BALDOR 34-6220-3674 Motor 56C 1/2HP 1750RPM 90V-DC

( Brand: Baldor ), ( Manufacturer Part Number: 34-6220-3674 ), ( Part Type: Motor ), ( Frame: 56c ), ( Power: 1/2 Hp ), ( Rpm: 1750 Rpm ), ( Voltage: 90 V-dc ), ( Reference Sku: 1748391 ), ( Product Condition: Used Excellent )

Review BALDOR Dc Motor 56c 1/2hp 1750rpm

The **Baldor 34-6220-3674** is a precision-engineered, high-performance **1/2 horsepower (0.373 kW) permanent magnet DC motor** designed for demanding industrial, commercial, and automation applications where reliability, efficiency, and compact form factor are critical. Operating at a nominal speed of **1750 RPM** under no-load conditions, this motor delivers consistent torque output while maintaining a robust **90-volt DC** voltage rating, making it ideal for systems requiring precise speed control, such as conveyor belts, pumps, HVAC components, medical equipment, or automated machinery. Its **56C frame size** strikes a balance between space efficiency and power output, allowing for integration into tight installations without sacrificing performance. Built with Baldor s reputation for durability, this motor features a **permanent magnet rotor**, eliminating the need for brushes or commutator maintenance, which reduces wear, extends operational lifespan, and minimizes downtime. The sealed construction ensures protection against dust, moisture, and contaminants, making it suitable for both cleanroom environments and rugged industrial settings. With a **Class B insulation system**, it operates reliably within a temperature range of -20 C to 80 C, ensuring stable performance across varying thermal conditions. Whether used in a precision manufacturing line, a renewable energy system, or a compact automation setup, the **34-6220-3674** combines Baldor s engineering excellence with versatility, providing a dependable power solution for applications where efficiency and longevity are non-negotiable.

### **Baldor 34-6220-3674 Motor Overview**

This is a **1/2 HP, 1750 RPM, 90V DC permanent magnet (PM) motor** from Baldor (now part of ABB). Below is a detailed analysis of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of buying a Baldor 34-6220-3674 Motor**

1. **Reliability and Brand Reputation**

Baldor (now ABB) is a well-established manufacturer with a strong reputation for industrial motors. Their products are known for durability, especially in applications requiring consistent performance under varying loads.

2. **Permanent Magnet (PM) Design**

- The motor uses a **permanent magnet rotor**, which eliminates the need for brushes or commutators, reducing maintenance and wear over time.

- PM motors typically offer **higher efficiency** compared to wound rotor or induction motors of similar power ratings.

- They provide **better torque at low speeds** and **immediate response**, making them suitable for precise control applications.

3. **Compact and Lightweight**

- At **1/2 HP**, this motor is relatively small and lightweight for its power output, making it ideal for applications where space is limited (e.g., robotics, small machinery, or portable equipment).

- The **1750 RPM** speed is standard for many industrial and commercial applications, offering a balance between torque and speed.

4. **Low Voltage (90V DC) Compatibility**

- The **90V DC** rating makes it suitable for systems where higher voltages (e.g., 110V, 220V) are impractical or unsafe.

- It can be used in **battery-powered or low-voltage DC systems**, such as electric vehicles, small CNC machines, or automated equipment.

5. **Ease of Integration with Control Systems**

- DC motors like this one are **easily controllable** using variable speed drives (VSDs), PWM controllers, or simple potentiometers.

- They can be paired with **encoders or tachometers** for precise speed and position feedback, making them versatile for automation.

6. **Long Lifespan with Proper Maintenance**

- Since it lacks brushes, the motor has **fewer failure points** compared to brushed DC motors.

- With adequate cooling and load management, it can operate for **thousands of hours** without major issues.

7. **Availability of Replacement Parts**

- Baldor/ABB has a wide distribution network, so **replacement parts, bearings, and seals** are relatively easy to source.

- The motor s design is **standardized**, meaning compatibility with common industrial components is high.

8. **Cost-Effective for Mid-Range Applications**

- While not the cheapest motor on the market, its **balance of performance, reliability, and cost** makes it a practical choice for many industrial and commercial uses.

- It is often more affordable than high-end servo motors while still delivering good performance.

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### **Cons of buying a Baldor 34-6220-3674 Motor**

1. **Limited Power Output for Some Applications**

- At **1/2 HP**, this motor may be **underpowered** for heavy-duty applications requiring continuous high torque (e.g., large conveyors, high-load pumps, or industrial mixers).

- For applications needing **higher speeds or torque**, a larger motor (e.g., 1 HP or more) would be more appropriate.

