A-B 140M-D8N-B63 Motor Protection Circuit-Breaker | Reliable Circuit Protection
This advanced motor protection circuit breaker from Rockwell Automation’s A-B series is designed to safeguard motors from overloads and short circuits. Ideal for industrial environments, it ensures efficient operation and safety by providing reliable protection against electrical faults.
Manufacturer:A-B
Model:140M-D8N-B63
Type:Motor Protection Circuit-Breaker
Rated Current:Up to 800A
Protection Class:Class 10
Trip Characteristics:Long time, short time, instantaneous
Operating Voltage:230V – 690V AC
Connection Type:Screw Terminal
Ingress Protection Rating:IP65
Dimensions:140mm x 80mm x 63mm (LxWxH)
Weight:2.5kg
The A-B 140M-D8N-B63 Motor Protection Circuit-Breaker is meticulously engineered to provide robust protection for your electric motors against various faults including overloads and short circuits. Designed for industrial applications, it ensures optimal performance and safety.
This breaker is rated up to 800A, making it suitable for heavy-duty applications where reliability is critical. Its Class 10 trip characteristics allow for accurate and fast response to electrical anomalies, preventing potential damage to connected equipment.
With an ingress protection rating of IP65, the circuit-breaker is dust-tight and protected against water jets, making it ideal for use in harsh industrial environments. Its compact design (140mm x 80mm x 63mm) and lightweight (2.5kg) make it easy to install and maintain.
The A-B 140M-D8N-B63 features screw terminal connections, providing secure and reliable connections to your motor system. The operating voltage range of 230V – 690V AC ensures compatibility with a wide variety of industrial power systems.
Installation is straightforward, thanks to its user-friendly design and clear markings. Regular maintenance and inspections are simplified by its accessible design, allowing for quick identification and resolution of any issues.












There are no reviews yet.