Westinghouse | HKB3175 | Circuit Breaker | 175A | 3-Pole | 600V

Meet the Westinghouse HKB3175 circuit breaker — a purpose-built, 3-pole device designed to safeguard demanding electrical systems with precise 175A overcurrent protection at 600V. Built for maintenance, retrofit, and replacement projects, this breaker helps you restore reliable protection quickly while keeping your panel aligned with manufacturer specs.

Key specifications

• Amperage: 175A
• Poles: 3-Pole
• Voltage rating: 600V
• Part number: HKB3175

Why this breaker stands out

• Exact-fit compatibility for panels and enclosures requiring a 3-pole, 175A, 600V device. Use the part number HKB3175 as the primary reference to confirm suitability.
• Reliable overcurrent protection designed to guard mid- to high-current circuits, helping minimize damage from overloads and short circuits.
• Streamlined retrofit and replacement workflow with a consistent Westinghouse form factor, reducing downtime and ensuring consistent protection across existing installations.

Fit, compatibility, and installation tips

• Confirm fit and ratings before ordering. The HKB3175 model is intended to match specific equipment and panel configurations; verify against your panel labeling and service documentation.
• Check for matching trip characteristics and conductor sizing in your electrical system to ensure correct operation under fault conditions.
• Follow all local electrical codes and safety practices during installation, including proper lockout/tagout procedures and personal protective equipment.

Ideal use cases

• Retrofit projects where a 3-pole, 175A breaker is required for 600V circuits in commercial or industrial panels.
• Maintenance replacements to restore original protection levels after wear or end of life of existing breakers.
• Panel upgrades or reconfigurations that demand a reliable, compatible Westinghouse breaker to maintain consistent protection across circuits.

Practical tips for best results

• Maintain a quick-reference list of compatible part numbers for your panels to speed future replacements and prevent mismatches.
• Store spare breakers in a clean, dry environment to protect terminals and contacts from corrosion or damage.