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As a trusted supplier in the industrial automation sector since 2011, Rossonix Co., Limited is proud to offer the genuine Allen-Bradley Smart Motor Controller SMC-3 150-C19NBR. This advanced controller represents a significant leap in motor management, combining robust protection with intelligent communication capabilities. Designed for demanding industrial environments, it simplifies motor control while enhancing system reliability and providing valuable operational data. Our global logistics network, serving markets from North America to Oceania, ensures timely delivery of this critical component to keep your operations running smoothly.
The Allen-Bradley SMC-3 series is engineered to replace traditional electromechanical starters, offering a compact, feature-rich solution for motor control. The 150-C19NBR model is specifically rated for 150 Amps, making it suitable for a wide range of medium-voltage motor applications. Its primary function is to provide reliable start, stop, and protection for three-phase AC induction motors.
Core Technical Features & Advantages:
Integrated Protection: The SMC-3 eliminates the need for separate overload relays and fuses. It provides comprehensive protection against:
Overload (with Class 10, 15, 20, 30 trip classes)
Phase Loss and Imbalance
Jam/Stall Conditions
Ground Fault (optional)
Undercurrent (for pump control)
Smart Communication: Built-in communication ports support major Allen-Bradley networks, enabling seamless integration into PlantPAx or other control architectures. This allows for:
Remote start/stop commands and status monitoring.
Real-time reading of motor current, voltage, power, and energy consumption.
Diagnostic data and event logging for predictive maintenance.
Parameter configuration and firmware updates from the control room.
Advanced Control Functions: Beyond simple starting, it offers features like:
Soft Start and Soft Stop (reducing mechanical stress).
Pump Control with pre-configured curves.
Two-speed motor control capability.
Programmable logic for local control sequences.
Robust Design & Diagnostics: The controller features a rugged design with a high immunity to electrical noise. A clear LCD display provides local access to:
Motor status (Running, Stopped, Faulted).
Measured values and setpoints.
Fault history with time stamps.
I/O status for connected devices.
Key Specifications for the SMC-3 150-C19NBR:
| Parameter | Specification |
| Rated Operational Current (Ie) | 150 A |
| Rated Insulation Voltage (Ui) | 690 V AC |
| Rated Operational Voltage (Ue) | 208-600V AC, 50/60 Hz |
| Control Supply Voltage | 100-240V AC/DC (24V DC optional) |
| Communication Options | EtherNet/IP, DeviceNet, ControlNet, Serial |
| Enclosure Types Available | Open Type (as shown) or various NEMA enclosures |
| Auxiliary Contacts | Configurable, normally open/closed |
Benefits for Your Operation:
Reduced Downtime: Advanced diagnostics help identify issues before they cause failure, enabling planned maintenance.
Lower Installation Costs: Integrates multiple components (contactor, overload, protection) into one device, saving panel space and wiring time.
Energy Management: Monitor motor power and energy usage to identify inefficiencies and optimize processes.
Enhanced Safety: Comprehensive electronic protection is more precise and reliable than traditional bimetallic overloads.
Future-Proof Design: Network connectivity makes it an ideal component for Industry 4.0 and IIoT (Industrial Internet of Things) applications.
Rossonix Co., Limited supports your investment with reliable sourcing and logistics. With an annual export value in the multi-million dollar range and established offices overseas, we have the experience and network to be your dependable partner for Allen-Bradley automation products. Our operations from key ports like Shenzhen and Hong Kong facilitate efficient shipment to our main markets worldwide. Choosing the SMC-3 150-C19NBR is not just purchasing a controller; it's investing in operational intelligence, reliability, and long-term cost savings for your motor-driven systems. Contact us today to discuss how this smart motor controller can be integrated into your application and to request detailed technical documentation.
Frequently Asked Questions (FAQ)
Q1: What is the main difference between the SMC-3 and a traditional starter combination (contactor + overload relay)?
A: The SMC-3 is an integrated solid-state device that replaces both the contactor and overload relay. It provides more accurate and adjustable protection, includes advanced communication capabilities, and offers diagnostic features that traditional starters lack, all in a more compact package.
Q2: Can the SMC-3 be used for both starting and protecting a motor?
A: Absolutely. Its core function is to serve as a complete motor management unit. It performs the switching (start/stop) via its internal solid-state components and provides comprehensive electronic protection against overloads, phase issues, jams, and more.
Q3: Does it require special software for configuration?
A: Configuration can be done locally using the buttons and display on the unit. For more advanced setup or integration into a control system, Rockwell Automation's Connected Components Workbench (CCW) software is commonly used and is available from the manufacturer.
Q4: Is a heatsink required for the SMC-3 150-C19NBR?
A: Yes. At this current rating (150A), the controller generates significant heat during operation. It is designed to be mounted on a suitable external heatsink to ensure proper thermal dissipation and reliable performance. The required heatsink size depends on the specific application and ambient conditions.
Q5: Can I get motor current feedback without a separate sensor?
A: Yes, one of the key benefits. The SMC-3 has built-in current measurement. The real-time motor current value is available locally on the display and can be transmitted over its communication network to your PLC or SCADA system, eliminating the need for and cost of additional current transducers.
Q6: What happens during a power loss? Will it retain its settings?
A: The SMC-3 has non-volatile memory. All configured parameters (protection settings, control logic, communication settings) are retained in memory even when control power is removed. It will resume operation with the same settings once power is restored.
Q7: Is this unit suitable for use in harsh environments?
A: The electronic module itself is typically installed in a protected panel. However, it is designed for industrial environments with high electrical noise immunity. For installation in dusty, wet, or corrosive areas, it must be housed inside an enclosure with an appropriate Ingress Protection (IP) or NEMA rating, such as NEMA 4 or 4X, which are available options.
Q8: Can Rossonix provide technical support for integrating this controller?
A: As a trading company with over a decade of experience and a focus on industrial automation components, we provide commercial and logistical support. For deep technical integration and programming questions, we recommend consulting with a certified Rockwell Automation system integrator or referring to the official product manuals, which we can supply.
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