Westinghouse | MA3800WSK | Circuit Breaker | 800A | 3-Pole

Meet the Westinghouse MA3800WSK circuit breaker—an industrial-grade protection device built for reliability in maintenance, retrofit, and replacement projects where exact specifications matter. This 800A, 3-pole unit is designed to safeguard three-phase electrical systems with precision, helping keep equipment and personnel safe while minimizing downtime.

Why this matters for your setup: the MA3800WSK combines high-current protection with a three-pole configuration, making it an ideal fit for demanding commercial and industrial panels that run on 3-phase power. Its design centers on compatibility and dependable performance, so when your system demands robust overcurrent protection, this Westinghouse unit is a trusted choice.

• Amperage: 800A, delivering strong short-circuit protection for heavy-load circuits.
• Poles: 3-Pole configuration, suitable for three-phase power distribution.
• Ideal use cases: maintenance, retrofit, and replacement where matching specs are required.
• Compatibility reference: part number MA3800WSK is the best reference for ensuring proper fit.
• Ordering note: confirm the specific fit and ratings for your panel or system before purchasing.

This Westinghouse component shines in environments like commercial facilities, industrial machinery setups, and legacy panels that still rely on trusted, high-capacity protection. By prioritizing the exact part number for compatibility, you reduce the risk of mismatches and avoid unnecessary delays in critical projects.

Practical usage tips: verify the MA3800WSK matches your panel’s labeling and manufacturer recommendations, check the surrounding bus bars and mounting footprint, and pair it with a compatible enclosure or bus system to maintain proper clearances and protection performance. For technicians and procurement teams, this part offers a straightforward path to restore, upgrade, or replace 3-phase protection without compromising system integrity.