Rockwell  140M-D8E-B63 140M-D8E-B63 Motor Protection Circuit Breaker

The  Rockwell   140M-D8E-B63 is a compact yet robust motor protection circuit breaker designed for industrial environments where reliability and precision are non-negotiable. It’s typically used in applications requiring dependable overload and short-circuit protection for motors up to 63A.

Key Features

• Adjustable Thermal and Magnetic Trip Settings: Allows fine-tuning to match the specific requirements of your motor load, ensuring optimal performance without nuisance tripping.
• Compact Design: Saves valuable panel space while maintaining high performance, making it ideal for densely packed control cabinets.
• Wide Operating Temperature Range: Performs reliably in harsh conditions, from -25°C to 60°C, which seems to be a common challenge in many industrial settings.
• Integrated Auxiliary Contacts: Simplifies wiring and monitoring by providing status feedback directly to your control system.
• Easy Installation: DIN rail or panel mounting options streamline setup, reducing downtime during installation or replacement.

Technical Specifications

Application Fields

This model is widely utilized across industries such as manufacturing plants, HVAC systems, water treatment facilities, and material handling equipment. From my experience, customers often choose this breaker for its ability to handle both standard and heavy-duty motor loads with minimal adjustments. One thing I appreciate is how well it integrates into existing setups without requiring extensive reconfiguration.

Advantages & Value

Procurement teams tend to favor the 140M-D8E-B63 due to its balance of cost-effectiveness and durability. In most cases, you’ll find that compatibility with other Allen-Bradley products simplifies integration within Rockwell Automation ecosystems. Additionally, its long service life reduces maintenance costs over time, offering significant savings compared to cheaper alternatives. Technical support availability further enhances peace of mind when deploying critical systems.

Installation & Maintenance

For proper installation, ensure adequate ventilation around the unit to prevent overheating. Wiring should comply with local electrical codes, and connections must be securely tightened to avoid loose contacts. Routine maintenance includes periodic calibration checks and cleaning dust or debris from the enclosure. Firmware updates aren’t applicable here since it operates purely on mechanical principles, but keeping auxiliary components like contactors in good condition will extend overall system longevity.

Quality & Certifications

The 140M-D8E-B63 holds certifications such as CE, UL, and RoHS compliance, guaranteeing adherence to international safety and environmental standards. The manufacturer offers a standard warranty period of 365 days, covering defects in materials and workmanship under normal use conditions. If issues arise, our team ensures prompt resolution through expedited shipping methods like FedEx, UPS, or DHL.