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- Allen-Bradley
- 150-C3NBR SMC-3
- Intelligent Motor Controller
- USA
- 139.7 x 44.8 x 100 mm
- 0.86 kg
- Xiamen, China
- New & In Stock
- T/T, PayPal, Western Union
- 1 Year
- 1-3 Working Days
- DHL, UPS, TNT, FedEx and EMS.
- 24-Hour Service
- COO
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Global Logistics
We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
Brand new and original
Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
24-hour service
We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
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Product Overview
The Allen-Bradley 150-C3NBR SMC-3 Intelligent Motor Controller is a compact soft starter designed for controlled starting and stopping of three-phase industrial motors. Engineered for industrial automation and motor protection applications, this smart motor controller helps reduce mechanical stress, minimize electrical inrush current, and improve overall system reliability.
As part of the Allen-Bradley SMC-3 series, the 150-C3NBR offers reliable solid-state motor control performance in a compact and lightweight industrial design. It is suitable for industrial environments where smooth motor acceleration and dependable motor protection are essential for operational efficiency.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Allen-Bradley |
| Model | 150-C3NBR |
| Product Type | SMC-3 Intelligent Motor Controller |
| Function | Soft starting and motor protection |
| Rated Current | 3 A |
| Control Type | Solid-state motor controller |
| Voltage Range | 200–460 V AC |
| Control Voltage | 24 V AC/DC |
| Frequency | 50/60 Hz |
| Motor Starting Method | Soft start and soft stop |
| Phase Configuration | 3 Phase |
| Mounting Type | Panel mounting |
| Protection Rating | IP2X |
| Dimensions | 139.7 × 44.8 × 100 mm |
| Weight | 0.86 kg |
| Operating Environment | Industrial automation systems |
| Reliability | Continuous-duty industrial operation |
Function and Working Principle
The 150-C3NBR SMC-3 Intelligent Motor Controller operates by gradually controlling the voltage supplied to an electric motor during startup and stopping operations. Instead of applying full voltage instantly, the controller smoothly ramps voltage levels to reduce current surges and mechanical stress on motors and connected equipment.
Its solid-state control technology improves motor starting performance while helping protect industrial machinery from sudden load impacts and excessive electrical stress.
This enables:
Smooth motor starting and stopping
Reduced electrical inrush current
Improved motor protection
Lower mechanical wear on equipment
Enhanced operational stability
The controller is designed to provide reliable motor management in demanding industrial environments.
Role in Industrial Control Systems
The 150-C3NBR plays an important role in industrial motor control systems, supporting:
Soft starting applications
Industrial automation systems
Pump and fan control
Conveyor and material handling equipment
Machine protection systems
Energy-efficient motor operation
It helps improve system reliability while reducing maintenance requirements and extending motor service life.
Industrial Applications
The Allen-Bradley 150-C3NBR is widely used in:
Industrial automation systems
Pump control applications
HVAC equipment
Conveyor systems
Packaging machinery
Industrial fans and blowers
Manufacturing production equipment
It is especially suitable for light-duty motor applications requiring compact and reliable soft starting capability.
Installation and System Integration
Proper installation ensures reliable operational performance:
Mounted inside industrial control cabinets
Integrated with PLC and automation systems
Connected to three-phase motor circuits
Requires proper overload and short-circuit protection
Should follow industrial electrical installation standards
Correct installation improves long-term motor reliability and operational stability.
Compatible System Components
The 150-C3NBR typically works alongside:
Allen-Bradley PLC systems
Industrial electric motors
Motor protection relays
Circuit breakers and disconnect switches
Industrial automation controllers
Power distribution systems
These components together form a complete industrial motor control and automation solution.
Recommended Alternative Models
| Model | Type | Key Feature | Application |
|---|---|---|---|
| 150-C9NBR | SMC-3 Motor Controller | Higher current capacity | Medium motor systems |
| 150-C30NBD | Intelligent Motor Controller | Industrial soft starting | Automation equipment |
| SMC Flex Series | Soft Starter | Advanced motor control | Heavy-duty systems |
| PowerFlex Drives | Variable Frequency Drive | Speed control capability | Process automation |
| Siemens Soft Starters | Motor Controller | Compact industrial design | Motor protection |
Key Advantages
Compact and lightweight industrial design
Smooth motor starting and stopping
Reduced electrical inrush current
Improved motor and equipment protection
Suitable for industrial automation systems
Reliable solid-state motor control performance
Technical FAQs
What is the primary function of the 150-C3NBR?
It provides controlled soft starting and stopping for three-phase industrial motors.
Where is this intelligent motor controller commonly used?
It is commonly used in pumps, conveyors, fans, HVAC systems, and industrial automation equipment.
Why is soft starting important for industrial motors?
It reduces mechanical stress, lowers startup current, and helps extend equipment service life.
Conclusion
The Allen-Bradley 150-C3NBR SMC-3 Intelligent Motor Controller is a reliable and compact solution for industrial motor soft starting and protection applications. Its intelligent solid-state control technology, durable construction, and efficient motor management capabilities make it suitable for a wide range of industrial automation environments.
For engineers and maintenance professionals, it provides an effective way to improve motor performance, reduce equipment wear, and maintain stable industrial operation.