I503 Leeson Electric Motors
KKM Solutions is an independent parts distributor, not an authorized Leeson dealer — how we source.
Overview
Part number I503 from Leeson, listed in Electric Motors. Specifications on file: Catalog Number I503; Duty Continuous; Enclosure Type TEFC-XP; Frame 143T. KKM Solutions quotes this part with pricing and availability confirmed per order.
Feature Meets temperature code T3B Explosion proof conduit box included, shipped loose UL Listed File No. E12044 CSA Certified File No. LR47504 LEESON catalog number I503 (Explosion Proof Motor, 1 HP, 3 Ph, 60 Hz, 575 V, 1800 RPM, 143T Frame, EPFC). Catalog specifications: Connection Drawing: A-EE7300T; Duty: Continuous; Number of Speeds: 1; Service Factor: 1; Current: 1.3 A; Motor Orientation: Horizontal; Poles: 4; Rotation: Reversible; Shaft Extension: 2.31 in; Phase: 3; Resistance Main: 11.8 Ohms; CSA: Y; Power Factor: 68; UL: UL Listed And CSA Certified; Speed: 1,765 rpm; Design Code: B; Shaft Type: T; Ambient Temperature: 40 °C; Mounting: Rigid Base; Shaft Diameter: 0.875 in; Insulation Class: F; Drive End Bearing Size: 6205; Frame Suffix: T; IP Code: 54; Frequency: 60 Hz; Output KW: 0.75 kW; Thermal Protection: Thermostat; Hazardous Location: EXP PROOF CL I GR C&D CL II GR E,F,G T3B; Frame: 143T; Efficiency: 85.5 %; Output HP: 1 Hp; Overall Length: 16.00 in; Enclosure: Explosion Proof Fan cooled; Opp Drive End Bearing Size: 6203; Voltage: 575 V; Frame Size: 143; KVA Code: P; Electrical Type: Squirrel Cage Induction Run; Frame Material: Rolled Steel; Outline Drawing: B-104585-881; Frame Length: 8.81 in; Opp Drive End Bearing: Ball; CE: N; Starting Method: Across The Line; Torque UOM: LB-FT; Drive End Bearing: Ball; Assembly/Box Mounting: F1 ONLY; Synchronous RPM: 1800 rpm. Weight: 48.00 LB.
Specifications
| Catalog Number | I503 |
|---|---|
| Duty | Continuous |
| Enclosure Type | TEFC-XP |
| Frame | 143T |
| Frame Material | Rolled Steel |
| Frequency | 60 Hz |
| Full Load Amps | 1.3 A |
| Horsepower | 1 HP |
| Mounting | Rigid |
| Phase | 3 |
| Speed | 1800 RPM |
| Voltage | 575V |
| Weight | 48 lb |
Product details
| Manufacturer | Leeson |
|---|---|
| Manufacturer part number | I503 |
| Product category | Electric Motors |
| Published specifications | 13 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 I503 cost?
I503 is listed at CA$1,417.57 (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 I503?
I503 is made by Leeson and is listed in our Electric Motors category. KKM Solutions is an independent distributor, not an authorized Leeson dealer: we source the exact Leeson part number I503, and the quote confirms condition and lead time before you order.
Is the I503 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 I503, 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 I503?
No published lifecycle status is on file for I503. 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 I503?
Key specifications include Catalog Number: I503; Duty: Continuous; Enclosure Type: TEFC-XP; Frame: 143T. The full specification table on this page lists every published attribute for this part.
What voltage does I503 use?
Per the published specification for I503: 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 I503?
Per the published specification for I503: Horsepower: 1 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 I503 weigh?
Per the published specification for I503: Weight: 48 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 I503 ship?
Lead time for I503 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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