Westinghouse | MCA3500 | Circuit Breaker | 500A | 600V | Bolt-On

Meet the Westinghouse MCA3500 Circuit Breaker — a purpose-built 500A, 600V bolt-on solution designed for reliable protection and straightforward replacement in compatible panels. Whether you're performing routine maintenance, retrofitting aging equipment, or swapping in a like-for-like replacement, this MCA3500 is tailored to keep critical electrical systems protected and running smoothly.

Key specifications

• Amperage rating: 500A
• Voltage rating: 600V
• Mounting style: Bolt-On

Designed for seamless integration with Westinghouse panels that accept a bolt-on breaker in this class, the MCA3500 offers secure mounting and a dependable form factor that minimizes installation surprises. The bolt-on design enables a straightforward swap in service or retrofit projects, reducing downtime during maintenance windows and keeping systems online when it matters most.

For accuracy and peace of mind, use the part number MCA3500 as your compatibility reference when sourcing replacements or spare components. This exact-match identification helps ensure the breaker will seat correctly and operate within its rated specifications.

Ideal use cases

• Maintenance and service for Westinghouse panels requiring a 500A, 600V bolt-on breaker
• Retrofit projects that modernize protection schemes without altering the panel enclosure
• Replacement of failed or worn breakers to maintain proper overcurrent protection in compatible equipment

Installation and compatibility tips

Before ordering, verify that your panel supports a bolt-on MCA3500 and that the 500A, 600V ratings align with your system requirements. Refer to the Westinghouse part number MCA3500 as the definitive compatibility reference. The bolt-on design streamlines installation and helps preserve the physical and electrical integrity of existing installations, reducing the risk of mismatches or fit issues.

Who should consider the MCA3500

Facilities and maintenance teams managing Westinghouse electrical infrastructures, electricians performing routine replacements, and retrofit projects aiming for reliable, compatible protection in 500A circuits will find this breaker a precise fit. It’s a tangible, dependable upgrade path that supports ongoing safety and system uptime.

Choosing the MCA3500 means selecting a component designed to align with your existing equipment, helping protect circuits, minimize downtime, and maintain compliant electrical protection in your installation.