Answering the common search for a reliable 2 HP single-phase motor with 3450 RPM, this guide highlights five strong options suited for air compressors, workshop machinery, and general-purpose use. Each listing notes who it’s best for, key features, and practical considerations. This overview helps buyers compare frame size, voltage, and enclosure at a glance.
| Product | Frame | Voltage | RPM | Shaft | Best For |
|---|---|---|---|---|---|
| GENRICS Air Compressor Motor 2 HP SPL | 56 | 120/240V | 3450 | 5/8″ | Light to medium air compressors |
| VEVOR 2HP Air Compressor Electric Motor | 56 | 115/230V | 3450 | 5/8″ | Versatile shop use, clean environments |
| GCCSJ 2 HP SPL Air Compressor Motor | 56 | 115/230V | 3450 | 5/8″ | General-purpose, continuous operation |
| POWORFOL 2 HP Electric Motor | 56 | 115/230V | 3450 | 5/8″ | Air compressors and replacement needs |
| GCCSJ 2 HP Electric Motor 56C | 56C | 115/230V | 3450 | 5/8″ | General-purpose, CW/CCW rotation |
Note: All motors share a 2 HP rating and 3450 RPM baseline, making them suitable for many single-phase, high-speed, lightweight industrial tasks. The selections emphasize open drip-proof (ODP) or TEFC enclosures, shaft standards, and compatibility with standard pulleys and couplings.
GENRICS Air Compressor Motor 2 HP SPL Motor
Features: Iron construction with high strength and long service life; multiple cooling holes for rapid heat dissipation; suitable for air compressors, metal cutters, pumps, fans, and mixers. Best for compact setups where robustness and simple cooling are priorities. Caution: Iron housings can be heavier and may require sturdy mounting and alignment in vibration-heavy environments.
VEVOR 2HP Air Compressor Electric Motor
Features: 2HP SPL at 3450 RPM; dual voltage 115V/230V; 56 frame with 5/8″ keyed shaft and 1.88″ shaft length; open drip-proof design for clean, dry environments; robust steel construction enhances service life. Best for versatile shop setups; better for environments with stable electrical supply. Caution: ODP design works best in clean, dry settings; exposure to dust or moisture may require additional enclosure or filters.
GCCSJ 2 HP SPL Air Compressor Motor
Features: 2 HP, 56 frame, ODP open housing; 115/230V; 3450 RPM; 5/8″ shaft; rolled steel shell and S1 continuous duty capability. Best for open-shop environments with straightforward maintenance; choose this if you need a simple, easily cooled motor. Limitation: ODP design is less protective in dusty or damp areas; consider additional enclosure in harsh conditions.
2 HP Electric Motor Farm Duty
Features: TEFC enclosure; 56 frame; 115/230V; 3450 RPM; 5/8″ keyed shaft; round-the-clock operation suitable for farm equipment and heavy-duty fans. Best for environments requiring robust protection against dust and moisture; CCW/CW rotation options add versatility. Caution: TEFC models may be heavier and bulkier than open designs.
GCCSJ 2 HP Electric Motor 56C
Features: 2 HP; 56C frame; TEFC enclosure; CW/CCW rotation; 115/230V; 3450 RPM; 5/8″ shaft; robust rolled steel shell; large, durable fan for cooling under load. Best for versatile general-purpose use; choose this if rotation direction flexibility and enclosure protection are priorities. Caution: TEFC may be less forgiving in extremely dusty environments without filtration or enclosure.
Buying Guide
- What enclosure do you need? TEFC provides protection in dusty or wet areas; ODP is lighter and suitable for clean, dry spaces.
- Voltage compatibility: Most listed motors support 115V/230V dual voltage; ensure your power supply matches the motor’s ratings.
- Frame and shaft compatibility: A 56 or 56C frame with a 5/8″ shaft and 1.88″ shaft length is common; verify pulleys, couplings, and mounting hardware match.
- Rotation direction: Some models offer CW/CCW rotation; ensure the chosen motor aligns with your equipment’s pulley and belt layout.
- Duty cycle: For continuous operation, prefer models with TEFC or ODP designed for stable, extended use; check operating temperature and heat dissipation characteristics.
- Heat management: Consider external cooling or enclosure if your application generates substantial heat or runs continuously at high loads.
Frequently Asked Questions
- Q: Is 3450 RPM the same as a high-speed motor? A: Yes; 3450 RPM is a standard high-speed setting for many single-phase 2 HP motors, suitable for air compressors and light machinery.
- Q: What’s the difference between TEFC and ODP enclosures? A: TEFC provides better protection against dust and moisture; ODP is lighter and suited for clean, dry environments.
- Q: Can I use any 2 HP motor with a 56 frame in my compressor? A: Most 56 frame motors with 5/8″ shaft are compatible, but verify shaft length, keyway size, and mounting patterns with your equipment.
- Q: Do I need a dual-voltage motor? A: If your shop uses both 115V and 230V supplies or you plan to relocate equipment, a dual-voltage motor provides flexibility.
- Q: How do I choose between CW and CCW rotation? A: Match rotation to your pulley or belt arrangement; many fans and compressors require CCW, but CW may be needed for specific layouts.
- Q: Are these motors suitable for continuous operation? A: Yes for models specified as TEFC or designed for continuous duty; verify the duty cycle for your exact setup.
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