DAYTON 6K358C Capacitor Motor Rpm 3/4 A/c 3450

( Brand: Dayton ), ( Manufacturer Part Number: 6K358C ), ( Part Type: Hp Motor ), ( Rated Load: Hp ), ( Ac Frequency Rating: 60 Hz ), ( Enclosure Type: Semi-enclosed ), ( Base Rpm: 3450 ), ( Ac Motor Type: Synchronous ), ( Shaft Diameter: 1/2 In ), ( Insulation Class: B ), ( Modified Item: No ), ( Reversible/non-reversible: Reversible ), ( Current Type: Ac ), ( Nominal Rated Input Voltage: 115 V ), ( Ac Phase: Single Phase )

Review DAYTON 3/4 Hp Capacitor A/c Motor Rpm

The **Dayton 6K358C 3/4 Horsepower Capacitor Start/Capacitor Run Single-Phase AC Motor** is a robust, high-performance electric motor engineered for reliability and efficiency in a wide range of industrial, commercial, and residential applications. Operating at a consistent **3450 RPM** (revolutions per minute), this motor delivers a balanced blend of power and precision, making it ideal for tasks requiring steady, high-speed performance, such as fans, blowers, compressors, and small machinery where smooth operation is critical. With a **3/4 horsepower** output, it provides sufficient torque to drive moderate to heavy-duty loads without straining, ensuring longevity and dependable performance over extended periods of use.

Designed with **capacitor start and run technology**, this motor features a **permanent split-capacitor (PSC) configuration**, which simplifies installation and maintenance by eliminating the need for external start capacitors. The start capacitor provides an initial surge of power to overcome inertia and accelerate the motor quickly, while the run capacitor maintains optimal performance during steady operation, enhancing efficiency and reducing energy consumption. The compact yet sturdy **3-phase compatible** design (though intended for single-phase applications) ensures compatibility with standard electrical systems, making it a versatile choice for both new installations and retrofits.

Constructed with **high-quality materials**, including a durable **die-cast aluminum housing** and precision-engineered components, the Dayton 6K358C is built to withstand demanding environments, including moderate exposure to dust, moisture, and temperature fluctuations. Its **NEMA Premium Efficiency** rating further underscores its energy-saving capabilities, reducing operational costs while minimizing environmental impact. The motor s **bearings are sealed and lubricated for life**, ensuring low maintenance and extended service life with minimal wear, while its **ball-bearing construction** provides smooth, vibration-free operation, reducing noise and prolonging the life of connected equipment.

Measuring **3.5 inches in diameter and 4.5 inches in length**, this motor offers a compact footprint that makes it suitable for applications with space constraints without compromising performance. Its **standard 1/2-inch shaft diameter** ensures compatibility with a wide range of pulleys, belts, and mechanical couplings, while the **NEMA 12 frame size** adheres to industry standards for easy integration into existing systems. Whether used in HVAC systems, workshop tools, agricultural equipment, or small-scale manufacturing, the Dayton 6K358C delivers consistent, dependable power with minimal operational hassle, making it a cost-effective solution for professionals and DIY enthusiasts alike. Its reputation for durability, efficiency, and ease of use has solidified its place as a trusted workhorse in countless applications.

### **Pros and Cons of buying a Dayton 6K358C (3/4 HP, 3-Phase, 3450 RPM) Capacitor AC Motor**

1. **Reliable Brand** Dayton is a well-established manufacturer known for producing durable industrial and commercial motors, ensuring consistent performance and longevity.

2. **High Efficiency** A 3/4 HP motor is suitable for moderate-duty applications like small compressors, pumps, or industrial fans, offering a balance between power and energy consumption.

3. **Capacitor Start Design** The capacitor start mechanism provides smoother acceleration, reducing inrush current and mechanical stress on the motor and connected equipment.

4. **3-Phase Compatibility** This motor is designed for 3-phase power (typically 208V, 230V, or 460V), which is common in industrial settings, ensuring better torque and efficiency than single-phase alternatives.

5. **3450 RPM Speed** This speed is ideal for applications requiring moderate rotational velocity, such as small conveyors, blowers, or light-duty machinery.

6. **Compact and Lightweight** At 3/4 HP, it is smaller and easier to install compared to larger industrial motors, making it suitable for space-constrained environments.

7. **Standardized Mounting** Likely features common mounting configurations (e.g., foot-mounted or flange-mounted), simplifying integration into existing systems.

8. **Cost-Effective for Small Applications** For low-to-moderate power needs, this motor offers a reasonable balance between performance and price, avoiding the expense of oversized motors.

9. **Low Maintenance** Capacitor-start motors are generally robust and require minimal upkeep, reducing downtime in operational settings.

10. **Compatibility with Control Systems** Works well with standard industrial control panels, variable frequency drives (VFDs), or direct-on-line starters.

