Westinghouse MAM3800 Circuit Breaker, 800A, 3-Pole

Westinghouse MAM3800 800A 3‑Pole Circuit Breaker is built for industrial electrical service, maintenance, and replacement projects. This three‑phase breaker delivers robust overcurrent protection for demanding equipment and distribution feeders, helping keep downtime to a minimum and safety standards high.

Key specifications

• Manufacturer: Westinghouse
• Part Number: MAM3800
• Product Type: Circuit Breaker
• Amperage: 800 A
• Poles: 3

Compatibility notes: Verify fit by part number and application requirements. If you’re unsure whether MAM3800 matches your equipment, send a message and we’ll help confirm compatibility and suggest the best installation approach.

Why choose the MAM3800 for your operation

• Designed for industrial environments where reliability matters—heavy‑duty construction that stands up to constant cycling and voltage fluctuations.
• Three‑pole (three‑phase) configuration ensures synchronized protection for all phases in your distribution system.
• High‑current capacity (800 A) suitable for large feeders and demanding loads common in manufacturing floors and service centers.
• Straightforward compatibility checks via the part number; reduces guesswork when sourcing replacements or upgrades.
• Easy, professional replacement option for service upgrades, maintenance outages, or panel refresh projects.

Ideal use cases

• Industrial electrical service upgrades and panel refreshes
• Maintenance outages and during‑breaker replacements in three‑phase systems
• Protection for large feeders, motors, and heavy equipment in manufacturing facilities
• Replacement projects where reliability and fast compatibility verification are priorities

Need help matching a part number or confirming compatibility with your installation? Message us and our team will assist you in selecting the right Westinghouse breaker for your application.