K381 Marathon 1/2 hp 3 phase 1800 RPM 56 Frame 208-230/460V ODP Resilient Mount Marathon Motor
KKM Solutions is an independent parts distributor, not an authorized Marathon dealer — how we source.
K381 Marathon 1/2 hp 3 phase 1800 RPM 56 Frame 208-230/460V ODP Resilient Mount Marathon Motor
Overview
Part number K381 from Marathon, listed in General Purpose AC Motors. 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.
K381 Marathon 1/2 hp 3 Phase 1800 RPM 56 Frame 208-230/460V ODP Resilient Mount Marathon Motor
This Marathon 1/2 horsepower, 3-phase motor is designed for general-purpose industrial applications. It replaces Century models H275, H275V1, and H275V2, providing reliable performance in equipment requiring a single-phase electric motor.
Key Specifications
Horsepower: 1/2 hp
RPM: 1800
Voltage: 208-230/460 V, 60 Hz
Amperage: 2.3-2.2/1.1 A
Enclosure: Open Drip Proof (ODP)
Frame / Diameter: NEMA 56 Frame
Shaft Dimensions: Keyed shaft, 5/8" diameter x 1 7/8" length
Rotation: Reversible
Bearings: Ball bearings
Product Features & Fitment
This motor features a resilient base mount for vibration reduction and ease of installation. It includes Class B insulation and a service factor of 1.25. Wiring diagrams are provided on the motor nameplate to assist with proper electrical connections. Overload protection is not included.
Specifications
| Phase | 3 |
|---|---|
| Power | 1/2 HP |
| Speed | 1800 RPM |
| Voltage rating | 460 V |
Product details
| Manufacturer | Marathon |
|---|---|
| Manufacturer part number | K381 |
| Product category | General Purpose AC Motors |
| 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 K381 cost?
K381 is listed at CA$448.33 (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 K381?
K381 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 K381, and the quote confirms condition and lead time before you order.
Is the K381 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 K381, 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 K381?
No published lifecycle status is on file for K381. 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 K381?
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 K381 ship?
Lead time for K381 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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