Crane Duty Brake Motor
| Specification | Details |
|---|---|
| Company Name | AMIT ELECTRICALS |
| Product Name | Crane Duty Brake Motor |
| Brake Type | Fail Safe Brake (When power off shaft lock), ensures quick braking action during power supply failure, providing equal braking torque in both directions of rotation. |
| Production Range | 0.25 to 30 HP (0.18 to 22 KW), Frame: 63 to 180L, Poles: 2, 4, 6, 8, 10, 12 |
| Mounting Type | Foot (B3), Flange (B5), Face (B14) |
| Frame Material | Rugged cast iron frame with integral feet. Aluminum body available up to 100L frame upon request. |
| Insulation | Class F insulation as standard. Class H available on request. |
| Ratings | Intermittent periodic duty (S3) Intermittent duty with starting duty (S4) Intermittent duty with starting & electrical braking (S5) |
| Voltage and Frequency | 415 ± 5%, 50 Hz ± 3%. Custom voltages: 220, 380, 460, 525 volts; 50 or 60 Hz available upon request. |
| Protection | Standard IP44 (per IS:4691). Optional IP54 or IP55 available upon request. |
| Shaft and Rotor | Shafts: En-8 or En-9 material Rotor: High-pressure E.C. grade aluminum die-cast, dynamically balanced for reduced vibration and noise. |
| Bearings and Lubrication | C3 ball bearings with lithium-based grease (high temp up to 150°C). Fully charged at assembly. |
| Thermal Overload Protection | Optional T.O.P switch for overload protection. |
| Terminal Box | Top position terminal box for foot-mounted (B3) motors. Left or right positions available upon request. |
| Earthing Terminals | Minimum two terminals: one in the terminal box and one on the motor foot. |
| Applications | Lifting machinery, textile machinery, geared motors, cable reeling drums, rolling mills, machine tools, and more. |
| Features | High efficiency Noise-free Vibration-free Low running cost Durable Smooth finishing Cost-effective Precision design |
Crane Duty Brake Rectifier Motor – Built for Lifting Precision & Industrial Strength
What Is a Crane Duty Brake Rectifier Motor?
A crane duty brake rectifier motor is a specialized electric motor designed for frequent starts, stops, and reversals—ideal for cranes, hoists, elevators, and material-handling equipment. Integrated with a brake and rectifier system, these motors deliver high starting torque, quick braking response, and reliable performance in heavy-duty operations.
At Atlas Electrical, we engineer our crane duty motors to endure rigorous industrial applications while ensuring smooth, safe, and precise control.
Key Features of Crane Duty Brake Rectifier Motors
1. High Starting Torque
These motors are built to deliver powerful torque during startup, essential for lifting and lowering heavy loads safely and efficiently.
2. Integrated Brake System
Fitted with an electromagnetic brake, the motor ensures fast and secure stopping—crucial for material handling operations where safety is paramount.
3. Rectifier-Enabled Control
A built-in rectifier allows smooth DC control of the brake using AC supply, reducing complexity and improving braking performance.
4. Duty Cycle Compatibility
Crane duty motors are rated for intermittent duty cycles (S3/S4/S5), making them ideal for operations involving frequent start-stop commands under load.
Benefits of Using Crane Duty Brake Rectifier Motors
1. Enhanced Safety
Integrated braking systems ensure rapid load holding during power failures or emergency stops, minimizing risk in lifting operations.
2. Reliable in Demanding Environments
Designed to withstand high mechanical stress, vibration, and thermal conditions common in industrial environments such as steel plants, shipyards, and construction zones.
3. Energy-Efficient Operation
Built with high-grade laminations and low-loss core materials to reduce heat and energy consumption, boosting long-term operational efficiency.
4. Low Maintenance
Sealed bearings, rugged enclosures, and dust-proof construction reduce wear and tear, requiring less frequent service and lowering ownership costs.
Applications of Crane Duty Brake Rectifier Motors
These motors are purpose-built for material handling equipment and lifting systems, including:
- EOT (Electric Overhead Traveling) Cranes
- Winches and Hoists
- Goods Lifts and Elevators
- Transfer Trolleys
- Steel and Foundry Industry Equipment
- Construction and Shipbuilding Machinery
With frequent start-stop cycles and load handling demands, crane duty brake motors are essential for ensuring safety and control in these applications.
Selection Guide: Choosing the Right Crane Duty Motor
Power Rating & Load Requirements
Available in a range of horsepower (HP) ratings, select a motor based on the weight and frequency of load handling.
Brake Type and Voltage
Choose between DC brakes and AC rectifier-controlled DC brakes, depending on your control panel configuration and application precision needs.
Mounting Configuration
Motors are available in foot-mounted, flange-mounted, or customized configurations to suit your machinery.
Duty Cycle and Insulation Class
Make sure to select a motor with the correct duty cycle (S3, S4, S5) and thermal insulation class (F or H) for your load type and operating environment.
Why Choose Atlas Electrical’s Crane Duty Brake Rectifier Motors?
At Atlas Electrical, we offer high-performance crane duty brake rectifier motors designed with precision engineering and rugged construction. Our motors are:
- ISI-marked and industry-compliant
- Equipped with high-response braking systems
- Built for durability in industrial environments
- Customizable to meet specific application needs
- Backed by expert support and service
Whether you need motors for EOT cranes, hoists, or heavy-duty winches, we deliver solutions that prioritize safety, efficiency, and longevity.
Conclusion
A crane duty brake rectifier motor is not just a power unit—it’s a safety-critical component for industrial material handling. With Atlas Electrical’s robust and reliable motors, you can ensure precision control, safe lifting, and long-term operational efficiency for your facility.