B400 Marathon 1/3 hp 1-speed 115V 1800 RPM DPAO 48 Frame (resilient base) Attic Fan Motor
KKM Solutions is an independent parts distributor, not an authorized Marathon dealer — how we source.
Overview
Part number B400 from Marathon, listed in General Purpose AC Motors. Specifications on file: Power 1/3 HP; Speed 1800 RPM; Voltage rating 115 V. KKM Solutions quotes this part with pricing and availability confirmed per order.
B400 Marathon 1/3 hp 1-speed 115V 1800 RPM DPAO 48 Frame (resilient base) Attic Fan Motor
This Marathon attic fan motor is designed for efficient ventilation of attic spaces, providing reliable intermittent operation. It serves as a direct replacement for motors requiring a drip-proof air-over (DPAO) design and a resilient base mounting.
Key Specifications
Horsepower: 1/3 hp
RPM: 1800
Voltage: 115 V, 60 Hz
Amperage: 6.6 amps
Enclosure: Drip Proof Air-Over (DPAO)
Frame / Diameter: NEMA 48 Frame
Shaft Dimensions: 1/2" diameter x 1 1/2" length, keyed
Rotation: Reversible
Bearings: Ball Bearings
Product Features & Fitment
The motor features a resilient base for stable mounting and is designed to operate within an air stream for proper cooling. It includes automatic thermal protection and Class B insulation for enhanced durability and safety during operation.
Specifications
| Power | 1/3 HP |
|---|---|
| Speed | 1800 RPM |
| Voltage rating | 115 V |
Product details
| Manufacturer | Marathon |
|---|---|
| Manufacturer part number | B400 |
| Product category | General Purpose AC Motors |
| Published specifications | 3 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 B400 cost?
B400 is listed at CA$365.32 (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 B400?
B400 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 B400, and the quote confirms condition and lead time before you order.
Is the B400 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 B400, 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 B400?
No published lifecycle status is on file for B400. 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 B400?
Key specifications include Power: 1/3 HP; Speed: 1800 RPM; Voltage rating: 115 V. The full specification table on this page lists every published attribute for this part.
How quickly can B400 ship?
Lead time for B400 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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