K721A Leeson General Purpose AC Motors
KKM Solutions is an independent parts distributor, not an authorized Leeson dealer — how we source.
Overview
Part number K721A from Leeson, listed in General Purpose AC Motors. Specifications on file: Catalog Number K721A; Duty Continuous; Enclosure Type TEFC; Frame 56C. KKM Solutions quotes this part with pricing and availability confirmed per order.
Feature Ball bearings, mechanically locked on shaft end UL recognized, CSA certified and CE mark LEESON catalog number K721A (General Purpose Motor, 1.50 HP, 3 Ph, 60 Hz, 575 V, 3600 RPM, 56C Frame, TEFC). Catalog specifications: Frame Suffix: C; Insulation Class: F; Thermal Protection: No Protection; Assembly/Box Mounting: F1 ONLY; Power Factor: 83.5; Enclosure: Totally Enclosed Fan Cooled; Shaft Type: T; Shaft Diameter: 0.625 in; KVA Code: M; Frame Length: 8.06 in; Current: 1.6 A; Speed: 3450 rpm; Output HP: 1.50 Hp; Ambient Temperature: 40 °C; Drive End Bearing: Ball; Connection Drawing: EE7300; CE: Y; Drive End Bearing Size: 6203; Frequency: 60 Hz; Outline Drawing: A-100141-806; Starting Method: Across The Line; Voltage: 575 V; Design Code: B; Phase: 3; CSA: Y; Mounting: Bolt-on Base; UL: Recognized; Torque UOM: LB-FT; Poles: 2; Opp Drive End Bearing Size: 6203; Electrical Type: Squirrel Cage Induction Run; Efficiency: 84 %; Service Factor: 1.15; Duty: Continuous; Output KW: 1.1 kW; Motor Orientation: Horizontal Or Up Or Down; Resistance Main: 9.27 Ohms; Rotation: Reversible; Synchronous RPM: 3600 rpm; Frame: 56C; Frame Size: 56; Number of Speeds: 1; Opp Drive End Bearing: Ball; Shaft Extension: 2.06 in; Frame Material: Rolled Steel; Overall Length: 13.31 in; IP Code: 43. Weight: 37.00 LB.
Specifications
| Catalog Number | K721A |
|---|---|
| Duty | Continuous |
| Enclosure Type | TEFC |
| Frame | 56C |
| Frame Material | Rolled Steel |
| Frequency | 60 Hz |
| Full Load Amps | 1.6 A |
| Horsepower | 1 1/2 HP |
| Mounting | C-Face / Rigid |
| Phase | 3 |
| Speed | 3450 RPM |
| Voltage | 575V |
| Weight | 37 lb |
Product details
| Manufacturer | Leeson |
|---|---|
| Manufacturer part number | K721A |
| Product category | General Purpose AC Motors |
| Published specifications | 13 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 K721A cost?
K721A is listed at CA$273.70 (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 K721A?
K721A is made by Leeson and is listed in our General Purpose AC Motors category. KKM Solutions is an independent distributor, not an authorized Leeson dealer: we source the exact Leeson part number K721A, and the quote confirms condition and lead time before you order.
Is the K721A 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 K721A, 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 K721A?
No published lifecycle status is on file for K721A. Leeson 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 K721A?
Key specifications include Catalog Number: K721A; Duty: Continuous; Enclosure Type: TEFC; Frame: 56C. The full specification table on this page lists every published attribute for this part.
What voltage does K721A use?
Per the published specification for K721A: 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 K721A?
Per the published specification for K721A: Horsepower: 1 1/2 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 K721A weigh?
Per the published specification for K721A: Weight: 37 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 K721A ship?
Lead time for K721A 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 Leeson part numbers in this family:
Related Products
Leeson Leeson K722
Leeson Leeson K709A
Leeson Leeson K722A
Leeson Leeson K709
Leeson Leeson K723A
Leeson Leeson K708A
More General Purpose AC Motors parts
Technical Guides
Browse more Leeson Electric Motors, or see everything from Leeson.