About ALLEN BRADLEY 140U-Q3X3 600A 3POLE MCCB

ALLEN BRADLEY 140U-Q3X3 600A 3POLE MCCB

The 140U-Q3X3 circuit breaker is a circuit breaker frame with a Q-frame enclosure. The maximum current rating for the Q-frame circuit breaker is 600 Amps. Different trip units can be installed on the 140U-Q3X3 circuit breaker depending on customer requirements.

Versatile and Reliable Circuit Protection

Engineered for high performance, the 140U-Q3X3 MCCB delivers outstanding circuit protection for commercial and industrial applications. Its fixed thermal-magnetic trip ensures precise response to both overloads and short circuits. The breaker manages high fault currents effectively, making it suitable for demanding environments.


Flexible Installation and Robust Design

With a Q Frame size and compatibility for vertical or horizontal mounting, this MCCB seamlessly integrates into any panel layout. The screw-type terminals facilitate secure wiring, and its IP20 rating guards internal components against dust and foreign objects.


Built for Harsh Conditions and Long Life

Operating reliably across temperatures from -25C to +70C and enduring ambient storage down to -40C, the breaker is tailored for rugged use. Its mechanical life of up to 10,000 operations ensures durability, reducing maintenance and operational downtime.