K550 Marathon 1/2 hp 3-Phase Jet Pump Motor 1800 RPM 208-230/460V TEFC 56J Frame (rigid base)
KKM Solutions is an independent parts distributor, not an authorized Marathon dealer — how we source.
K550 Marathon 1/2 hp 3-Phase Jet Pump Motor 1800 RPM 208-230/460V TEFC 56J Frame (rigid base)
Overview
Part number K550 from Marathon. Specifications on file: Phase 3; Power 1/2 HP; Speed 1800 RPM; Voltage rating 460 V. KKM Solutions quotes this part with pricing and availability confirmed per order.
K550 Marathon 1/2 hp 3-Phase Jet Pump Motor 1800 RPM 208-230/460V TEFC 56J Frame (rigid base)
The K550 Marathon motor is a 1/2 horsepower, 3-phase jet pump motor designed for spa pump applications. It is a direct replacement motor featuring a rigid base and totally enclosed fan-cooled (TEFC) construction for reliable performance.
Key Specifications
Horsepower: 1/2 hp
RPM: 1800
Voltage: 208-230/460 V
Amperage: 2.3-2.2/1.1 A
Enclosure: TEFC (Totally Enclosed Fan-Cooled)
Frame / Diameter: NEMA 56J Frame, 5-5/8" diameter
Shaft Dimensions: 1-5/8" long threaded stainless steel shaft
Rotation: Reversible
Bearings: Ball Bearings
Product Features & Fitment
This motor features a rigid base for stable mounting and is designed specifically for spa pump use; it is not suitable for pool applications due to the absence of suction cut-off protection. The stainless steel shaft and Class B insulation provide durability and reliable operation at 60 Hz frequency.
Specifications
| Phase | 3 |
|---|---|
| Power | 1/2 HP |
| Speed | 1800 RPM |
| Voltage rating | 460 V |
Product details
| Manufacturer | Marathon |
|---|---|
| Manufacturer part number | K550 |
| Published specifications | 4 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 K550 cost?
K550 is listed at CA$953.53 (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 K550?
K550 is made by Marathon. KKM Solutions is an independent distributor, not an authorized Marathon dealer: we source the exact Marathon part number K550, and the quote confirms condition and lead time before you order.
Is the K550 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 K550, 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 K550?
No published lifecycle status is on file for K550. 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 K550?
Key specifications include Phase: 3; Power: 1/2 HP; Speed: 1800 RPM; Voltage rating: 460 V. The full specification table on this page lists every published attribute for this part.
How quickly can K550 ship?
Lead time for K550 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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