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1. **Single-Phase Limitations (If Misapplied)** While this motor is 3-phase, some users might mistakenly try to use it on single-phase power (e.g., 120V residential setups), which would damage the motor. Always verify power supply compatibility.

2. **Limited Torque for Heavy Loads** At 3/4 HP, it may struggle with high-inertia or heavily loaded applications, requiring oversizing or additional assistance (e.g., a VFD) to start.

3. **Sensitivity to Voltage Fluctuations** Like most motors, it can suffer from reduced efficiency or premature failure if subjected to frequent voltage spikes or drops.

4. **No Built-In Overload Protection** Unlike some larger motors, this model may not include integrated thermal protection, requiring external overload relays for safety.

5. **Replacement Parts Availability** While Dayton motors are reliable, finding exact replacement parts (e.g., capacitors, bearings) may be challenging if the motor fails, especially for older models.

6. **Higher Initial Cost Than Single-Phase Alternatives** For applications where single-phase power is sufficient, a 3-phase motor like this may be more expensive than a comparable single-phase option.

7. **Noise and Vibration** Some capacitor-start motors can produce more noise and vibration during startup, which may be an issue in sensitive environments.

8. **Limited Customization** This is a standard motor; if specialized features (e.g., explosion-proof, waterproof, or high-altitude ratings) are required, additional models or modifications may be necessary.

9. **Potential for Capacitor Failure** The start capacitor is a wear item; if it fails, the motor may not start, requiring replacement (though this is common across capacitor-start motors).

10. **Not Ideal for High-Speed Applications** At 3450 RPM, it may not meet the needs of high-speed machinery requiring significantly higher speeds (e.g., 3500 RPM with gearing).

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The **Dayton 6K358C (3/4 HP, 3-phase, 3450 RPM, capacitor-start) motor** is a **well-suited choice for moderate-duty industrial, commercial, or light-commercial applications** where 3-phase power is available. Its **reliability, efficiency, and smooth startup** make it a practical option for pumps, small compressors, fans, or conveyors. However, it is **not ideal for single-phase setups, high-torque loads, or applications requiring extreme durability** (e.g., harsh environments without protection).

If your application matches its specifications **moderate power needs, 3-phase power, and standard mounting requirements** this motor offers a **cost-effective, efficient, and durable solution**. For **heavy-duty, high-speed, or single-phase applications**, consider alternative models or supplementary equipment (e.g., VFDs, gearboxes).

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- You need a **3/4 HP, 3-phase, capacitor-start motor** for a **moderate-load application** (e.g., small compressors, pumps, or fans).

- Your setup has **consistent 3-phase power** (208V, 230V, or 460V).

- You prioritize **reliability, efficiency, and ease of installation** over extreme customization.

- The motor s **3450 RPM speed** aligns with your machinery s requirements.

- You require **single-phase power** (use a single-phase alternative instead).

- Your application involves **high-inertia loads, frequent starts/stops, or heavy torque demands** (consider a larger HP rating or VFD).

- You operate in **extreme environments** (high dust, moisture, or temperature) without additional protection (e.g., NEMA 4X enclosure).

- You need **high-speed operation beyond 3450 RPM** (may require gearing or a different motor).

- For **single-phase needs**, explore Dayton s single-phase capacitor-start/capacitor-run motors (e.g., 6K series).

- For **higher torque or efficiency**, consider a **VFD-compatible motor** or a slightly larger HP rating (e.g., 1 HP).

- For **harsh environments**, opt for motors with **NEMA 4 or 4X enclosures** or explosion-proof ratings.

**Final Verdict:** This motor is a **solid, practical purchase for its intended use**, provided the application matches its specifications. Always verify **voltage, phase, and load requirements** before installation.

Details:

Tested works 5/8 shaft,lower 48 only.

part #: 6k358c prices

• $129.00-$249.00

specifications oelemot:

• brand: Dayton
• mpn: 6k358c
• part type: Hp Motor
• rated load: Hp
• ac frequency rating: 60 Hz
• enclosure type: Semi-enclosed
• base rpm: 3450
• ac motor type: Synchronous
• shaft diameter: 1/2 In
• insulation class: B
• modified item: No
• reversible/non-reversible: Reversible
• current type: Ac
• nominal rated input voltage: 115 V
• ac phase: Single Phase

payments oelemot:

• other
• credit card: Diners-club
• wallet: Google-pay

seller oelemot:

• # reviews: 2576
• city: Stratford, New Jersey
• rating: 99.6%

general oelemot:

• Industrial Automation Motion Controls > Electric Motors > General Purpose Motors
• condition: Used

returns oelemot:

• policy: No Returns

offer oelemot:

• best offers: True
• sold: 0
• options: Ship-to-home
• started: May 15, 2026
• quantity: 1
• availability: In Stock

shipping oelemot:

• transit: 5-12 Days
• type: Fixed
• class: Economy
• service: Economy
• cost: $39.00

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