W581A Marathon Electric Motors
KKM Solutions is an independent parts distributor, not an authorized Marathon dealer — how we source.
Overview
Part number W581A from Marathon, listed in Electric Motors. Specifications on file: Catalog Number W581A; Duty Continuous; Enclosure Type TEFC; Frame 326T. KKM Solutions quotes this part with pricing and availability confirmed per order.
Marathon W581A — Electric Motors. Specs: Model: 326THFCD19033BB · Catalog Number: W581A · Weight: 730 lb. Quoted per order by KKM Solutions. Severe Duty Motor, 50 HP, 3 Ph, 60 Hz, 575 V, 1800 & 1800 RPM, 326T Frame, TEFC - Marathon catalog number W581A (ordering code 326THFCD19033). Marathon specifications: Phase: 3; Output HP: 50 Hp; Output KW: 37 kW; Voltage: 575 V; Speed: 1782 rpm; Service Factor: 1.15; Frame: 326T; Thermal Protection: No Protection; Efficiency: 94.5 %; Ambient Temperature: 40 °C; Frequency: 60 Hz; Current: 47 A; Power Factor: 85; Duty: Continuous; Insulation Class: H; Design Code: B; KVA Code: G; Drive End Bearing Size: 6312; Opp Drive End Bearing Size: 6212; Enclosure: Totally Enclosed Fan Cooled; UL: Listed; CSA: Y.
Specifications
| Catalog Number | W581A |
|---|---|
| Duty | Continuous |
| Enclosure Type | TEFC |
| Frame | 326T |
| Frame Material | Cast Iron |
| Frequency | 60 Hz |
| Full Load Amps | 47 A |
| Horsepower | 50 HP |
| Model | 326THFCD19033BB |
| Mounting | Rigid |
| Phase | 3 |
| Speed | 1782 RPM |
| Voltage | 575V |
| Weight | 730 lb |
Product details
| Manufacturer | Marathon |
|---|---|
| Manufacturer part number | W581A |
| Product category | Electric Motors |
| Published specifications | 14 attributes listed |
| Related part numbers | 1 other part number 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 much does W581A cost?
W581A is listed at CA$6,826.73 (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 W581A?
W581A 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 W581A, and the quote confirms condition and lead time before you order.
Is the W581A 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 W581A, 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 W581A?
No published lifecycle status is on file for W581A. 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 W581A?
Key specifications include Catalog Number: W581A; Duty: Continuous; Enclosure Type: TEFC; Frame: 326T. The full specification table on this page lists every published attribute for this part.
What voltage does W581A use?
Per the published specification for W581A: Voltage: 575V. 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 W581A?
Per the published specification for W581A: Horsepower: 50 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 W581A weigh?
Per the published specification for W581A: Weight: 730 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 W581A ship?
Lead time for W581A 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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