Westinghouse | 46A8101G20 | Circuit Breaker | 175A | 3-Pole | 600V

Meet the Westinghouse 46A8101G20 Circuit Breaker — a rugged, 3-pole device built to handle demanding 3-phase circuits with a 175A rating and a 600V maximum. It’s the reliable choice for maintenance, retrofit, and replacement projects where exact specifications matter, helping you keep industrial and commercial electrical systems safe and uninterrupted.

Designed for compatibility with existing Westinghouse installations, this breaker is identified by part number 46A8101G20. Using the correct part number is the simplest way to verify fit and ratings, ensuring dependable performance in your panel or distribution system.

Key specifications

• Amperage: 175A
• Poles: 3-Pole
• Voltage: 600V
• Part reference: 46A8101G20

Ideal use cases

• Maintenance projects where a direct replacement matches existing panels and feeders
• Retrofit upgrades that require preserving 3-phase protection without altering electrical architecture
• Replacement parts for aging Westinghouse installations to maintain system reliability

Why this matters for your project

Choosing the exact 46A8101G20 ensures your circuit protection aligns with your system’s design, preventing mismatches that could lead to nuisance trips or compatibility issues. The 3-pole design provides coordinated protection across all three phases, which is critical for balanced loads and safe operation in 600V environments.

How to ensure a correct fit

Before ordering, confirm that your equipment and panel are rated for 600V and designed for 3-pole, 175A protection. The part number is the most dependable reference for compatibility, so keep 46A8101G20 on hand when checking schematics, panel labeling, or service manuals.

Installation and practical tips

• Work with the main power fully de-energized and follow all local electrical codes during replacement or retrofit
• Double-check bus compatibility and mounting style to ensure secure installation and reliable tripping behavior
• Store spares in a dry, clean environment to avoid corrosion or contamination that could affect performance

For projects requiring durable, field-proven protection in 600V, three-phase systems, the Westinghouse 46A8101G20 Circuit Breaker delivers consistent, dependable performance. Use the part number as your compatibility guide, and plan replacements or retrofits with confidence.