The Allen-Bradley 140-CMN-9000 Motor Protection Circuit Breaker is an essential device for providing reliable isolation, short-circuit, and overload protection. Designed for panel or DIN rail mounting, this circuit breaker offers an adjustable trip setting from 63 to 90 Amperes, easily modified via a front-panel precision screwdriver adjustment. Featuring a robust construction with a mechanical lifespan of up to 30,000 operations and an electrical lifespan of 5,000 operations, it effectively caters to diverse industrial applications with a maximum switching frequency of 20 operations per hour. Its short circuit capacities range across various voltages, ensuring comprehensive protection while supporting main disconnection switch installation for enhanced safety. Accessories like auxiliary contacts and shunt trip attachments further enhance its adaptability, making it a versatile choice for motor branch circuits.
Technical specifications for 140-CMN-9000
Brand
Allen-Bradley / Rockwell Automation
Series
140M Circuit Breakers
Manufacturer
Rockwell Automation
Part Number
140-CMN-9000
Brand
Allen-Bradley
Rated Operational Current, Ie
90 A
Part Number/Catalog No.
140-CMN-9000
Rated Insulation Voltage Ui
690 V
Series
Motor Protection Circuit Breaker
Rated Frequency
40...60 Hz
Compatible Applications
Disconnect for Motor Branch Circuit, Branch-Circuit, Short- Circuit Protection (Magnetic Protection), Overload Protection (Thermal Protection) and Switching (Manual)