2. **Sensitivity to Overloading**

- Like all DC motors, it can **overheat if subjected to sustained overloads**, leading to reduced lifespan or failure.

- Requires **proper current limiting** in the control circuit to prevent damage.

3. **Dependence on Voltage Stability**

- DC motors are **sensitive to voltage fluctuations**. If the power supply is unstable (e.g., in some battery-operated systems), performance may degrade.

- A **voltage regulator** may be necessary for optimal operation.

4. **No Built-In Overcurrent or Thermal Protection**

- Unlike some modern motors, this Baldor motor **does not come with built-in thermal protection or overload relays**.

- Users must implement **external protection mechanisms** (e.g., fuses, thermal cutoffs, or current sensors) to prevent damage.

5. **Limited Environmental Resistance (Standard Model)**

- The **standard Baldor 34 series** is typically **not NEMA/IP-rated for harsh environments** (e.g., dust, moisture, or corrosive atmospheres).

- If used in **dirty, wet, or chemically aggressive environments**, a **specialized enclosure (e.g., NEMA 4X, IP65)** may be required, adding cost.

6. **Higher Initial Cost Than Some Alternatives**

- While not excessively expensive, it may be **more costly than generic or no-name DC motors** of similar specifications.

- For budget-sensitive applications, **aftermarket or Chinese-brand motors** might be considered, though with trade-offs in reliability.

7. **Requires Proper Cooling**

- Like all motors, it generates heat during operation. **Inadequate ventilation** can lead to overheating, especially in enclosed spaces.

- May need **forced-air cooling or heat sinks** in high-load or confined applications.

8. **Compatibility with Modern Control Systems May Require Additional Components**

- While DC motors are easy to control, integrating them with **modern PLCs, microcontrollers, or advanced drives** may require **additional sensors (e.g., Hall effect sensors) or drivers** for precise control.

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### **Conclusion**

The **Baldor 34-6220-3674 (1/2 HP, 90V DC, 1750 RPM) motor** is a **well-suited choice** for applications requiring **reliable, low-maintenance, and efficiently controlled DC power**. Its **permanent magnet design, compact size, and ease of integration** make it ideal for:

- **Small industrial machinery** (e.g., conveyors, packaging equipment)

- **Automation and robotics** (e.g., CNC machines, robotic arms)

- **Low-voltage DC systems** (e.g., electric vehicles, battery-powered tools)

- **Applications needing precise speed control** (e.g., fans, pumps, actuators)

- **High-torque, heavy-duty applications** (where a larger motor would be better)

- **Extreme environments** (without additional enclosures or protection)

- **Budget-constrained projects** where reliability is less critical

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### **Recommendation**

You need a **reliable, low-maintenance 1/2 HP DC motor** for **moderate-duty applications**.

Your system requires **precise speed control** (e.g., with a VSD or PWM controller).

You are working with **90V DC power** and need a **compact, efficient solution**.

You can **implement proper cooling and protection** (e.g., thermal monitoring, current limiting).

You need **higher power (1 HP or more)** for heavy loads.

Your environment is **harsh (dusty, wet, or corrosive)** opt for a **NEMA/IP-rated motor**.

You are on a **tight budget** explore **aftermarket or brushed DC motors** (though with trade-offs in lifespan).

You require **extreme speed or torque** a **servo motor or AC induction motor** may be better.

This Baldor motor is a **strong, practical choice** for most **mid-range DC applications** where reliability and efficiency matter. With **proper installation, cooling, and protection**, it will provide **long-term, trouble-free service**. However, always **verify voltage compatibility, load requirements, and environmental conditions** before purchasing.

Details:

Motor Starters. Solenoid Coils. Solenoid Valves. Circuit Breakers.

Motor Drives. Safety and Security. Shock Absorbs.

part #: 3462203674 prices

• $176.95-$529.99

specifications oelemot:

• brand: Baldor
• mpn: 34-6220-3674
• part type: Motor
• frame: 56c
• power: 1/2 Hp
• rpm: 1750 Rpm
• voltage: 90 V-dc
• reference sku: 1748391
• product condition: Used Excellent

returns oelemot:

• paid by: Seller
• policy: Returns Accepted
• method: Money back
• time: 30 Days

offer oelemot:

• sold: 0
• availability: In Stock
• started: March 4, 2026
• best offers: True
• options: Ship-to-home
• quantity: 1

shipping oelemot:

• class: Standard, Expedited, One-day
• service: Standard, Expedited, Overnight
• type: Fixed
• cost: $0.00
• transit: 6-6 Days

payments oelemot:

• wallet: Google-pay
• credit card: Discover
• other

seller oelemot:

• # reviews: 124719
• rating: 100.0%
• city: Delta, Ohio

general oelemot:

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

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