G639 Marathon 1/4 hp 1800 RPM 115/208-230V Explosion Proof 56 Frame EPNV (rigid base) Motor
KKM Solutions is an independent parts distributor, not an authorized Marathon dealer — how we source.
G639 Marathon 1/4 hp 1800 RPM 115/208-230V Explosion Proof 56 Frame EPNV (rigid base) Motor
Overview
Part number G639 from Marathon. Specifications on file: Power 1/4 HP; Speed 1800 RPM; Voltage rating 230 V. KKM Solutions quotes this part with pricing and availability confirmed per order.
G639 Marathon 1/4 hp 1800 RPM 115/208-230V Explosion Proof 56 Frame EPNV (rigid base) Motor
This Marathon 1/4 horsepower explosion-proof motor is designed for hazardous environments requiring reliable, safe operation. It is ideal for replacing or installing in industrial applications where Class I and II explosion-proof ratings are necessary.
Key Specifications
Horsepower: 1/4 hp
RPM: 1800
Voltage: 115/208-230 V, 60 Hz
Amperage: 4.8/2.3-2.4 A
Enclosure: Explosion-Proof Non-Ventilated (EPNV)
Frame / Diameter: NEMA Rolled Steel 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 rigid base mounting for secure installation and includes a keyed shaft for positive drive connection. It is capacitor start/induction run with Class B insulation and automatic overload protection. Wiring diagrams are provided on the motor nameplate for ease of installation. The motor meets explosion-proof standards for Class I Groups C & D and Class II Groups F & G, T3B temperature rating.
Specifications
| Power | 1/4 HP |
|---|---|
| Speed | 1800 RPM |
| Voltage rating | 230 V |
Product details
| Manufacturer | Marathon |
|---|---|
| Manufacturer part number | G639 |
| 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 G639 cost?
G639 is listed at CA$731.82 (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 G639?
G639 is made by Marathon. KKM Solutions is an independent distributor, not an authorized Marathon dealer: we source the exact Marathon part number G639, and the quote confirms condition and lead time before you order.
Is the G639 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 G639, 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 G639?
No published lifecycle status is on file for G639. 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 G639?
Key specifications include Power: 1/4 HP; Speed: 1800 RPM; Voltage rating: 230 V. The full specification table on this page lists every published attribute for this part.
How quickly can G639 ship?
Lead time for G639 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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