H683 / 5KH33GNA444X 1/3 HP 1725 RPM 100-120V / 200-240V 48Y Frame Split-Phase Carbonator Pump Marathon Motor
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⚡ Marathon H683 (5KH33GNA444X) 1/3 HP Carbonator Pump Motor
The Marathon H683 (Factory Spec: 5KH33GNA444X) is a rugged, high-performance 1/3 HP Split-Phase Carbonator Pump Motor engineered specifically for continuous-duty fluid transfer applications. Built with a durable rolled steel frame and an Open Drip Proof (ODP) enclosure, this motor is the industry standard for driving positive displacement rotary vane pumps, such as those made by Fluid-o-Tech and PROCON. It is an essential powerhouse for commercial reverse osmosis (RO) systems, high-volume beverage dispensers, and advanced water treatment networks that require reliable, continuous mechanical drive for pulsation-free water delivery.
Operating at a standard speed of 1725 RPM (at 60Hz), this versatile single-phase motor features a dual-voltage design, allowing it to be safely wired for either 100-120V or 200-240V electrical systems. It is equipped with a specialized 48Y Frame and an extended front hub specifically machined to securely accept standard carbonator v-band clamps for direct, seamless pump mounting. To ensure maximum operational lifespan and system safety, the H683 is fitted with permanently lubricated, double-sealed ball bearings and an integrated automatic-reset thermal protector to prevent catastrophic failure in the event of an unexpected system overload.
| SPECIFICATION |
DETAILS |
| Model / Catalog Number |
H683 |
| Manufacturer Spec Number |
5KH33GNA444X |
| Manufacturer |
Marathon Motors (Regal Rexnord) |
| Motor Type |
Carbonator Pump / Split-Phase |
| Horsepower (HP) |
1/3 HP |
| Voltage |
100-120 / 200-240 V |
| Amperage |
5.5-5.6 / 2.7-2.8 A |
| Phase / Frequency |
1-Phase / 60 Hz (50Hz compatible) |
| Operating Speed (60Hz) |
1725 RPM |
| Frame Size |
48Y (Carbonator Clamp Hub) |
| Enclosure Type |
Open Drip Proof (ODP) |
| Thermal Protection |
Automatic Reset |
| Mounting Style |
Resilient Base (Cradle) |
| Test PSI |
N/A (Electrical Motor) |
Nema 48YZ with Resilient Base
Features
- Sleeve or ball bearings.
- Completely interchangeable with OEM Units.
- Designed for replacements on many OEM carbonater pumps, sump pumps, and hot water circulators.
| Part # |
Model # |
HP |
RPM |
Volts |
Frequency |
NEMA frame |
Weight |
C dimmension |
| H683 |
5KH33GNA444X |
|
1725/1425 |
115/230 |
50/60 Hz |
48Y |
14 |
7.9 in. |
|
| 1/3 |