Westinghouse | MA3800 | Circuit Breaker | 3-Pole

Westinghouse MA3800 is a 3-Pole circuit breaker designed for three-phase electrical systems, delivering dependable protection for maintenance, retrofit, and replacement projects. With exacting compatibility in mind, this device relies on the MA3800 part number as the primary reference to ensure a seamless fit in your panel or equipment when matching specifications is essential.

What makes the MA3800 stand out

• Three-pole protection tailored for balanced safeguarding of three-phase circuits, helping prevent uneven load and potential equipment damage.
• Reliable replacement option that adheres to Westinghouse performance standards, providing consistent trip characteristics and electrical behavior.
• Retrofit-friendly design supports upgrades and modernization of older panels without extensive rewiring or compatibility concerns.
• Clear compatibility reference use of the MA3800 part number to minimize ordering guesswork and mismatches.

Ideal use cases

Best suited for industrial and commercial environments where three-phase power drives motors, transformers, or processing equipment. Ideal scenarios include:

• Panel maintenance and component replacement in existing three-phase installations
• Retrofits that require a precise match to original protective characteristics
• Upgrading aging electrical infrastructure while maintaining system reliability

Installation and compatibility notes

• Before ordering, confirm fit and ratings to ensure compatibility with your specific panel or equipment.
• Rely on the MA3800 as the best compatibility reference when selecting a replacement circuit breaker in Westinghouse systems.
• Follow standard safety practices—de-energize equipment, apply lockout/tagout procedures, and consult a licensed electrician for any installation concerns.

The Westinghouse MA3800 3-Pole Circuit Breaker offers a practical, reliable solution for protecting three-phase electrical systems. Whether you’re maintaining a legacy setup, retrofitting to modern components, or stocking spare parts for future maintenance, this 3-Pole breaker helps you keep power systems safe, compliant, and ready to perform.