C328B Marathon 20HP Three Phase Severe Duty Explosion Proof Premium Motor
KKM Solutions is an independent parts distributor, not an authorized Marathon dealer — how we source.
C328B MARATHON 20HP Three Phase Severe Duty Explosion Proof Premium Motor is designed and approved for application in hazardous environments having certain explosive gases or materials present.
Overview
Part number C328B from Marathon, listed in Electric Motors. Specifications on file: Duty Continuous; Enclosure Type TEFC-XP; Frame 256TC; Frame Material Cast Iron. KKM Solutions quotes this part with pricing and availability confirmed per order.
C328B MARATHON 20HP Three Phase Severe Duty Explosion Proof Premium Motor is designed and approved for application in hazardous environments having certain explosive gases or materials present. Explosion Proof Motor, 20 & 15 HP, 3 Ph, 60 & 50 Hz, 230/460 & 190/380 V, 1800 & 1500 RPM, 256TC Frame, EPFC - Marathon catalog number C328B (ordering code 256TTGN16034). Marathon specifications: Phase: 3; Output HP: 20 & 15 Hp; Output KW: 14.9 & 11.2 kW; Voltage: 230/460 & 190/380 V; Speed: 1775 & 1470 rpm; Service Factor: 1.0 & 1.0; Frame: 256TC; Thermal Protection: Thermostat; Efficiency: 93 & 92.5 %; Ambient Temperature: 40 °C; Frequency: 60 & 50 Hz; Current: 48/24.1 & 44/22 A; Power Factor: 84; Duty: Continuous; Insulation Class: F; Design Code: B; KVA Code: G; Drive End Bearing Size: 6309; Opp Drive End Bearing Size: 6210; Enclosure: Explosion Proof Fan cooled; UL: UL Listed And CSA Certified; CSA: Y.
Specifications
| Duty | Continuous |
|---|---|
| Enclosure Type | TEFC-XP |
| Frame | 256TC |
| Frame Material | Cast Iron |
| Frequency | 60 Hz |
| Full Load Amps | 48.0/24.1 |
| Horsepower | 20 HP |
| Mounting | C-Face / Round Body |
| Phase | Three |
| Power | 20 HP |
| Product Line | Explosion Proof NEMA Premium Efficiency Blue Chip Series Hazardous Duty |
| Speed | 1775 RPM |
Product details
| Manufacturer | Marathon |
|---|---|
| Manufacturer part number | C328B |
| Product category | Electric Motors |
| Published specifications | 12 attributes listed |
| Related part numbers | 2 other part numbers 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 C328B cost?
C328B is listed at CA$5,059.44 (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 C328B?
C328B is made by Marathon and is listed in our Electric Motors category. KKM Solutions is an independent distributor, not an authorized Marathon dealer: we source the exact Marathon part number C328B, and the quote confirms condition and lead time before you order.
Is the C328B 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 C328B, 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 C328B?
No published lifecycle status is on file for C328B. 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 C328B?
Key specifications include Duty: Continuous; Enclosure Type: TEFC-XP; Frame: 256TC; Frame Material: Cast Iron. The full specification table on this page lists every published attribute for this part.
What is the power rating of C328B?
Per the published specification for C328B: Horsepower: 20 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 quickly can C328B ship?
Lead time for C328B 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 Marathon part numbers in this family:
Frequently Searched Marathon Part Numbers
Related Products
Marathon Marathon C327C 15HP Three Phase Severe Duty Explosion Proof…
Marathon Marathon C328C 20HP Three Phase Blue Duty Explosion Proof…
Marathon Marathon C326C 10HP Three Phase Severe Duty Explosion Proof…
Marathon C330 1/2HP Single Phase Oil Burner Motor is…
Marathon Marathon C326B 10HP Three Phase Severe Duty Explosion Proof…
Marathon C331 1/2HP Single Phase DP Centrifugal Fan Motor…
More Electric Motors parts
Technical Guides
Browse more Marathon Electric Motors, or see everything from Marathon.