Baldor-Reliance Industrial DC Motors & BSM Brushless AC Servo Motors
The Baldor-Reliance Industrial DC & BSM Servo Motor Series (featured model: BSM90N-275AA Brushless Servo & CDP3445 PMDC Motor) provides specialized high-dynamic drive solutions for precision motion control, variable-speed machinery, and legacy DC drive retrofits. Baldor's **BSM N-Series & C-Series Brushless AC Servo Motors** feature high-energy Neodymium-Iron-Boron (NdFeB) magnets, low-inertia rotor designs, IP65 sealing, and custom resolver/absolute encoder options for high-acceleration packaging, printing, CNC, and robotic systems. Baldor's **Industrial DC Motors** encompass compact Permanent Magnet DC (PMDC) units (CDP / DPM Series, 1/4 HP to 5 HP) and heavy-duty Laminated Frame DC Motors (DPF / C-Face Series, up to 300 HP) designed for SCR drive power controllers. WE DRIVE HONGKONG LIMITED provides technical sourcing, exact spec number verification, feedback alignment, and full factory replacement support across the complete Baldor DC and BSM Servo catalog.
Technical Specifications
| Featured Model | BSM90N-275AA (90mm Frame, 2.75 Nm Continuous Stall Torque, 3000 RPM, Resolver, IP65, Threaded Connectors) |
|---|---|
| Brand / Manufacturer | Baldor-Reliance (ABB Motion Group) |
| Product Series | BSM Brushless Servo Series (BSM50, BSM63, BSM80, BSM90, BSM100) & Industrial PMDC / Laminated DC Motors |
| Servo Torque Range | 0.45 Nm to 40.0 Nm (4.0 lb-in to 354 lb-in Continuous Stall Torque); Peak Torques up to 3x Continuous |
| DC Power Range | 1/4 HP to 300 HP (PMDC 90V/180V Armature & Wound Field 240V/500V Armature) |
| Feedback Devices | 2-Pole Resolver, Incremental Encoder (1024-5000 PPR), Absolute EnDat / BiSS / Hiperface Encoders |
| Enclosure & Protection | IP65 Standard for BSM Servos (IP67 Optional); TEFC & TENV for PMDC; DPF / C-Face for Laminated DC Motors |
| Insulation & Thermal | Class H Insulation System Standard; Internal PTC Thermistors / KTY84 Temperature Sensors |
Documentation & Resources
Baldor-Reliance BSM Servo Motor & Industrial DC Motor Selection Matrix
Full selection matrix for Baldor BSM brushless AC servo motors and industrial PMDC motors. Review frame sizes, torque outputs, rated speeds, and feedback configurations:
| Motor Series & Frame | Cont. Stall Torque / HP | Rated Speed (RPM) | Armature / Bus Voltage | Feedback & Brake Options | Standard Model Code |
|---|---|---|---|---|---|
| BSM50 Series (50mm) | 0.45 Nm - 1.2 Nm | 4000 - 6000 RPM | 160V / 300V / 600V DC Bus | Resolver / Encoder / 24V Brake | BSM50N-175AA |
| BSM63 Series (63mm) | 1.1 Nm - 3.2 Nm | 3000 - 6000 RPM | 160V / 300V / 600V DC Bus | Resolver / Encoder / 24V Brake | BSM63N-275AA |
| BSM80 Series (80mm) | 2.4 Nm - 7.5 Nm | 3000 - 4500 RPM | 300V / 600V DC Bus | Resolver / Absolute Encoder | BSM80N-275AA |
| BSM90 Series (90mm) | 2.75 Nm - 11.5 Nm | 3000 - 4500 RPM | 300V / 600V DC Bus | Resolver / Absolute Encoder | BSM90N-275AA |
| BSM100 Series (100mm) | 10.0 Nm - 40.0 Nm | 2000 - 3000 RPM | 300V / 600V DC Bus | Resolver / Absolute Encoder | BSM100N-275AA |
| PMDC CDP Series | 1/2 HP - 5.0 HP | 1750 - 2500 RPM | 90V / 180V DC Armature | Tachometer Mount / Foot | CDP3445 / CDP3585 |
| Laminated DC Frame | 5.0 HP - 300 HP | 1150 - 1750 RPM | 240V / 500V DC Armature | Blower Cooled / Tachometer | D1810P / D2510P |
Baldor Legacy Servo & DC Motor Replacement & Upgrade Guide
Exact upgrade paths for older Baldor DC motors and legacy servo series to current generation Baldor BSM and CDP products:
| Legacy Baldor Motor Series | Rating & Frame | Current Baldor Replacement Model | Key Upgrades & Operational Advantages |
|---|---|---|---|
| Legacy Baldor BSM C-Series Servo | 1.2 Nm 3000 RPM (BSM63) | Baldor BSM63N-175AA Direct Upgrade | Higher energy NdFeB magnets, lower thermal resistance, enhanced IP65 sealing. |
| Legacy Baldor PMDC Motor (Standard) | 1 HP 90V DC NEMA 56C | Baldor CDP3445 100% Drop-In | Heavy-duty NEMA 56C flange, high starting torque, field replaceable brushes. |
| Legacy Baldor Wound Field DC Motor | 15 HP 240V DC Laminated | Baldor D1810P 100% Drop-In | Laminated frame for SCR drive operation, enhanced commutator bar life. |
| Legacy Baldor Stainless Servo | 2.75 Nm IP67 Stainless | Baldor SSBSM80N-275AA Direct Replacement | 304 stainless steel housing, IP67/IP69K rating for washdown motion control. |
Expert Technical Sourcing & Motion Control Notes
When retrofitting older Baldor DC motor lines or replacing legacy Baldor servo motors on CNC machine tools, automated packaging equipment, or printing presses, utilizing exact spec numbers guarantees 100% mechanical flange interchangeability, shaft dimensions, and resolver/encoder feedback alignment. Simply supply us with your existing motor nameplate serial number, catalog number, or spec code (e.g., BSM90N-275AA, 36E011W826G1, or CDP3445), and our motion control engineering team will deliver a 100% compliant replacement specification and competitive price proposal.
Core Benchmark Model Standard Configurations
- BSM50N-175AA (0.45 Nm Servo)
- BSM63N-175AA (1.2 Nm Servo)
- BSM63N-275AA (2.4 Nm Servo)
- BSM80N-175AA (2.4 Nm Servo)
- BSM80N-275AA (4.8 Nm Servo)
- BSM90N-175AA (5.5 Nm Servo)
- BSM90N-275AA (8.5 Nm Servo)
- BSM100N-175AA (12.0 Nm Servo)
- BSM100N-275AA (22.0 Nm Servo)
- CDP3330 (1/2 HP 90V DC PMDC)
- CDP3445 (1 HP 90V DC PMDC)
- CDP3585 (2 HP 180V DC PMDC)
- SSBSM80N Stainless Servo Motor
- Baldor BSM Servo with 24V Brake
- Baldor BSM Servo with Absolute Encoder
- Baldor Laminated DC D1810P Motor
- Baldor NEMA C-Face DC Motor
- Baldor High Torque Servo Resolver
- Baldor DPM Permanent Magnet DC
- Baldor SCR Drive Duty DC Motor
