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LM21239 Marathon General Purpose AC Motors
KKM Solutions is an independent parts distributor, not an authorized Marathon dealer — how we source.
Overview
Part number LM21239 from Marathon, listed in General Purpose AC Motors. Specifications on file: Catalog Number LM21239; Duty Continuous; Enclosure Type TEFC; Frame Material Rolled Steel. KKM Solutions quotes this part with pricing and availability confirmed per order.
Marathon LM21239 — General Purpose AC Motors. Specs: Model: S449F4B300T64YQ40 · Catalog Number: LM21239 · Weight: 2315 lb. Quoted per order by KKM Solutions. OBSOLETE - NO REPLACEMENT FOR 300,1800,TEFC,449T,3/60/460 - Marathon catalog number LM21239 (ordering code LM21239). Marathon specifications: Phase: 3; Output HP: 300 Hp; Output KW: 224 kW; Voltage: 460 V; Speed: 1788 rpm; Service Factor: 1; Frame: 447/449T; Thermal Protection: No Protection; Efficiency: 95.8 %; Ambient Temperature: 40 °C; Frequency: 60 Hz; Current: 349 A; Power Factor: 84; Duty: Continuous; Insulation Class: F; Design Code: INV; KVA Code: H; Drive End Bearing Size: 318; Opp Drive End Bearing Size: 315; Enclosure: Totally Enclosed Fan Cooled; UL: Recognized; CSA: Y.
Specifications
| Catalog Number | LM21239 |
|---|---|
| Duty | Continuous |
| Enclosure Type | TEFC |
| Frame Material | Rolled Steel |
| Frequency | 60 Hz |
| Full Load Amps | 349 A |
| Horsepower | 300 HP |
| Model | S449F4B300T64YQ40 |
| Mounting | Rigid |
| Phase | 3 |
| Speed | 1800 RPM |
| Voltage | 460V |
| Weight | 2315 lb |
Product details
| Manufacturer | Marathon |
|---|---|
| Manufacturer part number | LM21239 |
| Product category | General Purpose AC Motors |
| Published specifications | 13 attributes listed |
| Related part numbers | 12 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 LM21239?
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 LM21239?
LM21239 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 LM21239, and the quote confirms condition and lead time before you order.
Is the LM21239 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 LM21239, 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 LM21239?
No published lifecycle status is on file for LM21239. 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 LM21239?
Key specifications include Catalog Number: LM21239; Duty: Continuous; Enclosure Type: TEFC; Frame Material: Rolled Steel. The full specification table on this page lists every published attribute for this part.
What voltage does LM21239 use?
Per the published specification for LM21239: 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 LM21239?
Per the published specification for LM21239: Horsepower: 300 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 LM21239 weigh?
Per the published specification for LM21239: Weight: 2315 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 LM21239 ship?
Lead time for LM21239 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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