Baldor-Reliance Single Phase Industrial Electric Motors
The Baldor-Reliance Single Phase Industrial Motor Series (featured model: L3608T 3 HP 184T 4-pole) is North America's premier single phase motor platform, engineered specifically for commercial and industrial applications where three-phase power supply is unavailable or cost-prohibitive. Utilizing **Capacitor Start / Capacitor Run (CSCR)** and **Capacitor Start / Induction Run (CSIR)** electrical topology, these motors generate massive locked-rotor torque to start heavy loads under full pressure. Built with heavy-gauge steel or cast-iron frames, high-grade copper windings, internal centrifugal switches, thermal overload protection options, and dual 115/230V or 230V AC terminal configurations, Baldor single phase motors deliver exceptional reliability across **TEFC (Totally Enclosed Fan Cooled)** and **ODP (Open Drip Proof)** enclosures. Covering output power ratings from 1/3 HP up to 15 HP across NEMA frame sizes 56 to 215T, these motors deliver 100% direct mechanical replacement for commercial air compressors, water pumps, hydraulic power units, woodworking equipment, and agricultural farm duty machinery.
Technical Specifications
| Featured Model | L3608T (Catalog No. L3608T, 3 HP, 4-Pole 1760 RPM, 115/230V 60Hz, NEMA 184T Frame, TEFC) |
|---|---|
| Brand / Manufacturer | Baldor-Reliance (ABB Group) |
| Product Series | Single Phase General Purpose, Farm Duty, & Heavy Industrial Motors (L & CL Series) |
| NEMA Frame Sizes Covered | NEMA 56, 56H, 56HC, 143T, 145T, 182T, 184T, 213T, 215T |
| Electrical Motor Topology | Capacitor Start / Capacitor Run (CSCR) & Capacitor Start / Induction Run (CSIR) High Torque Designs |
| Mains Voltage Supply | Dual Voltage 115/230V AC & Single Voltage 230V AC 60Hz (50Hz Multi-Rating Options) |
| Rated Power & Speeds | 1/3 HP to 15 HP; 2-Pole (3450 RPM), 4-Pole (1750 RPM), 6-Pole (1150 RPM) |
| Thermal Protection & Mounting | Manual / Automatic Thermal Overload Reset Options; NEMA Rigid Base B3, C-Face, & Resilient Mount |
Documentation & Resources
Baldor-Reliance Single Phase Motor Selection Matrix
Complete selection matrix for Baldor-Reliance single phase industrial motors. Review NEMA frame sizes, HP ratings, speeds, voltages, and standard catalog numbers:
| Horsepower (HP) | Speed (RPM) | NEMA Frame | Voltage (60Hz) | Baldor Catalog Number | Enclosure & Mount |
|---|---|---|---|---|---|
| 0.5 HP | 1750 RPM (4P) | 56 | 115/230V | L3504 / L3504-50 | TEFC / Rigid Base |
| 0.75 HP | 1750 RPM (4P) | 56 | 115/230V | L3507 / CL3507 | TEFC / C-Face Option |
| 1 HP | 1750 RPM (4P) | 56H / 143T | 115/230V | L3510 / L3514 | TEFC / Rigid Base |
| 1.5 HP | 1750 RPM (4P) | 145T / 56H | 115/230V | L3515 / CL3515T | TEFC / C-Face Option |
| 2 HP | 1750 RPM (4P) | 182T | 115/230V | L3605T / CL3605T | TEFC / Rigid Base |
| 3 HP | 1760 RPM (4P) | 184T | 115/230V | L3608T / CL3608T | TEFC / Rigid Base |
| 5 HP | 1760 RPM (4P) | 184T / 213T | 230V | L3710T / CL3710T | TEFC Heavy Duty |
| 7.5 HP | 1760 RPM (4P) | 215T | 230V | L3713T / CL3713T | TEFC Heavy Duty |
| 10 HP - 15 HP | 1760 RPM (4P) | 215T Heavy | 230V | L3715T / L3716T | TEFC High Torque |
Baldor Legacy Single Phase Replacement & Upgrade Guide
Direct replacement guide for older standard single phase motors to current high-torque Baldor L and CL series motors:
| Legacy Motor Type | Rating & Frame | Current Baldor Single Phase Model | Key Performance & Reliability Upgrades |
|---|---|---|---|
| Standard 56 Frame 1 HP Single Phase | 1 HP 1750 RPM NEMA 56 | Baldor L3514 100% Drop-In | High starting torque CSCR design, heavy steel frame, IP54 weather sealing. |
| Standard 184T 3 HP Single Phase | 3 HP 1760 RPM 184T | Baldor L3608T 100% Drop-In | Dual capacitor design for smooth running efficiency, 115/230V terminal board. |
| Standard 184T 5 HP Single Phase | 5 HP 1760 RPM 184T | Baldor L3710T 100% Drop-In | Heavy-duty capacitor start switch for high-frequency start/stop cycles. |
| Standard Farm Duty Single Phase | 5 HP 1760 RPM 213T Farm | Baldor FDL3710T 100% Drop-In | Gasketed capacitor housing, manual reset thermal protector, high breakdown torque. |
Expert Technical Sourcing & System Integration Notes
When replacing older single phase motors on air compressors, hydraulic power units, water well pumps, or woodworking machinery, switching to current Baldor L-series single phase motors delivers immediate advantages: high starting torque under full mechanical load, reduced line voltage drop during startup, durable mechanical centrifugal switches, and complete physical interchangeability without altering mounting brackets or pulley alignment. Simply provide us with your existing motor nameplate catalog number or specification number (e.g., L3608T or 35E011W826G1), and our technical engineering team will deliver a 100% compliant replacement specification and proposal.
Core Benchmark Model Standard Configurations
- L3504 (0.5 HP 56 Frame 115/230V)
- L3507 (0.75 HP 56 Frame 115/230V)
- L3510 (1 HP 56H Frame 115/230V)
- L3514 (1 HP 143T Frame 115/230V)
- L3515 (1.5 HP 145T Frame 115/230V)
- L3605T (2 HP 182T Frame 115/230V)
- L3608T (3 HP 184T Frame 115/230V)
- L3710T (5 HP 184T Frame 230V)
- L3713T (7.5 HP 215T Frame 230V)
- CL3514 (1 HP 143TC C-Face)
- CL3608T (3 HP 184TC C-Face)
- CL3710T (5 HP 184TC C-Face)
- FDL3710T (5 HP Farm Duty)
- Baldor 56 Frame Single Phase
- Baldor 184T Single Phase Motor
- Baldor Compressor Duty Single Phase
- Baldor High Starting Torque Motor
- Baldor 115V/230V Capacitor Motor
- Baldor Manual Thermal Reset Motor
- Baldor Single Phase Hydraulic Motor
