electric Motors |
| Published specifications | 15 attributes listed |
| Related part numbers | 2 other part numbers in this family |
Request a quote for this part
Email orderdesk@kkmsolutions.com or call (825) 454-5367 for pricing and availability.
Frequently Asked Questions
How do I get pricing for U353B?
This part is quoted on request, so no price is listed for it here. Send the quote form on this page with your quantity, or email orderdesk@kkmsolutions.com, and our order desk will reply with pricing and availability within 1 business day.
Who manufactures the U353B?
U353B 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 U353B, and the quote confirms condition and lead time before you order.
Is the U353B 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 U353B, 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 U353B?
No published lifecycle status is on file for U353B. 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 U353B?
Key specifications include Catalog Number: U353B; Duty: Continuous; Enclosure Type: TEFC; Frame: 256JM. The full specification table on this page lists every published attribute for this part.
What voltage does U353B use?
Per the published specification for U353B: Voltage: 200V. 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 U353B?
Per the published specification for U353B: Horsepower: 20 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 U353B weigh?
Per the published specification for U353B: Weight: 324 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 U353B ship?
Lead time for U353B 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.
Variants & Related Part Numbers
Other Marathon part numbers in this family:
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